Registry data as of Aug 27, 2026

William Reiter, MD

Internal Medicine Physician · Anaconda, MT

William Reiter, MD is an internal medicine physician with a practice address in Anaconda, Montana, and NPI 1982656229, issued on May 16, 2006. Check the license (Montana 8483, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982656229
Name
William Reiter
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
8483 MT
Self-reported in NPPES; status is on the state search
Practice location
606 E Park Ave, Anaconda, MT 59711
Phone
(406) 563-7962
Enumerated
May 16, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 606 E Park Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jill Buck, MSN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1720711567
  2. Megan Lehman, FNPFamily Nurse Practitioner1922648153

Verify William Reiter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 8483
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

61% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,077 Medicare Part D claims for 86 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 523 claims were for opioids.

  1. William Reiter1,077
  2. Specialty average2,785

Most prescribed

  1. Oxycodone Hcl160 claims
  2. Gabapentin122 claims
  3. Hydrocodone-Acetaminophen107 claims
  4. Morphine Sulfate Er94 claims
  5. Buprenorphine-Naloxone72 claims
  6. Ibuprofen44 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Northwest Ehr Collaborative IncAnaconda, MT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

4 internal medicine physician records list a Anaconda practice address

They are 4 of the 192 NPPES records with a Anaconda practice address, and 394 internal medicine physician records in Montana.

Other internal medicine physician records in Montana

  1. Farnaz Abbasimoradi, MDBillings, MT1104434562
  2. Ryan Adams, MDMissoula, MT1790952653
  3. Timothy Adams, MDBozeman, MT1891706537
  4. Thomas Addison, MDGreat Falls, MT1871594754
  5. Yee Chuan Ang, M.D.Billings, MT1104138668
  6. Faranak Argani, MDBillings, MT1558475954
  7. Janet Armstrong, M.D.Glasgow, MT1215949557
  8. Susan Askin, MDFort Harrison, MT1588771604
  9. James Attarian, MDBozeman, MT1144209198
  10. Elias Baied, DOGreat Falls, MT1023497708

Common questions

What is William Reiter, MD's NPI number?

William Reiter, MD's National Provider Identifier (NPI) is 1982656229, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Reiter, MD located?

The NPPES record lists a practice address at 606 E Park Ave, Anaconda, MT, 59711. Phone: (406) 563-7962. Providers update this record themselves, so call before visiting.

How can I verify William Reiter, MD's license?

NPPES lists Montana license number 8483, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Reiter, MD prescribe under Medicare Part D?

In 2024, William Reiter, MD had 1,077 Medicare Part D claims for 86 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.