Doctor profile · Federal record

Dr. Mary Seifel

Family Nurse Practitioner (CMS: Nurse Practitioner) · Leeds, MA

  • NPI 1336299650
  • Accepts Medicare
  • MIPS 67.1 / 100 · 2023
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
38 Mulberry St Ste 204
Leeds, MA 010535339
(413) 727-3901
fax (413) 727-3902
Mailing address
Po Box 313
Leeds, MA 010530313

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 8, 2021
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #190627

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336299650. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,045
Distinct HCPCS
4
Medicare allowed
$94,054
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 710 102 $91
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 185 52 $64
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 118 92 $129
99315 Nursing facility discharge day management, 30 minutes or less 32 30 $70

In context: peer comparison

Among 4 peers in this city , average services per provider: 189. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
582
Patients
52
Total drug cost
$25,301
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 138 30 $1,086
Oxycontin (Oxycodone Hcl) Brand 120 0 $11,782
Oxycodone Hcl Generic 77 11 $771
Lorazepam Generic 40 0 $269
Xtampza Er (Oxycodone Myristate) Brand 34 0 $5,115
Clonazepam Generic 24 0 $210
Morphine Sulfate Er (Morphine Sulfate) Brand 24 0 $383
Zenpep (Lipase/Protease/Amylase) Brand 23 0 $4,143
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 0 $235
Morphine Sulfate Generic 21 11 $204

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Seifel's medical specialty?
Dr. Mary Seifel practices Family Nurse Practitioner in Leeds, MA.
Where does Dr. Mary Seifel practice?
Dr. Mary Seifel practices at 38 Mulberry St Ste 204, Leeds, MA 010535339. Office phone: 4137273901.
What is Dr. Mary Seifel's NPI?
Dr. Mary Seifel's National Provider Identifier (NPI) is 1336299650, issued by NPPES.
Does Dr. Mary Seifel accept Medicare assignment?
Yes. Dr. Mary Seifel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Seifel commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310). Source: CMS Medicare Physician & Other Practitioners file.