Doctor profile · Federal record

Dr. Mary Warzynski, NP

Nurse Practitioner · Adult Health Nurse Practitioner · Chestnut Hill, MA

  • NPI 1316909013
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
291 Independence Dr
Chestnut Hill, MA 024673628
(617) 325-2800

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 21, 2019
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #200847

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316909013. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
3
Medicare allowed
$869
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 55 42 $8
84443 Blood test, thyroid stimulating hormone (tsh) 15 12 $16
82728 Ferritin (blood protein) level 12 11 $13

In context: peer comparison

Among 4 peers in this city , average services per provider: 52. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
661
Patients
308
Total drug cost
$39,128
Drug Type Claims Patients Total cost
Lorazepam Generic 89 53 $317
Gabapentin Generic 68 28 $1,520
Alendronate Sodium Generic 63 25 $828
Levothyroxine Sodium Generic 63 31 $965
Atorvastatin Calcium Generic 53 20 $996
Clonazepam Generic 44 23 $219
Oxycodone Hcl Generic 37 15 $683
Sertraline Hcl Generic 34 21 $578
Tramadol Hcl Generic 34 16 $317
Eliquis (Apixaban) Brand 33 12 $30,715

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Warzynski's medical specialty?
Dr. Mary Warzynski practices Nurse Practitioner in Chestnut Hill, MA.
Where does Dr. Mary Warzynski practice?
Dr. Mary Warzynski practices at 291 Independence Dr, Chestnut Hill, MA 024673628. Office phone: 6173252800.
What is Dr. Mary Warzynski's NPI?
Dr. Mary Warzynski's National Provider Identifier (NPI) is 1316909013, issued by NPPES.
Does Dr. Mary Warzynski accept Medicare assignment?
Yes. Dr. Mary Warzynski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Warzynski commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, thyroid stimulating hormone (tsh) (HCPCS 84443); Ferritin (blood protein) level (HCPCS 82728). Source: CMS Medicare Physician & Other Practitioners file.