Doctor profile · Federal record

Dr. Margaret Grinnell, MD

Family Medicine Physician (CMS: Family Practice) · Anchorage, AK

  • NPI 1568025567
  • Accepts Medicare
  • MIPS 82.1 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4320 Diplomacy Dr
Anchorage, AK 995085925
(907) 729-8901
fax (907) 729-8607
Additional location
1201 E 36Th Ave
Anchorage, AK 995084372
(907) 562-9229
fax (907) 562-1603
Mailing address
7033 E Tudor RD
Anchorage, AK 995071262

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
September 28, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Alaska #146390

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568025567. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
156
Distinct HCPCS
2
Medicare allowed
$16,783
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 80 45 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 76 46 $129

In context: peer comparison

Among 66 peers in this city , average services per provider: 77. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
577
Patients
58
Total drug cost
$12,394
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 91 19 $3,910
Lisinopril Generic 55 14 $163
Montelukast Sodium Generic 48 0 $389
Metoprolol Succinate Generic 46 0 $834
Losartan Potassium Generic 43 0 $651
Sertraline Hcl Generic 39 0 $54
Amlodipine Besylate Generic 38 13 $123
Divalproex Sodium Er (Divalproex Sodium) Brand 36 0 $546
Omeprazole Generic 36 0 $2,717
Pantoprazole Sodium Generic 27 0 $777

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Grinnell's medical specialty?
Dr. Margaret Grinnell practices Family Medicine Physician in Anchorage, AK.
Where does Dr. Margaret Grinnell practice?
Dr. Margaret Grinnell practices at 4320 Diplomacy Dr, Anchorage, AK 995085925. Office phone: 9077298901.
What is Dr. Margaret Grinnell's NPI?
Dr. Margaret Grinnell's National Provider Identifier (NPI) is 1568025567, issued by NPPES.
Does Dr. Margaret Grinnell accept Medicare assignment?
Yes. Dr. Margaret Grinnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Grinnell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.