What is the difference between gastric sleeve and gastric bypass?

Gastric sleeve removes approximately 80% of the stomach, creating a banana-shaped tube. Gastric bypass (Roux-en-Y) creates a small stomach pouch and reroutes the small intestine, adding a malabsorptive component. Bypass typically produces slightly more weight loss (70-80% vs 60-70% of excess weight) and is more effective for GERD, but sleeve is simpler with fewer long-term nutritional deficiency risks.

Do I qualify for bariatric surgery?

Standard criteria include a BMI of 40 or higher, or a BMI of 35 or higher with at least one obesity-related comorbidity (diabetes, hypertension, sleep apnea). Some newer guidelines extend eligibility to BMI 30-35 with uncontrolled metabolic disease. A bariatric surgeon can determine your candidacy during a consultation, which includes reviewing your weight history and prior weight loss attempts.

How much does gastric bypass surgery cost without insurance?

Gastric bypass (Roux-en-Y) typically costs $12,000 to $20,000 cash-pay. The higher cost compared to gastric sleeve reflects the more complex surgical technique. All-inclusive cash pricing on OpenDoc covers the surgeon, anesthesia, facility, and standard post-op care, eliminating the surprise bills common with insurance-based pricing.

What is the recovery time for bariatric surgery?

Most patients return to desk work in 1 to 2 weeks and full physical activity in 4 to 6 weeks. Gastric sleeve recovery is generally faster than gastric bypass. You will follow a staged diet progression: clear liquids for 1 to 2 weeks, pureed foods for 2 weeks, soft foods for 2 weeks, then gradual return to solid foods. Most procedures are laparoscopic with 4 to 5 small incisions.

Why is cash-pay bariatric surgery sometimes cheaper than using insurance?

Insurance-based bariatric surgery often requires 3 to 12 months of supervised weight loss documentation, psychological evaluations, and prior authorization — all generating additional costs. After meeting a $3,000 to $8,000 deductible, patients still owe 20-40% coinsurance on a $30,000 to $50,000 billed charge. Cash-pay all-inclusive pricing at $9,500 to $20,000 often results in lower total out-of-pocket cost with faster access.

Do I need a referral for a bariatric surgery consultation?

No referral is needed on OpenDoc. You can book directly with a board-certified bariatric surgeon. Insurance companies typically require referrals and pre-authorization, but cash-pay patients can schedule a consultation immediately and begin their surgical journey without bureaucratic delays.

What are the long-term nutritional requirements after bariatric surgery?

All bariatric surgery patients require lifelong vitamin and mineral supplementation, including a bariatric-specific multivitamin, calcium with vitamin D, vitamin B12, and iron. Gastric bypass patients have higher supplementation needs due to the malabsorptive component. Regular lab monitoring (every 3 to 6 months in year one, then annually) is essential, costing $150 to $400 per panel on a cash-pay basis.

Specialty entry points

Bariatric Surgery

Surgical and non-surgical weight loss procedures for lasting metabolic health transformation

12 common entry points

12 visit types

$100–$25,000 estimated cash-pay pricing

Bariatric surgery is the most effective long-term treatment for severe obesity and related metabolic diseases, with patients achieving 60-80% excess weight loss within the first two years. Procedures like gastric sleeve and gastric bypass also resolve Type 2 diabetes in up to 80% of cases. OpenDoc connects patients to board-certified bariatric surgeons with all-inclusive cash pricing starting at $150 for consultations — providing price transparency that eliminates the months-long insurance pre-authorization process.

Not sure where to start? Begin with General Bariatric Surgery Evaluation and OpenDoc will keep the specialty, visit type, and price aligned before anything happens.

Cash-pay context

Why pricing transparency matters here

Bariatric surgery is one of the most difficult procedures to get approved through insurance — requiring 3 to 12 months of documented supervised weight loss, multiple specialist visits, and prior authorization that is frequently denied. Cash-pay patients skip this entire process and can schedule surgery within weeks, often at a lower total out-of-pocket cost than insurance-based care.

When you usually need this specialty

Common concerns that lead patients into Bariatric Surgery

Severe obesity (BMI 40+ or BMI 35+ with comorbidities)

Type 2 diabetes related to obesity

Obesity-related hypertension

Obstructive sleep apnea

Obesity-related joint pain and osteoarthritis

Metabolic syndrome

Obesity-related GERD and reflux

Hyperlipidemia and fatty liver disease (NAFLD)

Obesity-related depression and quality of life decline

Obesity-related infertility

Common care paths

How Bariatric Surgery is organized on OpenDoc

Initial Bariatric Surgery Consultation

Initial Bariatric Surgery Consultation is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.

Evaluation

60 min

$200 – $400

Pre-Surgical Nutritional Counseling

Pre-Surgical Nutritional Counseling is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.

Therapy

45 min

$100 – $200

Pre-Surgical Psychological Evaluation

Pre-Surgical Psychological Evaluation is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.

Evaluation

60 min

$200 – $400

Gastric Sleeve (Sleeve Gastrectomy)

Gastric Sleeve (Sleeve Gastrectomy) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.

Procedure

1 – 2 hours

$9,500 – $16,000

Gastric Bypass (Roux-en-Y)

Gastric Bypass (Roux-en-Y) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.

