Doctor profile · Federal record

Dr. Margaret Grifa, M.D.

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Gainesville, GA

  • NPI 1003020041
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1285 Sims St
Gainesville, GA 305013851
(770) 219-8583
Additional location
1100 Long Pond RD, Suite 250
Rochester, NY 146261177
(585) 368-4350
fax (585) 227-7324
Mailing address
Po Box 742616
Atlanta, GA 303742616

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
January 18, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Georgia #79815 · New York #252874

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003020041. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
291
Distinct HCPCS
8
Medicare allowed
$22,641
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 85 42 $121
36415 Insertion of needle into vein for collection of blood sample 73 46 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 33 33 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 24 18 $86
G0008 Administration of influenza virus vaccine 22 22 $29
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $159
90662 Influenza vaccine split virus, preservative free 19 19 $72
92250 Photography of the retina 15 15 $34

In context: peer comparison

Among 13 peers in this city , average services per provider: 76. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$679
Transactions
32
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $182.66
Novo Nordisk Inc 7 $119.61
Lilly USA, LLC 7 $109.07
Otsuka America Pharmaceutical, Inc. 2 $52.72
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $49.04
ABBVIE INC. 3 $44.53
Dexcom, Inc. 2 $39.70
Exact Sciences Corporation 2 $33.28
PFIZER INC. 1 $17.89
CeQur Corporation 1 $15.64
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $14.62

By nature of payment

Food and Beverage
$679

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
358
Patients
127
Total drug cost
$35,113
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 44 19 $648
Arexvy (Rsvpref3 Antigen/As01e/Pf) Brand 35 35 $10,722
Atorvastatin Calcium Generic 28 19 $424
Rosuvastatin Calcium Generic 28 13 $636
Alprazolam Generic 26 0 $116
Prednisone Generic 26 17 $106
Amlodipine Besylate Generic 24 12 $208
Zolpidem Tartrate Generic 23 0 $607
Duloxetine Hcl Generic 21 0 $1,009
Simvastatin Generic 18 0 $116

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Grifa's medical specialty?
Dr. Margaret Grifa practices Family Medicine Physician in Gainesville, GA.
Where does Dr. Margaret Grifa practice?
Dr. Margaret Grifa practices at 1285 Sims St, Gainesville, GA 305013851. Office phone: 7702198583.
What is Dr. Margaret Grifa's NPI?
Dr. Margaret Grifa's National Provider Identifier (NPI) is 1003020041, issued by NPPES.
Does Dr. Margaret Grifa accept Medicare assignment?
Yes. Dr. Margaret Grifa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Grifa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.