Thomas Siegert, MD
Internal Medicine Physician · Anchorage, AK
Thomas Siegert, MD is an internal medicine physician with a practice address in Anchorage, Alaska, and NPI 1194383810, issued on May 29, 2019. Check the license on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Siegert
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- LP04607 RI
Self-reported in NPPES; status is on the state search - Practice location
- 4315 Diplomacy Dr, Anchorage, AK 99508
- Phone
- (907) 563-2662
- Enumerated
- May 29, 2019
- Record last updated
- Jul 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20231009000578); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 177 in Alaska → Look up another NPI →
Also registered at 4315 Diplomacy Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Akers, PTPhysical Therapist1063559847
- Katherine Alexander, PA-CPhysician Assistant1770201329
- Mary Anderson, M.D.Pediatrics Physician1912385840
- Staci AndrewsCase Manager/Care Coordinator1568021905
- Kelly Arkell, FNPFamily Nurse Practitioner1710498845
Verify Thomas Siegert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Alaska Native Tribal Health ConsortiumAnchorage, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Siegert among 177 internal medicine physician records in Alaska
Thomas Siegert, MD is one of 177 internal medicine physician records with a practice address in Alaska. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2019 · median 2010 among the 92 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Alaska
There are 177 internal medicine physician records in Alaska.
All 177 in Alaska → Every provider in Anchorage → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Barrett, MDAnchorage, AK 995081053350249
- Mary Demers, DOAnchorage, AK 995081649236084
- David Dexter, MDAnchorage, AK 995081811938434
- Sheryl Gale, MDAnchorage, AK 995081649225830
- Song-Qing Gan, M.D.Anchorage, AK 995081619933512
- Karl Hansen, MDAnchorage, AK 995081427099639
- Susan Heverling, M.D.Anchorage, AK 995081750358701
- Cynthia Joe, MDAnchorage, AK 995081174593750
Common questions
What is Thomas Siegert, MD's NPI number?
Thomas Siegert, MD's National Provider Identifier (NPI) is 1194383810, issued on May 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Siegert, MD located?
The NPPES record lists a practice address at 4315 Diplomacy Dr, Anchorage, AK, 99508. Phone: (907) 563-2662. Providers update this record themselves, so call before visiting.
How can I verify Thomas Siegert, MD's license?
Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Siegert, MD prescribe under Medicare Part D?
In 2024, Thomas Siegert, MD had 18 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Thomas Siegert, MD's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.