Procedure

2 – 3 hours

$12,000 – $20,000

Adjustable Gastric Band (Lap-Band)

Adjustable Gastric Band (Lap-Band) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.

Procedure

1 – 2 hours

$8,000 – $14,000

Common services & estimated pricing

Review common visit types, transparent cash-pay estimates, and how the care path changes before you move into provider selection.

Service	Type	Duration	Estimated price
Initial Bariatric Surgery Consultation Initial Bariatric Surgery Consultation is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.	Evaluation	60 min	$200 – $400
Pre-Surgical Nutritional Counseling Pre-Surgical Nutritional Counseling is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.	Therapy	45 min	$100 – $200
Pre-Surgical Psychological Evaluation Pre-Surgical Psychological Evaluation is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.	Evaluation	60 min	$200 – $400
Gastric Sleeve (Sleeve Gastrectomy) Gastric Sleeve (Sleeve Gastrectomy) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.	Procedure	1 – 2 hours	$9,500 – $16,000
Gastric Bypass (Roux-en-Y) Gastric Bypass (Roux-en-Y) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.	Procedure	2 – 3 hours	$12,000 – $20,000
Adjustable Gastric Band (Lap-Band) Adjustable Gastric Band (Lap-Band) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.	Procedure	1 – 2 hours	$8,000 – $14,000
Revision Bariatric Surgery Revision Bariatric Surgery is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.	Procedure	2 – 4 hours	$15,000 – $25,000
Endoscopic Sleeve Gastroplasty (ESG) Endoscopic Sleeve Gastroplasty (ESG) is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.	Procedure	1 – 2 hours	$10,000 – $15,000
Lap-Band Adjustment / Fill Lap-Band Adjustment / Fill is a procedure-oriented bariatric surgery service with transparent pricing shown before anything happens.	Procedure	15 min	$150 – $350
Post-Surgical Follow-Up Visit Post-Surgical Follow-Up Visit is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.	Evaluation	30 min	$100 – $200
Post-Surgical Nutritional Counseling Post-Surgical Nutritional Counseling is a common bariatric surgery entry point on OpenDoc with transparent pricing before booking.	Therapy	45 min	$100 – $200
Pre-Operative Lab Panel (comprehensive) Pre-Operative Lab Panel (comprehensive) is a diagnostic bariatric surgery service used to clarify the condition before treatment decisions are made.	Testing	15 min	$150 – $400

Pricing methodology: Pricing estimates are modeled from the current OpenDoc specialty taxonomy, visit archetypes, and transparent cash-pay assumptions. Posted provider pricing should be treated as the source of truth whenever it is available.

Last updated: April 8, 2026

Why subspecialty matters

Why OpenDoc separates these care paths instead of collapsing them

Focused training matters

Specialties often branch into narrower care paths. Seeing them clearly helps patients choose providers with training that actually matches the problem.

Prices match the care path

A sports medicine visit, a spine evaluation, and a tumor consult are not the same visit. OpenDoc keeps pricing attached to the path, not just the umbrella specialty.

Less guesswork before booking

Patients should understand the likely route before they see provider cards. That lowers false starts and makes the next step into provider search feel clearer.

Better provider fit

This page keeps specialty, subspecialty, common visit types, and price context aligned so users can move into provider selection with more confidence.

FAQ

Frequently asked questions

Gastric sleeve (sleeve gastrectomy) typically costs $9,500 to $16,000 cash-pay, depending on the surgeon and facility. This all-inclusive price usually covers the surgeon fee, anesthesia, facility fee, and standard post-operative follow-up. Cash-pay bariatric surgery often costs less than the combined deductible, copays, and coinsurance many insured patients pay.

Local discovery

Explore bariatric surgery by city

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Related specialties

Endocrinology

Medical management of diabetes, metabolic syndrome, and hormonal disorders related to obesity

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Clinical Psychology

Pre-surgical psychological evaluation and post-surgical behavioral support

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Functional Medicine

Nutritional optimization and metabolic support before and after surgery

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Medical Disclaimer: The information on this page is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Pricing, provider availability, and location details can vary by provider. OpenDoc is designed to surface care-path and pricing context early, but provider-level details on the next step should be treated as the source of truth.

Bariatric Surgery

Why pricing transparency matters here

Common concerns that lead patients into Bariatric Surgery

How Bariatric Surgery is organized on OpenDoc

Initial Bariatric Surgery Consultation

Pre-Surgical Nutritional Counseling

Pre-Surgical Psychological Evaluation

Gastric Sleeve (Sleeve Gastrectomy)

Gastric Bypass (Roux-en-Y)

Adjustable Gastric Band (Lap-Band)

Common services & estimated pricing

Why OpenDoc separates these care paths instead of collapsing them

Focused training matters

Prices match the care path

Less guesswork before booking

Better provider fit

Frequently asked questions

How much does gastric sleeve surgery cost without insurance?

What is the difference between gastric sleeve and gastric bypass?

Do I qualify for bariatric surgery?

How much does gastric bypass surgery cost without insurance?

What is the recovery time for bariatric surgery?

Why is cash-pay bariatric surgery sometimes cheaper than using insurance?

Do I need a referral for a bariatric surgery consultation?

What are the long-term nutritional requirements after bariatric surgery?

Explore bariatric surgery by city

Keep exploring nearby care paths

Endocrinology

Clinical Psychology

Functional Medicine