Matthew Eric Walser, MD
Internal Medicine Physician · Dallas, TX
Matthew Eric Walser, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1861138307, issued on May 9, 2022. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Eric Walser
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125080504 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6201 Harry Hines Blvd, Dallas, TX 75235
- Phone
- (121) 463-3555
- Enumerated
- May 9, 2022
- Record last updated
- Jun 5, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6201 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Eric Walser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,022 Medicare Part D claims for 118 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium84 claims
- Amlodipine Besylate35 claims
- Rosuvastatin Calcium35 claims
- Gabapentin29 claims
- Lisinopril28 claims
- Famotidine27 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.
Matthew Eric Walser among 9,175 internal medicine physician records in Texas
Matthew Eric Walser, MD 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 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 5% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2025 · 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).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jean Akpan, M.D.Dallas, TX 752351750389599
- Ruben Amarasingham, M.D.Dallas, TX 752351831154921
- Abimbola Awodipe, MDDallas, TX 752351508833203
- Lydia Bazzano, MDDallas, TX 752351083705768
- Carol Croft, MDDallas, TX 752351558321448
- Ricardo Diaz, MDDallas, TX 752351427017540
- Waymon Drummond, M.D.Dallas, TX 752351659310597
- Michielle Fisher, MDDallas, TX 752351548243538
Common questions
What is Matthew Eric Walser, MD's NPI number?
Matthew Eric Walser, MD's National Provider Identifier (NPI) is 1861138307, issued on May 9, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Eric Walser, MD located?
The NPPES record lists a practice address at 6201 Harry Hines Blvd, Dallas, TX, 75235. Phone: (121) 463-3555. Providers update this record themselves, so call before visiting.
How can I verify Matthew Eric Walser, MD's license?
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 Matthew Eric Walser, MD prescribe under Medicare Part D?
In 2024, Matthew Eric Walser, MD had 1,022 Medicare Part D claims for 118 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.