NPPES file of Aug 9, 2026

Walter Frederick Bierbaum, M.D.

Anatomic Pathology & Clinical Pathology Physician · Fort Worth, TX

Walter Frederick Bierbaum, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Fort Worth, Texas, and NPI 1427252808, issued on Jun 12, 2007. Check the license (Texas M6529, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427252808
Name
Walter Frederick Bierbaum
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
M6529 TX
Self-reported in NPPES; status is on the state search
Practice location
6100 Harris Pkwy, Fort Worth, TX 76132
Phone
(214) 638-2000
Enumerated
Jun 12, 2007
Record last updated
Jan 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(214) 237-1864
Medicare enrollment
Enrolled (PECOS I20140306000729); accepts Medicare assignment
Medical or professional school
University Of Arkansas College Of Medicine, 2001
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 6100 Harris Pkwy

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

  1. Muhammad AhsanInternal Medicine Physician1821452756
  2. Syed AjazInternal Medicine Physician1952006876
  3. Althea Alexis, M.D.Obstetrics & Gynecology Physician1457476939
  4. Babiker AliInternal Medicine Physician1104261619
  5. Sana Ali, MDInternal Medicine Physician1366708968
  6. Ronald Anderson, MDAnesthesiology Physician1548290026

Verify Walter Frederick Bierbaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M6529
    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.

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Bills Medicare through one group practice

  1. Propath Associates PLLCDallas, TX

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

Walter Frederick Bierbaum among 1,424 anatomic pathology & clinical pathology physician records in Texas

Walter Frederick Bierbaum, M.D. is one of 1,424 anatomic pathology & clinical pathology physician records with a practice address in Texas. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 44% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2001 · median 2001 among the 864 with a school on file
  • Record last updated2015 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Texas

There are 1,424 anatomic pathology & clinical pathology physician records in Texas.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. James Buie, M.D.Fort Worth, TX 761321982622668
  2. Rosemary Detweiler, M.D.Fort Worth, TX 761321598783136
  3. Judith Maples, M.D.Fort Worth, TX 761321154342608
  4. Agata Radich, M.D.Fort Worth, TX 761321669880415
  5. Julie Fields, MDFort Worth, TX 761161154379907
  6. Linda Cunningham, M.D.Fort Worth, TX 761071467420539
  7. Stephen Putthoff, D.O.Fort Worth, TX 761071366411431
  8. Stephen Baker, M.D.Fort Worth, TX 761041427224096

Common questions

What is Walter Frederick Bierbaum, M.D.'s NPI number?

Walter Frederick Bierbaum, M.D.'s National Provider Identifier (NPI) is 1427252808, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Walter Frederick Bierbaum, M.D. located?

The NPPES record lists a practice address at 6100 Harris Pkwy, Fort Worth, TX, 76132. Phone: (214) 638-2000. Providers update this record themselves, so call before visiting.

How can I verify Walter Frederick Bierbaum, M.D.'s license?

NPPES lists Texas license number M6529, 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.

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.