William Reiter, MD
NPI 1982656229 · Internal Medicine Physician · Anaconda, MT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Reiter, MD is a Internal Medicine Physician provider in Anaconda, MT (NPI 1982656229).
Provider details
- NPI number
- 1982656229
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 8483 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
173 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $126 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 38 | $176 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $89 |
Typical Medicare-allowed amounts for these services range $89–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 160 | 28 |
| Gabapentin | 122 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 107 | 22 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 94 | — |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 72 | — |
| Ibuprofen | 44 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2019-04-02
Frequently asked questions
- What is William Reiter's NPI number?
- William Reiter's National Provider Identifier (NPI) is 1982656229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Reiter's specialty?
- William Reiter is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Reiter located?
- William Reiter's practice location on file with NPPES is 606 E Park Ave, Anaconda, MT 59711.
- What is William Reiter's phone number?
- The practice phone number listed in the NPPES registry for William Reiter is (406) 563-7962.
- Does William Reiter accept Medicare?
- William Reiter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Reiter's NPI active?
- Yes — William Reiter's NPI (1982656229) is active in the NPPES registry as of the last update on 2019-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.