Doctor profile · Federal record

Dr. Michael Gillis, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Agawam, MA

  • NPI 1487061016
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
230 Main St
Agawam, MA 010011838
(413) 789-6800

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Massachusetts #PA5093

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487061016. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
513
Distinct HCPCS
8
Medicare allowed
$52,326
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 334 219 $111
99213 Established patient office or other outpatient visit, 20-29 minutes 36 35 $79
G0008 Administration of influenza virus vaccine 36 36 $34
99215 Established patient office or other outpatient visit, 40-54 minutes 29 26 $155
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 26 26 $72
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 20 20 $143
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 17 17 $112
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 15 14 $13

In context: peer comparison

Among 2 peers in Agawam Medical Physician Assistant, average services per provider: 113. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,244
Patients
1,336
Total drug cost
$55,949
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 495 201 $10,396
Lisinopril Generic 404 162 $4,408
Amlodipine Besylate Generic 372 164 $3,311
Levothyroxine Sodium Generic 314 120 $5,614
Omeprazole Generic 290 123 $5,869
Gabapentin Generic 241 74 $5,007
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 179 73 $5,746
Trazodone Hcl Generic 132 51 $1,968
Losartan Potassium Generic 124 59 $2,242
Simvastatin Generic 120 59 $1,804

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Gillis's medical specialty?
Dr. Michael Gillis practices Medical Physician Assistant in Agawam, MA.
Where does Dr. Michael Gillis practice?
Dr. Michael Gillis practices at 230 Main St, Agawam, MA 010011838. Office phone: 4137896800.
What is Dr. Michael Gillis's NPI?
Dr. Michael Gillis's National Provider Identifier (NPI) is 1487061016, issued by NPPES.
Does Dr. Michael Gillis accept Medicare assignment?
Yes. Dr. Michael Gillis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Gillis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.