Cost of a Colonoscopy Visit
in Walnut Creek
Walnut Creek's healthcare market reflects the broader East Bay region's competitive landscape, though gastroenterology specialists remain concentrated in major medical centers. Patients in Walnut Creek pay between $85 and $539 for a Colonoscopy visit, with a median of $279. Currently, there are 0 active providers in the immediate area (0 individual practitioners, 0 group practices).
Cost Summary for Colonoscopy in Walnut Creek
Low Estimate
$85
Median
$279
High Estimate
$539
Providers
11
46% below national average
Important: These are cost estimates only — not a quote and not medical advice.
The prices on this page are self-pay rates, drawn from federal Transparency in Coverage machine-readable files (CPT 45378 — Diagnostic colonoscopy, flexible). They represent what a patient might pay without insurance.
Your actual cost depends on: your specific insurance plan, your remaining deductible, your coinsurance percentage, whether you have met your out-of-pocket maximum, whether the facility and provider are both in-network, and any separate anesthesia or implant fees billed independently.
This page does not constitute medical advice. Whether you need this procedure, and which approach is right for you, is a decision to make with a licensed healthcare provider.
Where this data comes from & what CPT 45378 covers
Data source: Cost figures are derived from UnitedHealthcare Transparency in Coverage machine-readable files for CPT code 45378 (Diagnostic colonoscopy, flexible), as mandated by the CMS Price Transparency Rule.
What CPT 45378 covers: the provider's professional fee for colonoscopy. It does not include facility/hospital fees, anesthesia, pre-operative imaging, post-operative care, or any add-on codes billed separately.
Colonoscopy Visit Costs by City in California — 2026
| City | Min Cost | Median Cost | Max Cost |
|---|---|---|---|
| Travis Afb | $90 | $689 | $1,772 |
| Santa Barbara | $85 | $647 | $647 |
| Lompoc | $85 | $647 | $647 |
| Stanford | $85 | $410 | $1,830 |
| Oakland | $85 | $396 | $1,830 |
| South Lake Tahoe | $264 | $391 | $479 |
| Palo Alto | $85 | $355 | $1,556 |
| Fresno | $85 | $340 | $1,395 |
| West Hollywood | $85 | $291 | $647 |
| San Jose | $85 | $282 | $289 |
| Mountain View | $141 | $282 | $282 |
| Los Gatos | $90 | $282 | $462 |
| Campbell | $85 | $282 | $282 |
| Fremont | $85 | $282 | $282 |
| Santa Clara | $80 | $282 | $796 |
| Milpitas | $282 | $282 | $282 |
| Morgan Hill | $251 | $282 | $378 |
| Salinas | $80 | $282 | $812 |
| Walnut Creek (this city) | $85 | $279 | $539 |
| San Diego | $85 | $270 | $768 |
| Chula Vista | $270 | $270 | $291 |
| La Jolla | $85 | $270 | $768 |
| Vista | $85 | $270 | $270 |
| La Mesa | $270 | $270 | $270 |
| Oceanside | $270 | $270 | $633 |
| Encinitas | $270 | $270 | $542 |
| National City | $270 | $270 | $937 |
| Carlsbad | $112 | $270 | $662 |
| San Marcos | $270 | $270 | $369 |
| San Francisco | $85 | $265 | $1,830 |
| Santa Rosa | $90 | $261 | $846 |
| Loma Linda | $80 | $259 | $1,140 |
| Napa | $146 | $259 | $646 |
| Irvine | $85 | $246 | $453 |
| Orange | $85 | $209 | $1,772 |
| Arcadia | $85 | $204 | $1,117 |
| Sacramento | $85 | $203 | $860 |
| Bakersfield | $85 | $159 | $548 |
| Glendale | $85 | $159 | $545 |
| Ukiah | $159 | $159 | $337 |
| Lodi | $148 | $159 | $377 |
| Yuba City | $129 | $159 | $257 |
| Saint Helena | $159 | $159 | $334 |
| Hanford | $150 | $159 | $401 |
| Stockton | $85 | $159 | $1,240 |
| Marysville | $159 | $159 | $408 |
| Visalia | $85 | $159 | $321 |
| Santa Cruz | $85 | $159 | $479 |
| Willits | $159 | $159 | $159 |
| Riverside | $85 | $90 | $445 |
| Los Angeles | $85 | $85 | $282 |
| Santa Monica | $85 | $85 | $146 |
| Torrance | $85 | $85 | $299 |
| Burbank | $85 | $85 | $85 |
| Beverly Hills | $85 | $85 | $600 |
| Thousand Oaks | $85 | $85 | $362 |
| Valencia | $85 | $85 | $191 |
| Pasadena | $85 | $85 | $556 |
| Van Nuys | $85 | $85 | $85 |
| Long Beach | $85 | $85 | $1,772 |
| Ventura | $85 | $85 | $647 |
| Encino | $85 | $85 | $162 |
| Simi Valley | $85 | $85 | $553 |
| Westlake Village | $85 | $85 | $154 |
| Newport Beach | $85 | $85 | $479 |
| West Hills | $85 | $85 | $696 |
| Sylmar | $85 | $85 | $370 |
| Porter Ranch | $85 | $85 | $85 |
| Tarzana | $85 | $85 | $85 |
| Manhattan Beach | $85 | $85 | $538 |
| Marina Del Rey | $85 | $85 | $85 |
| Northridge | $82 | $85 | $456 |
| Fountain Valley | $85 | $85 | $298 |
| Woodland Hills | $85 | $85 | $757 |
| Redondo Beach | $85 | $85 | $458 |
| San Luis Obispo | $85 | $85 | $528 |
| Santa Clarita | $85 | $85 | $590 |
| Calabasas | $85 | $85 | $85 |
| Palm Springs | $85 | $85 | $177 |
| Duarte | $84 | $85 | $1,175 |
| Culver City | $85 | $85 | $686 |
| Whittier | $35 | $85 | $599 |
| Laguna Hills | $35 | $60 | $489 |
Costs reflect self-pay estimates based on insurer-negotiated rates. Insured patients may pay significantly less depending on plan type, deductible status, and network tier.
