Michael Kirwan Mraz, MD
Hospitalist Physician · Anchorage, AK
Michael Kirwan Mraz, MD is a hospitalist physician with a practice address in Anchorage, Alaska, and NPI 1629011218, issued on Jun 13, 2006. Check the license (Alaska 4839, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Kirwan Mraz
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 4839 AK
Self-reported in NPPES; status is on the state search - Practice location
- 4300 B St, Anchorage, AK 99503
- Phone
- (907) 375-3355
- Enumerated
- Jun 13, 2006
- Record last updated
- Aug 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (907) 375-3351
- Medicaid ID
- MD48391 AK
- Medicare enrollment
- Enrolled (PECOS I20050519000219); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 73 in Alaska → Look up another NPI →
Also registered at 4300 B St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Alcorn, M.D.Psychiatry Physician1760547210
- Keith Augustin, D.O.Hospitalist Physician1679671796
- Sharolyn Baldwin, MDHospitalist Physician1649325127
- Emily Barkay, MDHospitalist Physician1477536316
- Timothy Bateman, M.D.Hospitalist Physician1285732305
- Shadi Battah, M.D.Critical Care Medicine (Internal Medicine) Physician1851412340
Verify Michael Kirwan Mraz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license 4839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average hospitalist physician in 2024
243 Medicare Part D claims for 66 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Pantoprazole Sodium14 claims
- Metoprolol Succinate11 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.
Bills Medicare through one group practice
- Alaska Hospitalist Group LLCAnchorage, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Kirwan Mraz among 73 hospitalist physician records in Alaska
Michael Kirwan Mraz, MD is one of 73 hospitalist physician records with a practice address in Alaska. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 70% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1998 · median 2011 among the 58 with a school on file
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Alaska
There are 73 hospitalist physician records in Alaska.
All 73 in Alaska → Every provider in Anchorage → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Keith Augustin, D.O.Anchorage, AK 995031679671796
- Emily Barkay, MDAnchorage, AK 995031477536316
- Timothy Bateman, M.D.Anchorage, AK 995031285732305
- Robert Church, M.D.Anchorage, AK 995031336246396
- Dwight Gurley, MDAnchorage, AK 995031508836834
- Anthony Larson, MDAnchorage, AK 995031053418004
- Joseph Lestina, MDAnchorage, AK 995031144328279
- Thomas Lutz, D.O.Anchorage, AK 995031154312221
Common questions
What is Michael Kirwan Mraz, MD's NPI number?
Michael Kirwan Mraz, MD's National Provider Identifier (NPI) is 1629011218, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Kirwan Mraz, MD located?
The NPPES record lists a practice address at 4300 B St, Anchorage, AK, 99503. Phone: (907) 375-3355. Providers update this record themselves, so call before visiting.
How can I verify Michael Kirwan Mraz, MD's license?
NPPES lists Alaska license number 4839, as entered by the provider. 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 Michael Kirwan Mraz, MD prescribe under Medicare Part D?
In 2024, Michael Kirwan Mraz, MD had 243 Medicare Part D claims for 66 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.