NPPES file of Aug 9, 2026

Rodolfo J. Walss, M.D.

Obstetrics Physician · Brownsville, TX

Rodolfo J. Walss, M.D. is an obstetrics physician with a practice address in Brownsville, Texas, and NPI 1184683104, issued on Mar 20, 2006. Check the license (Texas J1423, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184683104
Name
Rodolfo J. Walss
Credential
M.D.
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
J1423 TX
Self-reported in NPPES; status is on the state search
Practice location
4770 N Expressway, Brownsville, TX 78526
Phone
(956) 350-0838
Enumerated
Mar 20, 2006
Record last updated
Jun 3, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(956) 350-2141
Medicaid ID
132572207 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics physician records → All 103 in Texas → Look up another NPI →

Also registered at 4770 N Expressway

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

  1. Luis Gaitan, M.D.Neurology Physician1275605974
  2. Juan Galvan, P.A.C.Physician Assistant1659604619
  3. Chi Nguyen, MDOtolaryngology Physician1447324785
  4. Regina Ortiz, PA-CMedical Physician Assistant1073844171

Verify Rodolfo J. Walss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J1423    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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Rodolfo J. Walss among 103 obstetrics physician records in Texas

Rodolfo J. Walss, M.D. is one of 103 obstetrics physician records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 61% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2008 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics Physician providers in Texas

There are 103 obstetrics physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 103 in Texas → Every provider in Brownsville → Obstetrics Physician nationwide →

The 8 obstetrics physician records with the nearest ZIP codes

  1. Orlando Ramirez, M.D.Brownsville, TX 785201851687339
  2. Laura Fonseca, MDMcAllen, TX 785041861879447
  3. Hearther Daley, M.D.McAllen, TX 785031821065038
  4. Jeselle Mathews, M.D.Mission, TX 785721730368879
  5. Crystal Caballero, MSN, FNP-BCWeslaco, TX 785961750068334
  6. Mona Mallikarjunaiah, MD.Weslaco, TX 785961205082385
  7. Chharitha Veerapaneni, MDCedar Park, TX 786131972166288
  8. Robert Sorenson, MDCorpus Christi, TX 784191720062292

Common questions

What is Rodolfo J. Walss, M.D.'s NPI number?

Rodolfo J. Walss, M.D.'s National Provider Identifier (NPI) is 1184683104, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rodolfo J. Walss, M.D. located?

The NPPES record lists a practice address at 4770 N Expressway, Brownsville, TX, 78526. Phone: (956) 350-0838. Providers update this record themselves, so call before visiting.

How can I verify Rodolfo J. Walss, M.D.'s license?

NPPES lists Texas license number J1423, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.