Compare Similar Procedures
How does colonoscopy compare to related procedures in California?
| Procedure | CPT | Low | Median | High | Providers |
|---|---|---|---|---|---|
| Colonoscopy with Biopsy Colonoscopy with biopsy | 45380 | $80 | $308 | $1,785 | 12,256 |
| Colonoscopy with Polyp Removal Colonoscopy with polyp removal by snare | 45385 | $30 | $453 | $1,785 | 9,290 |
| Upper Endoscopy (EGD) Diagnostic upper GI endoscopy | 43235 | $80 | $85 | $598 | 6,177 |
| Upper Endoscopy with Biopsy Upper GI endoscopy with biopsy | 43239 | $80 | $196 | $1,352 | 16,316 |
| ECG / EKG 12-lead electrocardiogram with interpretation | 93000 | $16 | $49 | $88 | 22,603 |
| Echocardiogram Transthoracic echocardiogram with Doppler | 93306 | $79 | $101 | $586 | 17,572 |
| OB Ultrasound Obstetric ultrasound, complete | 76805 | $52 | $90 | $287 | 7,619 |
Jayant Panwar
CEO, Momentary Labs · San Francisco, CA
Jayant has analyzed healthcare pricing data from CMS Transparency in Coverage files since 2022, covering more than 50 million negotiated rate records across all 50 states. His work focuses on making insurer machine-readable files accessible to patients and researchers.
The cost figures on this page reflect his ongoing work to make this data accessible to patients.
Frequently Asked Questions — Colonoscopy Costs in Walnut Creek
What is the average cost of a Colonoscopy visit in Walnut Creek without insurance?
How much more does a new patient consultation cost compared to a follow-up in Walnut Creek?
Are there lower-cost Colonoscopy options in cities near Walnut Creek?
How do I find a highly rated, affordable Colonoscopy in Walnut Creek?
What should I expect to pay for a Colonoscopy visit in Walnut Creek with insurance?
How many Colonoscopys are currently practicing in Walnut Creek?
Find an Affordable Colonoscopy in Walnut Creek — Powered by AI
Getting accurate cost estimates for your specific situation requires personalized analysis of your insurance coverage and provider options. Our AI-powered cost tool can analyze your plan details and connect you with the most affordable, highly-rated Colonoscopy specialists serving the Walnut Creek area.
Jayant Panwar
CEO & Healthcare Data Analyst, Momentary Labs
Last updated: April 4, 2026
About This Data
Cost data sourced from Transparency in Coverage (TiC) machine-readable files published by UnitedHealthcare as required by the CMS Price Transparency Rule. These are actual negotiated rates between insurers and providers — not estimates.
Prices shown are for Diagnostic colonoscopy, flexible (CPT 45378) in Walnut Creek, California.
Actual out-of-pocket costs depend on your insurance plan, deductible, coinsurance, and services received. This is not medical advice.
About this page
Data source: UnitedHealthcare Transparency in Coverage machine-readable files, CPT 45378, Walnut Creek, California providers. Rates represent in-network negotiated amounts and may vary by plan type.
Editorial policy: Momentary Labs does not accept payment from providers, hospitals, or insurers to influence cost rankings or editorial content. Read our full editorial policy.
Corrections: If you believe any cost figure or clinical information on this page is inaccurate, please report it here. We review all submissions within 5 business days.