William Cobell, MD
NPI 1023281441 · Gastroenterology Physician · Anaconda, MT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Cobell, MD is a Gastroenterology Physician provider in Anaconda, MT (NPI 1023281441).
Provider details
- NPI number
- 1023281441
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2011016836 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
338 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 71 | $239 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 59 | $75 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $157 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $122 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 29 | $108 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 95 | 39 |
| Ondansetron Hcl | 92 | 91 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 82 | 73 |
| Pantoprazole Sodium | 64 | 20 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 30 | 30 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 28 | 28 |
| Cholestyramine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$87 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 320 Sunnyview LnKalispell, MT 59901-3129Phone: (406) 752-7441Fax: (406) 257-0304
- 1026 E 2nd StCasper, WY 82601-2902Phone: (307) 333-0002Fax: (307) 333-4425
Registry dates
- Enumerated
- 2008-04-07
- Last updated
- 2024-09-11
- Certified
- 2024-09-11
Frequently asked questions
- What is William Cobell's NPI number?
- William Cobell's National Provider Identifier (NPI) is 1023281441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Cobell's specialty?
- William Cobell is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Cobell located?
- William Cobell's practice location on file with NPPES is 305 W Pennsylvania Ave, Anaconda, MT 59711-1900.
- What is William Cobell's phone number?
- The practice phone number listed in the NPPES registry for William Cobell is (406) 563-8571.
- Does William Cobell accept Medicare?
- William Cobell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Cobell's NPI active?
- Yes — William Cobell's NPI (1023281441) is active in the NPPES registry as of the last update on 2024-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.