Doctor profile · Federal record

Dr. Allyson Gillespie, PA

Physician Assistant · New York, NY

  • NPI 1356835615
  • Accepts Medicare
  • MIPS 89.7 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Memorial Sloan Kettering Cancer Center 1275 York Ave
New York, NY 10065
(860) 918-8476
Mailing address
105 E 63Rd St Apt 8D
New York, NY 100657329

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
December 9, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356835615. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$1,005
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $63

In context: peer comparison

Among 206 peers in New York Physician Assistant, average services per provider: 65. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
228
Patients
59
Total drug cost
$9,076
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 69 21 $6,895
Levothyroxine Sodium Generic 56 24 $1,013
Pentoxifylline Generic 27 0 $497
Omeprazole Generic 21 0 $191
Clindamycin Hcl Generic 16 0 $97
Oxycodone Hcl Generic 15 14 $74
Gabapentin Generic 12 0 $266
Prednisone Generic 12 0 $44

Frequently asked questions

Auto-generated from federal data
What is Dr. Allyson Gillespie's medical specialty?
Dr. Allyson Gillespie practices Physician Assistant in New York, NY.
Where does Dr. Allyson Gillespie practice?
Dr. Allyson Gillespie practices at Memorial Sloan Kettering Cancer Center 1275 York Ave, New York, NY 10065. Office phone: 8609188476.
What is Dr. Allyson Gillespie's NPI?
Dr. Allyson Gillespie's National Provider Identifier (NPI) is 1356835615, issued by NPPES.
Does Dr. Allyson Gillespie accept Medicare assignment?
Yes. Dr. Allyson Gillespie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allyson Gillespie commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.