NPPES file of Aug 9, 2026

Edwin Woo, D.O.

Internal Medicine Physician · Austin, TX

Edwin Woo, D.O. is an internal medicine physician with a practice address in Austin, Texas, and NPI 1275640039, issued on Aug 25, 2006. Check the license (Texas H8523, 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
1275640039
Name
Edwin Woo
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
H8523 TX
Self-reported in NPPES; status is on the state search
Practice location
2901 Montopolis Dr, Austin, TX 78741
Phone
(512) 389-6688
Enumerated
Aug 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(512) 389-6665
Medicare enrollment
Enrolled (PECOS I20230405001966); accepts Medicare assignment
Medical or professional school
University Of North Texas Hsc, College Of Osteopathic Med, 1988
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 2901 Montopolis Dr

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

  1. Judy Abrahamson, M.A., CCC/AAudiologist1811926892
  2. Johana Acuna, LCSWClinical Social Worker1801515978
  3. Brandon Altillo, MD, MPHInternal Medicine Physician1013282375
  4. Sean AlventosaFamily Medicine Physician1417704818
  5. Cayce Anderson, RN, FNP-BCFamily Nurse Practitioner1487162038
  6. Catharine Ashe, NP-CFamily Nurse Practitioner1043731029

Verify Edwin Woo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H8523
    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. Total MD Physicians Group, PLLCAustin, TX

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

Edwin Woo among 9,175 internal medicine physician records in Texas

Edwin Woo, D.O. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1988 · median 2004 among the 6,088 with a school on file
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

606 internal medicine physician records list a practice address in Austin

They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Brandon Altillo, MD, MPHAustin, TX 787411013282375
  2. June Chatterjee, M.D.Austin, TX 787411851311823
  3. Anne Cioletti, MDAustin, TX 787411447414487
  4. Abraham Delgado, M.D.Austin, TX 787411861567653
  5. Andrew Gorchs, M.D.Austin, TX 787411851302806
  6. Rhonda Gudewich, M.D.Austin, TX 787411144231366
  7. Brian Lengel, M.D.Austin, TX 787411831208040
  8. Michael Martin, MDAustin, TX 787411811197551

Common questions

What is Edwin Woo, D.O.'s NPI number?

Edwin Woo, D.O.'s National Provider Identifier (NPI) is 1275640039, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Edwin Woo, D.O. located?

The NPPES record lists a practice address at 2901 Montopolis Dr, Austin, TX, 78741. Phone: (512) 389-6688. Providers update this record themselves, so call before visiting.

How can I verify Edwin Woo, D.O.'s license?

NPPES lists Texas license number H8523, 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.