NPPES file of Aug 9, 2026

Mark F. Garnaas, M.D.

Obstetrics & Gynecology Physician · Rockport, ME

Mark F. Garnaas, M.D. is an obstetrics & gynecology physician with a practice address in Rockport, Maine, and NPI 1326088394, issued on Jun 7, 2006. Check the license (Maine MD23498, as entered in NPPES) on the Maine Board of Licensure in Medicine; 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
1326088394
Name
Mark F. Garnaas
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
MD23498 ME
8226 MT
MD196903 OR
Self-reported in NPPES; status is on the state search
Practice location
3 Glen Cove Dr, Rockport, ME 04856
Phone
(406) 544-8051
Enumerated
Jun 7, 2006
Record last updated
Jun 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
0024242 MT
Medicare enrollment
Enrolled (PECOS I20100201000334); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1986
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 3 Glen Cove Dr

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

  1. Wendelanne Augunas, LCPCProfessional Counselor1598028839
  2. Clara Buescher, CNMAdvanced Practice Midwife1447350301
  3. Marian Frey, CNMAdvanced Practice Midwife1104923077
  4. Eve Hadley, CNMAdvanced Practice Midwife1033552054
  5. Susan Harris, CNMAdvanced Practice Midwife1467559336
  6. Erin Monberg, CNMAdvanced Practice Midwife1235114406

Verify Mark F. Garnaas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD23498    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 Maine license search

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36% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

105 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Mark Garnaas105
  2. Specialty average165

Most prescribed

  1. Estradiol27 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. Scl Health Medical Group-Butte LLCButte, MT

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

Obstetrics & Gynecology Physician providers in Maine

There are 205 obstetrics & gynecology physician records in Maine.

All 205 in Maine → Every provider in Rockport →

Other obstetrics & gynecology physician records in Maine

  1. Morgan Abbey, M.D.Augusta, ME1851823033
  2. Ann Adams, MDPortland, ME1902865025
  3. Carol Altman, MDPortland, ME1285693309
  4. Jeffrey Amos, MDBelfast, ME1366977878
  5. Alec Anderson, MDBangor, ME1053724757
  6. Lisa Anderson, MDBrunswick, ME1881798874
  7. Jeannette Andrews, DONorway, ME1104020908
  8. Kevin Andrews, M.D.Scarborough, ME1205826534
  9. Tara Aumand, M.DFarmington, ME1265528863
  10. Jacques Belair, M.D.Farmington, ME1750312567

Common questions

What is Mark F. Garnaas, M.D.'s NPI number?

Mark F. Garnaas, M.D.'s National Provider Identifier (NPI) is 1326088394, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark F. Garnaas, M.D. located?

The NPPES record lists a practice address at 3 Glen Cove Dr, Rockport, ME, 04856. Phone: (406) 544-8051. Providers update this record themselves, so call before visiting.

How can I verify Mark F. Garnaas, M.D.'s license?

NPPES lists Maine license number MD23498, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark F. Garnaas, M.D. prescribe under Medicare Part D?

In 2024, Mark F. Garnaas, M.D. had 105 Medicare Part D claims for 35 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.