Registry data as of Aug 27, 2026

Troy Ahlstrom, M.D.

Internal Medicine Physician · Traverse City, MI

Troy Ahlstrom, M.D. is an internal medicine physician with a practice address in Traverse City, Michigan, and NPI 1548265911, issued on Jun 14, 2005. Check the license (Michigan 4301070208, as entered in NPPES) on the Michigan Board of Medicine; 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
1548265911
Name
Troy Ahlstrom
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301070208 MI
Self-reported in NPPES; status is on the state search
Practice location
1105 6TH St, Traverse City, MI 49684
Phone
(231) 947-0673
Enumerated
Jun 14, 2005
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 1105 6TH St

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

  1. Asante Acheampong, PHARMDPharmacist1063152353
  2. Sally Ancel, D.O.Emergency Medicine Physician1811000466
  3. Kyrsten Austin, MS, RDRegistered Dietitian1609649037
  4. Janet Baillod, MSN, NPNurse Practitioner1063586352
  5. Brooke Baker, DPTPhysical Therapist1992274021
  6. Robert Baker, LMSWCounselor1407044498

Verify Troy Ahlstrom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301070208
    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 Michigan 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.

93% fewer Medicare Part D claims than the average internal medicine physician in 2024

186 Medicare Part D claims for 93 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Troy Ahlstrom186
  2. Specialty average2,785

Most prescribed

  1. Cefuroxime17 claims
  2. Prednisone17 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.

2 hospital and facility affiliations

  1. Chronic Care Management LLCTraverse City, MI
  2. Sound Inpatient Physicians-Michigan PLLCIron Mountain, MI

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.

100 internal medicine physician records list a Traverse City practice address

They are 100 of the 3,536 NPPES records with a Traverse City practice address, and 6,589 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Keith Aaronson, MDAnn Arbor, MI1144305301
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Hawazin Abbas, MDAuburn Hills, MI1699020677
  5. Imran Abbasi, D.O.Warren, MI1427409887
  6. Ramzi Abbasi, MDSaginaw, MI1164270005
  7. Saadat Abbasi, MDKalamazoo, MI1912005596
  8. Shahzaman Abbasi, MDLansing, MI1376512111
  9. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  10. Joseph Abbo, MDYpsilanti, MI1982136503

Common questions

What is Troy Ahlstrom, M.D.'s NPI number?

Troy Ahlstrom, M.D.'s National Provider Identifier (NPI) is 1548265911, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Troy Ahlstrom, M.D. located?

The NPPES record lists a practice address at 1105 6TH St, Traverse City, MI, 49684. Phone: (231) 947-0673. Providers update this record themselves, so call before visiting.

How can I verify Troy Ahlstrom, M.D.'s license?

NPPES lists Michigan license number 4301070208, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Troy Ahlstrom, M.D. prescribe under Medicare Part D?

In 2024, Troy Ahlstrom, M.D. had 186 Medicare Part D claims for 93 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.