NPPES file of Aug 9, 2026

David B. Udall, MD

Family Medicine Physician · Junction, TX

David B. Udall, MD is a family medicine physician with a practice address in Junction, Texas, and NPI 1013123165, issued on May 15, 2007. Check the license (Texas M4971, 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
1013123165
Name
David B. Udall
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
M4971 TX
45537 CO
Self-reported in NPPES; status is on the state search
Practice location
109 Reid RD, Junction, TX 76849
Phone
(325) 446-3305
Enumerated
May 15, 2007
Record last updated
Jan 21, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(325) 446-2257
Medicare enrollment
Enrolled (PECOS I20091113000463); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2006
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 109 Reid RD

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

  1. Jennifer Johnson, PAMedical Physician Assistant1770505943

Verify David B. Udall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M4971
    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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95% fewer Medicare Part D claims than the average family medicine physician in 2024

187 Medicare Part D claims for 110 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 17 claims were for opioids.

  1. David Udall187
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass17 claims
  2. Dexamethasone16 claims
  3. Cephalexin14 claims
  4. Doxycycline Hyclate12 claims
  5. Tramadol 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.

Bills Medicare through 3 group practices

  1. Concord Medical Group OF Texas PLLCLlano, TX
  2. Concord Medical Group PLLCLlano, TX
  3. Lavaca Hospital DistrictHallettsville, TX

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

4 family medicine physician records list a practice address in Junction

They are 4 of the 26 NPPES records with a practice address in Junction, 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 David B. Udall, MD's NPI number?

David B. Udall, MD's National Provider Identifier (NPI) is 1013123165, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David B. Udall, MD located?

The NPPES record lists a practice address at 109 Reid RD, Junction, TX, 76849. Phone: (325) 446-3305. Providers update this record themselves, so call before visiting.

How can I verify David B. Udall, MD's license?

NPPES lists Texas license number M4971, 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 David B. Udall, MD prescribe under Medicare Part D?

In 2024, David B. Udall, MD had 187 Medicare Part D claims for 110 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.