Gary Gillen, M.D.
NPI 1851397236 · Family Medicine Physician · Morrisville, VT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Gillen, M.D. is a Family Medicine Physician provider in Morrisville, VT (NPI 1851397236).
Provider details
- NPI number
- 1851397236
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 042.0014151 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
153 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 75 | $10 |
| Automated Urinalysis Test81003 | 23 | $2 |
| Urine Microalbumin (protein) Analysis82044 | 23 | $6 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 21 | $13 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 11 | $16 |
Typical Medicare-allowed amounts for these services range $2–$16 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 226 | 59 |
| Lisinopril | 138 | 45 |
| Omeprazole | 102 | 31 |
| Amlodipine Besylate | 89 | 30 |
| Levothyroxine Sodium | 79 | 24 |
| Hydrochlorothiazide | 77 | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Additional practice locations (1)
- 1878 Mountain RdStowe, VT 05672-4776Phone: (802) 253-4853Fax: (802) 888-1759
Registry dates
- Enumerated
- 2005-06-22
- Last updated
- 2023-08-03
- Certified
- 2023-08-03
Frequently asked questions
- What is Gary Gillen's NPI number?
- Gary Gillen's National Provider Identifier (NPI) is 1851397236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Gillen's specialty?
- Gary Gillen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Gillen located?
- Gary Gillen's practice location on file with NPPES is 609 Washington Hwy, Morrisville, VT 05661-8652.
- What is Gary Gillen's phone number?
- The practice phone number listed in the NPPES registry for Gary Gillen is (802) 888-5639.
- Does Gary Gillen accept Medicare?
- Gary Gillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Gillen's NPI active?
- Yes — Gary Gillen's NPI (1851397236) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.