NPPES file of Aug 9, 2026

Mark Lee McClanahan, D.O.

Family Medicine Physician · Plainview, TX

Mark Lee McClanahan, D.O. is a family medicine physician with a practice address in Plainview, Texas, and NPI 1750377198, issued on Sep 21, 2005. Check the license (Texas H4531, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750377198
Name
Mark Lee McClanahan
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
H4531 TX
Self-reported in NPPES; status is on the state search
Practice location
1806 Quincy St, Plainview, TX 79072
Phone
(806) 288-7891
Enumerated
Sep 21, 2005
Record last updated
May 26, 2022
Fax
(806) 288-7920
Medicaid IDs
140688601 TX
143179307 TX
143179308 TX
133737005 TX
Medicare enrollment
Enrolled (PECOS I20051229000144); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1806 Quincy St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Muming Chen, M.D.Family Medicine Physician1134567266
  2. Jessica Elkins, MSN, NP-CFamily Nurse Practitioner1568945160
  3. K'Nell Engle, PA-CPhysician Assistant1194153163
  4. Leeann GrimaldoFamily Nurse Practitioner1578441853
  5. Kenneth Horton, M.D.Family Medicine Physician1700934486
  6. Pamela Morgan, FNP-CFamily Nurse Practitioner1568147056

Verify Mark Lee McClanahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H4531
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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53% fewer Medicare Part D claims than the average family medicine physician in 2024

1,650 Medicare Part D claims for 372 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 34 claims were for opioids.

  1. Mark McClanahan1,650
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium89 claims
  2. Atorvastatin Calcium81 claims
  3. Omeprazole75 claims
  4. Lisinopril64 claims
  5. Gabapentin60 claims
  6. Losartan Potassium52 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $106.14

5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark McClanahan$106.14
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Methodist Hospital Plainview TexasPlainview, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

16 family medicine physician records list a practice address in Plainview

They are 16 of the 198 NPPES records with a practice address in Plainview, and 11,119 family medicine physician records in Texas.

Other family medicine physician records in Texas

  1. Srinivasa Aaluri, MDEl Paso, TX1265566509
  2. Maira Aamir, MDShenandoah, TX1932660859
  3. Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
  4. So Abad, MDWichita Falls, TX1184624694
  5. Yoseph AbadiRichardson, TX1700742640
  6. Marcus Abadie, M.D.Athens, TX1104821107
  7. Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
  8. Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
  9. Ahmad Abazid, M.DRichardson, TX1013238401
  10. Syed Abbas, M.D.Houston, TX1821267477

Common questions

What is Mark Lee McClanahan, D.O.'s NPI number?

Mark Lee McClanahan, D.O.'s National Provider Identifier (NPI) is 1750377198, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Lee McClanahan, D.O. located?

The NPPES record lists a practice address at 1806 Quincy St, Plainview, TX, 79072. Phone: (806) 288-7891. Providers update this record themselves, so call before visiting.

How can I verify Mark Lee McClanahan, D.O.'s license?

NPPES lists Texas license number H4531, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Lee McClanahan, D.O. prescribe under Medicare Part D?

In 2024, Mark Lee McClanahan, D.O. had 1,650 Medicare Part D claims for 372 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.