Doctor profile · Federal record

Dr. Mary Clarke, MD

Family Medicine Physician (CMS: Family Practice) · Stillwater, OK

  • NPI 1194839589
  • Accepts Medicare
  • MIPS 89.6 / 100 · 2023
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1815 W 6Th Ave
Stillwater, OK 740744202
(405) 743-7300
fax (405) 743-7398

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 27, 2008
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #L8314
Medicaid
TX #1730673 01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194839589. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,114
Distinct HCPCS
10
Medicare allowed
$150,786
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 453 260 $118
77080 Dxa bone density measurement of hip, pelvis, spine 413 411 $14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 242 242 $121
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 127 17 $59
J1100 Injection, dexamethasone sodium phosphate, 1 mg 122 13 $0
99213 Established patient office or other outpatient visit, 20-29 minutes 114 92 $85
G0008 Administration of influenza virus vaccine 81 81 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 70 70 $75
77063 Screening 3d breast mammography 69 69 $21
77067 Screening mammography 69 69 $81

In context: peer comparison

Among 7 peers in this city , average services per provider: 112. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $19.04

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,010
Patients
520
Total drug cost
$29,965
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 319 71 $5,272
Levothyroxine Sodium Generic 235 57 $2,512
Lisinopril Generic 227 51 $2,184
Omeprazole Generic 180 47 $2,679
Simvastatin Generic 123 31 $1,481
Furosemide Generic 122 39 $762
Metoprolol Succinate Generic 118 27 $1,749
Citalopram Hbr (Citalopram Hydrobromide) Brand 95 24 $827
Metformin Hcl Generic 92 30 $735
Amlodipine Besylate Generic 91 26 $868

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Clarke's medical specialty?
Dr. Mary Clarke practices Family Medicine Physician in Stillwater, OK.
Where does Dr. Mary Clarke practice?
Dr. Mary Clarke practices at 1815 W 6Th Ave, Stillwater, OK 740744202. Office phone: 4057437300.
What is Dr. Mary Clarke's NPI?
Dr. Mary Clarke's National Provider Identifier (NPI) is 1194839589, issued by NPPES.
Does Dr. Mary Clarke accept Medicare assignment?
Yes. Dr. Mary Clarke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Clarke commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.