Garbis Keusseyan
Medical Physician Assistant · Millinocket, ME
Garbis Keusseyan is a medical physician assistant with a practice address in Millinocket, Maine, and NPI 1285389973, issued on Feb 21, 2022. Check the license (Maine PA2434, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Garbis Keusseyan
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA2434 ME
Self-reported in NPPES; status is on the state search - Practice location
- 50 Summer St, Millinocket, ME 04462
- Phone
- (207) 538-3700
- Enumerated
- Feb 21, 2022
- Entity
- Type 1 · individual
Also registered at 50 Summer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Bears, IPDHDental Hygienist1003851031
- Laura Bouchard, RNCase Management Registered Nurse1881249779
- Christopher Castonguay, DMDDentist1477046571
- Catherine Cesare, DENTAL HYGIENISTDental Hygienist1194968065
- Richard Chin, O.D.Optometrist1053864488
- Robert Cleaveland, PHYSICIAN ASSISTANTMedical Physician Assistant1518350610
Verify Garbis Keusseyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PA2434Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
5.5 times the Medicare Part D claims of the average medical physician assistant in 2024
6,225 Medicare Part D claims for 659 beneficiaries, against an average of 1,139 among the 25,090 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 152 claims were for opioids.
Most prescribed
- Atorvastatin Calcium364 claims
- Lisinopril234 claims
- Amlodipine Besylate212 claims
- Losartan Potassium186 claims
- Metoprolol Succinate145 claims
- Pantoprazole Sodium134 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.
One hospital or facility affiliation
- Katahdin Valley Health CenterPatten, ME
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 medical physician assistant records list a Millinocket practice address
They are 2 of the 103 NPPES records with a Millinocket practice address, and 240 medical physician assistant records in Maine.
All 2 in Millinocket → All 240 in Maine → Every provider in Millinocket →
Other medical physician assistant records in Maine
- Emily Akley, PA-CPortland, ME1629629043
- Shirley Ala, PA-CAuburn, ME1619909017
- Shermane Anderson, PACBangor, ME1710930037
- Jessica Arbisi, PA-CBangor, ME1255999173
- Jennifer Arich, PA-CPortland, ME1417196577
- Stephen Arnold, PASkowhegan, ME1437715943
- Anna Ashline, PA-CPortland, ME1679046700
- John Bachman, PA-CAugusta, ME1801991484
- Neil Baggesen, PA-CPresque Isle, ME1841827300
- Olivia Barksdale, PA-CBangor, ME1740152115
Common questions
What is Garbis Keusseyan's NPI number?
Garbis Keusseyan's National Provider Identifier (NPI) is 1285389973, issued on Feb 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Garbis Keusseyan located?
The NPPES record lists a practice address at 50 Summer St, Millinocket, ME, 04462. Phone: (207) 538-3700. Providers update this record themselves, so call before visiting.
How can I verify Garbis Keusseyan's license?
NPPES lists Maine license number PA2434, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Garbis Keusseyan prescribe under Medicare Part D?
In 2024, Garbis Keusseyan had 6,225 Medicare Part D claims for 659 beneficiaries; the average among medical physician assistant prescribers was 1,139. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.