Doctor profile · Federal record

Dr. Mark McClanahan, D.O.

Family Medicine Physician (CMS: Family Practice) · Plainview, TX

  • NPI 1750377198
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1806 Quincy St
Plainview, TX 790724206
(806) 288-7891
fax (806) 288-7920

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
May 26, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #H4531
Medicaid (5)
TX #140688601 · TX #143179307 · TX #143179308 · TX #133737005 · TX #143179310

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750377198. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$106
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $73.27
Novo Nordisk Inc 1 $17.04
ABBVIE INC. 1 $15.83

By nature of payment

Food and Beverage
$106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,686
Patients
852
Total drug cost
$40,215
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 357 101 $5,317
Atorvastatin Calcium Generic 302 100 $4,203
Lisinopril Generic 255 77 $2,597
Metformin Hcl Generic 230 76 $2,634
Amlodipine Besylate Generic 194 66 $1,796
Gabapentin Generic 187 56 $4,503
Omeprazole Generic 164 60 $2,813
Pantoprazole Sodium Generic 147 44 $2,618
Tramadol Hcl Generic 142 53 $914
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 140 42 $1,630

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark McClanahan's medical specialty?
Dr. Mark McClanahan practices Family Medicine Physician in Plainview, TX.
Where does Dr. Mark McClanahan practice?
Dr. Mark McClanahan practices at 1806 Quincy St, Plainview, TX 790724206. Office phone: 8062887891.
What is Dr. Mark McClanahan's NPI?
Dr. Mark McClanahan's National Provider Identifier (NPI) is 1750377198, issued by NPPES.
Does Dr. Mark McClanahan accept Medicare assignment?
Yes. Dr. Mark McClanahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.