Doctor profile · Federal record

Dr. Margaret Richardson-Nixon, MD

Internal Medicine Physician (CMS: Internal Medicine) · Tifton, GA

  • NPI 1225033921
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2225 US Highway 41 N
Tifton, GA 317942749
(229) 391-4100
Mailing address
907 18Th St E Ste 400
Tifton, GA 317943684

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
March 8, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Georgia #55015
Medicaid
GA #015825024A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225033921. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$182
Transactions
9
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 3 $78.64
Amgen Inc. 1 $23.58
ABBVIE INC. 1 $21.63
Bayer Healthcare Pharmaceuticals Inc. 1 $16.20
Dexcom, Inc. 1 $15.09
PFIZER INC. 1 $13.85
GlaxoSmithKline, LLC. 1 $13.36

By nature of payment

Food and Beverage
$182

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,156
Patients
698
Total drug cost
$137,274
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 312 106 $3,409
Amlodipine Besylate Generic 268 83 $1,354
Levothyroxine Sodium Generic 193 61 $2,916
Losartan Potassium Generic 183 62 $2,218
Omeprazole Generic 160 59 $2,177
Montelukast Sodium Generic 153 32 $1,886
Hydrochlorothiazide Generic 147 51 $550
Metformin Hcl Generic 115 41 $1,045
Ozempic (Semaglutide) Brand 103 28 $112,524
Lisinopril Generic 97 31 $588

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Richardson-Nixon's medical specialty?
Dr. Margaret Richardson-Nixon practices Internal Medicine Physician in Tifton, GA.
Where does Dr. Margaret Richardson-Nixon practice?
Dr. Margaret Richardson-Nixon practices at 2225 US Highway 41 N, Tifton, GA 317942749. Office phone: 2293914100.
What is Dr. Margaret Richardson-Nixon's NPI?
Dr. Margaret Richardson-Nixon's National Provider Identifier (NPI) is 1225033921, issued by NPPES.
Does Dr. Margaret Richardson-Nixon accept Medicare assignment?
Yes. Dr. Margaret Richardson-Nixon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.