Doctor profile · Federal record

Dr. Kathryn Mazzarella, NP

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · New York, NY

  • NPI 1922522929
  • Accepts Medicare
  • MIPS 68.6 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1275 York Ave
New York, NY 10065
(516) 647-2075

Credentials & registration

NPPES · NUCC
NPI registered
August 2017 — 9 yrs on file
Profile last updated
November 9, 2018
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
Texas #927502
Medicaid (2)
TX #376842601 · TX #376842602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922522929. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
179
Distinct HCPCS
1
Medicare allowed
$24,430
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 179 56 $136

In context: peer comparison

Among 16 peers in New York Gerontology Nurse Practitioner, average services per provider: 113. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
421
Patients
61
Total drug cost
$1,204,310
Drug Type Claims Patients Total cost
Acyclovir Generic 59 20 $1,245
Jakafi (Ruxolitinib Phosphate) Brand 55 0 $737,784
Prednisone Generic 39 14 $303
Prevymis (Letermovir) Brand 37 0 $265,032
Amlodipine Besylate Generic 34 0 $268
Atovaquone Generic 32 0 $19,874
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 28 11 $242
Gabapentin Generic 23 0 $367
Zarxio (Filgrastim-Sndz) Brand 23 16 $89,232
Tacrolimus Generic 20 0 $1,114

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Mazzarella's medical specialty?
Dr. Kathryn Mazzarella practices Gerontology Nurse Practitioner in New York, NY.
Where does Dr. Kathryn Mazzarella practice?
Dr. Kathryn Mazzarella practices at 1275 York Ave, New York, NY 10065. Office phone: 5166472075.
What is Dr. Kathryn Mazzarella's NPI?
Dr. Kathryn Mazzarella's National Provider Identifier (NPI) is 1922522929, issued by NPPES.
Does Dr. Kathryn Mazzarella accept Medicare assignment?
Yes. Dr. Kathryn Mazzarella accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Mazzarella commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.