Doctor profile · Federal record

Dr. Clayton Flanary, DO

Internal Medicine Physician (CMS: Internal Medicine) · Tulsa, OK

  • NPI 1740215680
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10109 E 79Th St
Tulsa, OK 741334682
(918) 233-9550
fax (918) 216-8095

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 8, 2025
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oklahoma #3190
Medicaid
OK #100126360A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740215680. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
351
Distinct HCPCS
10
Medicare allowed
$23,376
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 78 53 $7
81002 Urinalysis, manual test 67 38 $3
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 54 54 $171
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 45 22 $38
45380 Biopsy of large bowel using a flexible endoscope 27 27 $169
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 13 $129
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 15 14 $48
81003 Automated urinalysis test 14 12 $2
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 12 12 $92
45378 Diagnostic exam of large bowel using a flexible endoscope 12 12 $154

In context: peer comparison

Among 103 peers in Tulsa Internal Medicine Physician, average services per provider: 138. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$249
Transactions
16
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 5 $76.98
AstraZeneca Pharmaceuticals Lp 4 $65.35
Exact Sciences Corporation 2 $32.20
Pfizer INC. 2 $29.57
Dexcom, INC. 1 $15.51
Novo Nordisk INC 1 $15.02
GlaxoSmithKline, LLC. 1 $13.92

By nature of payment

Food and Beverage
$249

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,761
Patients
1,216
Total drug cost
$64,401
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 499 126 $8,367
Lisinopril Generic 462 125 $4,737
Amlodipine Besylate Generic 441 112 $3,716
Gabapentin Generic 426 111 $7,707
Omeprazole Generic 389 99 $5,683
Levothyroxine Sodium Generic 324 85 $3,526
Pantoprazole Sodium Generic 311 74 $4,940
Metoprolol Tartrate Generic 279 72 $1,836
Metformin Hcl Generic 262 67 $2,493
Losartan Potassium Generic 239 61 $3,252

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clayton Flanary's medical specialty?
Dr. Clayton Flanary practices Internal Medicine Physician in Tulsa, OK.
Where does Dr. Clayton Flanary practice?
Dr. Clayton Flanary practices at 10109 E 79Th St, Tulsa, OK 741334682. Office phone: 9182339550.
What is Dr. Clayton Flanary's NPI?
Dr. Clayton Flanary's National Provider Identifier (NPI) is 1740215680, issued by NPPES.
Does Dr. Clayton Flanary accept Medicare assignment?
Yes. Dr. Clayton Flanary accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clayton Flanary commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Urinalysis, manual test (HCPCS 81002); Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (HCPCS G0121). Source: CMS Medicare Physician & Other Practitioners file.