Garbis Keusseyan
NPI 1285389973 · Medical Physician Assistant · Millinocket, ME
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Garbis Keusseyan is a Medical Physician Assistant provider in Millinocket, ME (NPI 1285389973).
Provider details
- NPI number
- 1285389973
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA2434 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
379 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 89 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $50 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $83 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 364 | 95 |
| Lisinopril | 234 | 71 |
| Amlodipine Besylate | 212 | 55 |
| Losartan Potassium | 186 | 55 |
| Metoprolol Succinate | 145 | 38 |
| Pantoprazole Sodium | 134 | 36 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (2)
- 140 Academy StPresque Isle, ME 04769-3171Phone: (207) 764-3142
- 23 North St Ste 4Presque Isle, ME 04769-2295Phone: (207) 764-3142
Registry dates
- Enumerated
- 2022-02-21
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Garbis Keusseyan's NPI number?
- Garbis Keusseyan's National Provider Identifier (NPI) is 1285389973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Garbis Keusseyan's specialty?
- Garbis Keusseyan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Garbis Keusseyan located?
- Garbis Keusseyan's practice location on file with NPPES is 50 Summer St, Millinocket, ME 04462-1400.
- What is Garbis Keusseyan's phone number?
- The practice phone number listed in the NPPES registry for Garbis Keusseyan is (207) 538-3700.
- Does Garbis Keusseyan accept Medicare?
- Garbis Keusseyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Garbis Keusseyan's NPI active?
- Yes — Garbis Keusseyan's NPI (1285389973) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.