Margaret Elizabeth Holbrook, PA-C
Medical Physician Assistant · Anchorage, AK
Margaret Elizabeth Holbrook, PA-C is a medical physician assistant with a practice address in Anchorage, Alaska, and NPI 1871743864, issued on Sep 25, 2008. Check the license (Alaska 221603, as entered in NPPES) with the Alaska board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Elizabeth Holbrook
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 221603 AK
Self-reported in NPPES; status is on the state search - Practice location
- 3841 Piper St Ste T100, Anchorage, AK 99508
- Phone
- (907) 561-3211
- Enumerated
- Sep 25, 2008
- Record last updated
- Sep 4, 2024
- Fax
- (907) 561-4652
- Medicare enrollment
- Enrolled (PECOS I20091118000405); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3841 Piper St Ste T100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Josiah Brown, MDInterventional Cardiology Physician1043643430
- Blake Charlton, M.D.Interventional Cardiology Physician1982946315
- Hanna Chastain, PAPhysician Assistant1215540828
Verify Margaret Elizabeth Holbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Alaska board licenses this profession
Search for license 221603Check 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 medical physician assistant in 2024
13 Medicare Part D claims, against an average of 1,148 among the 23,801 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): 81.3 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 Heart InstituteAnchorage, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Physician Assistant providers in Alaska
There are 250 medical physician assistant records in Alaska.
Other medical physician assistant records in Alaska
- Shaina Ahles, PA-CTalkeetna, AK1518500347
- Kathryn Albert, PA-CWasilla, AK1356754618
- Louisa Albright, PA-CBethel, AK1942533393
- Rochelle Aleman, PA-CAnchorage, AK1730857368
- Jon-Michael Allen, PA-CAnchorage, AK1477976892
- Jennifer Amstadter, PA-CAnchorage, AK1245515188
- Josiah Anderson, PAAnchorage, AK1891422366
- James Andrulli, PA-CFairbanks, AK1710968656
- Kerry Anson, PA-C, ATCEagle River, AK1902150139
- David Arthur, PAAnchorage, AK1629461488
Common questions
What is Margaret Elizabeth Holbrook, PA-C's NPI number?
Margaret Elizabeth Holbrook, PA-C's National Provider Identifier (NPI) is 1871743864, issued on Sep 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Elizabeth Holbrook, PA-C located?
The NPPES record lists a practice address at 3841 Piper St Ste T100, Anchorage, AK, 99508. Phone: (907) 561-3211. Providers update this record themselves, so call before visiting.
How can I verify Margaret Elizabeth Holbrook, PA-C's license?
NPPES lists Alaska license number 221603, as entered by the provider. Search the Alaska board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Elizabeth Holbrook, PA-C prescribe under Medicare Part D?
In 2024, Margaret Elizabeth Holbrook, PA-C had 13 Medicare Part D claims; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Margaret Elizabeth Holbrook, PA-C's MIPS final score?
The 2023 MIPS final score is 81.3 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.