NPPES file of Aug 9, 2026

Michael D. Alter, M.D.

Pulmonary Disease Physician · St Paul, MN

Michael D. Alter, M.D. is a pulmonary disease physician with a practice address in St Paul, Minnesota, and NPI 1225072812, issued on Jun 15, 2006. Check the license (Minnesota 40442, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225072812
Name
Michael D. Alter
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
40442 MN
Self-reported in NPPES; status is on the state search
Practice location
401 Phalen Blvd - MS 41102D, St Paul, MN 55130
Phone
(651) 254-7670
Enumerated
Jun 15, 2006
Record last updated
Jan 24, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(651) 254-7676
Medicaid IDs
0714345 IA
34365000 WI
293027700 MN
0149383 MT
Medicare enrollment
Enrolled (PECOS I20050323000185); accepts Medicare assignment
Medical or professional school
University Of Toledo College Of Medicine, 1994
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 401 Phalen Blvd - MS 41102D

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

  1. Petr Bachan, MDInternal Medicine Physician1093779100
  2. Melina Koch, NPAdult Health Nurse Practitioner1376716407

Verify Michael D. Alter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 40442
    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 Minnesota license search

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74% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

368 Medicare Part D claims for 80 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Michael Alter368
  2. Specialty average1,425

Most prescribed

  1. Breo Ellipta50 claims
  2. Albuterol Sulfate Hfa27 claims
  3. Zolpidem Tartrate26 claims
  4. Prednisone25 claims
  5. Trelegy Ellipta25 claims
  6. Fluticasone-Salmeterol22 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

  1. Group Health Plan IncMaplewood, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

9 pulmonary disease physician records list a practice address in St Paul

They are 9 of the 815 NPPES records with a practice address in St Paul, and 311 pulmonary disease physician records in Minnesota.

Other pulmonary disease physician records in Minnesota

  1. Abdallah Abboud, M.D.Minneapolis, MN1912314824
  2. Naeem Adhami, MDCoon Rapids, MN1407081169
  3. Brian Aebly, D.O.Duluth, MN1578705125
  4. Sumera Ahmad, M.D.Rochester, MN1699932574
  5. Timothy Aksamit, M.D.Rochester, MN1184694770
  6. Faysal Al-Ghoula, MBBCHRochester, MN1477008670
  7. Dina AlayanRochester, MN1083212765
  8. Talal Almasri, MBBSRochester, MN1447997366
  9. Ghadah Alrehaili, MBBSRochester, MN1629432406
  10. Brian Amdahl, M.D.Maplewood, MN1609829357

Common questions

What is Michael D. Alter, M.D.'s NPI number?

Michael D. Alter, M.D.'s National Provider Identifier (NPI) is 1225072812, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael D. Alter, M.D. located?

The NPPES record lists a practice address at 401 Phalen Blvd - MS 41102D, St Paul, MN, 55130. Phone: (651) 254-7670. Providers update this record themselves, so call before visiting.

How can I verify Michael D. Alter, M.D.'s license?

NPPES lists Minnesota license number 40442, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael D. Alter, M.D. prescribe under Medicare Part D?

In 2024, Michael D. Alter, M.D. had 368 Medicare Part D claims for 80 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.