NPPES file of Aug 9, 2026

Mark Wilson Clancy, PA

Physician Assistant · Brenham, TX

Mark Wilson Clancy, PA is a physician assistant with a practice address in Brenham, Texas, and NPI 1609507334, issued on Jun 22, 2022. Check the license (Texas PA17808, as entered in NPPES) with the Texas board that licenses this profession; 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
1609507334
Name
Mark Wilson Clancy
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA17808 TX
Self-reported in NPPES; status is on the state search
Practice location
110 Highway 290 W, Brenham, TX 77833
Phone
(979) 830-5584
Enumerated
Jun 22, 2022
Record last updated
Oct 9, 2024
Fax
(979) 277-7100
Medicare enrollment
Enrolled (PECOS I20240515004149); 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 110 Highway 290 W

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

  1. Kelly McDonald, M.D.Family Medicine Physician1073572624
  2. Sara Mehrens, PA-CFamily Medicine Physician1952220121

Verify Mark Wilson Clancy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license PA17808
    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
Find the Texas license search

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51% fewer Medicare Part D claims than the average physician assistant in 2024

404 Medicare Part D claims for 159 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Mark Clancy404
  2. Specialty average830

Most prescribed

  1. Doxycycline Monohydrate31 claims
  2. Prednisone27 claims
  3. Albuterol Sulfate Hfa24 claims
  4. Azithromycin18 claims
  5. Lisinopril17 claims
  6. Cephalexin12 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.

Bills Medicare through one group practice

  1. St Joseph Regional Health CenterBrenham, TX

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

Mark Wilson Clancy among 10,999 physician assistant records in Texas

Mark Wilson Clancy, PA is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 74% of them.

  • NPI issued2022 · 74% of these records are older, 18% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2023 · median 2017 among the 6,096 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 physician assistant records list a practice address in Brenham

They are 11 of the 305 NPPES records with a practice address in Brenham, and 10,999 physician assistant records in Texas.

The 8 physician assistant records with the nearest ZIP codes

  1. Linda Aldama, PABrenham, TX 778331427200278
  2. Katherine Alford, PA-CBrenham, TX 778331063699866
  3. Mark Asmussen, P.A.Brenham, TX 778331134427602
  4. Matthew Boutte, PA-C, MPASBrenham, TX 778331457589558
  5. Dan Davis, PA-CBrenham, TX 778331942224852
  6. Kristin Krenek, PA-CBrenham, TX 778331922200914
  7. Michelle Kuhn, PA-CBrenham, TX 778331316961246
  8. Kristen Meaders, PA-CBrenham, TX 778331356451819

Common questions

What is Mark Wilson Clancy, PA's NPI number?

Mark Wilson Clancy, PA's National Provider Identifier (NPI) is 1609507334, issued on Jun 22, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mark Wilson Clancy, PA located?

The NPPES record lists a practice address at 110 Highway 290 W, Brenham, TX, 77833. Phone: (979) 830-5584. Providers update this record themselves, so call before visiting.

How can I verify Mark Wilson Clancy, PA's license?

NPPES lists Texas license number PA17808, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Wilson Clancy, PA prescribe under Medicare Part D?

In 2024, Mark Wilson Clancy, PA had 404 Medicare Part D claims for 159 beneficiaries; the average among physician assistant prescribers was 830. 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.