Doctor profile · Federal record

Dr. Margaret Gardiner, FNP

Family Nurse Practitioner · Family Nurse Practitioner · Lewiston, ME

  • NPI 1134468044
  • MIPS 93.1 / 100 · 2023
  • 13 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Mollison Way
Lewiston, ME 042405805
(207) 777-4440
fax (207) 777-8197
Mailing address
Po Box 1638
Albany, NY 122011638

Credentials & registration

NPPES · NUCC
NPI registered
February 2013 — 13 yrs on file
Profile last updated
September 16, 2017
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Maine #CNP121118 · Maine #CNP

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134468044. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
318
Distinct HCPCS
6
Medicare allowed
$26,269
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 120 66 $42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 82 77 $146
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 45 $66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 18 $100
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 20 $109
99497 Advance care planning, first 30 minutes 11 11 $63

In context: peer comparison

Among 18 peers in Lewiston Family Nurse Practitioner, average services per provider: 93. This provider delivers 3.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Gardiner's medical specialty?
Dr. Margaret Gardiner practices Family Nurse Practitioner in Lewiston, ME.
Where does Dr. Margaret Gardiner practice?
Dr. Margaret Gardiner practices at 15 Mollison Way, Lewiston, ME 042405805. Office phone: 2077774440.
What is Dr. Margaret Gardiner's NPI?
Dr. Margaret Gardiner's National Provider Identifier (NPI) is 1134468044, issued by NPPES.
What procedures does Dr. Margaret Gardiner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.