Registry data as of Aug 27, 2026

Donna McMahan, RN MSN FNP

Family Medicine Physician · Portland, TX

Donna McMahan, RN MSN FNP is a family medicine physician with a practice address in Portland, Texas, and NPI 1629184023, issued on Aug 21, 2006. Check the license (Texas 518553, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1629184023
Name
Donna McMahan
Credential
RN MSN FNP
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
518553 TX
Self-reported in NPPES; status is on the state search
Practice location
2413 Memorial Pkwy, Portland, TX 78374
Phone
(361) 643-4546
Enumerated
Aug 21, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2413 Memorial Pkwy

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

  1. Kerrie Baker, FNPFamily Nurse Practitioner1326431024
  2. David BenitezInternal Medicine Physician1396495818
  3. Avegiyel Dunn, DOFamily Medicine Physician1417224338
  4. Micah Flores, NPFamily Nurse Practitioner1003790569
  5. Morgan Gawlik Reyes, FNP-BCFamily Nurse Practitioner1629757141
  6. Marissa Leal, APRN FNP-CEndocrinology, Diabetes & Metabolism Physician1265071260

Verify Donna McMahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license 518553
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

96% fewer Medicare Part D claims than the average family medicine physician in 2024

135 Medicare Part D claims for 50 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Donna McMahan135
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium22 claims
  2. Metformin Hcl12 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.

9 family medicine physician records list a Portland practice address

They are 9 of the 189 NPPES records with a Portland practice address, and 10,592 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. Syed Abbas, M.D.Houston, TX1821267477
  10. Lisa Abbott, M.D.Mansfield, TX1700847779

Common questions

What is Donna McMahan, RN MSN FNP's NPI number?

Donna McMahan, RN MSN FNP's National Provider Identifier (NPI) is 1629184023, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donna McMahan, RN MSN FNP located?

The NPPES record lists a practice address at 2413 Memorial Pkwy, Portland, TX, 78374. Phone: (361) 643-4546. Providers update this record themselves, so call before visiting.

How can I verify Donna McMahan, RN MSN FNP's license?

NPPES lists Texas license number 518553, 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 Donna McMahan, RN MSN FNP prescribe under Medicare Part D?

In 2024, Donna McMahan, RN MSN FNP had 135 Medicare Part D claims for 50 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.