Gladys C. Weng, D.O.
Internal Medicine Physician · Austin, TX
Gladys C. Weng, D.O. is an internal medicine physician with a practice address in Austin, Texas, and NPI 1225094121, issued on Apr 21, 2006. Check the license (Texas M2868, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gladys C. Weng
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M2868 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4419 Frontier Trl, Austin, TX 78745
- Phone
- (512) 654-8100
- Enumerated
- Apr 21, 2006
- Record last updated
- May 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20060120000803); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 4419 Frontier Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gladys C. Weng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M2868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,677 Medicare Part D claims for 267 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 15 claims were for opioids.
Most prescribed
- Levothyroxine Sodium190 claims
- Rosuvastatin Calcium172 claims
- Amlodipine Besylate135 claims
- Atorvastatin Calcium119 claims
- Metformin Hcl77 claims
- Losartan Potassium72 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.
Industry payments in 2024: $28.60
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Scott And White ClinicBaylor Scott & White Clin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gladys C. Weng among 9,175 internal medicine physician records in Texas
Gladys C. Weng, 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
- Graduated1998 · median 2004 among the 6,088 with a school on file
- Record last updated2026 · 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.
All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Boysen, M.D.Austin, TX 787451699779330
- Isaac Chitrit, MDSunset Valley, TX 787451144200403
- Steven Dobberfuhl, MDAustin, TX 787451932105400
- Alejandra Garza, M.D.Sunset Valley, TX 787451538503172
- Diana Horton, MDAustin, TX 787451467432880
- Shahab Hyder, MDSunset Valley, TX 787451033355987
- Linda Isaacs, M.D.Austin, TX 787451629079439
- Allen Sonstein, MDAustin, TX 787451831194489
Common questions
What is Gladys C. Weng, D.O.'s NPI number?
Gladys C. Weng, D.O.'s National Provider Identifier (NPI) is 1225094121, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gladys C. Weng, D.O. located?
The NPPES record lists a practice address at 4419 Frontier Trl, Austin, TX, 78745. Phone: (512) 654-8100. Providers update this record themselves, so call before visiting.
How can I verify Gladys C. Weng, D.O.'s license?
NPPES lists Texas license number M2868, 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 Gladys C. Weng, D.O. prescribe under Medicare Part D?
In 2024, Gladys C. Weng, D.O. had 2,677 Medicare Part D claims for 267 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.