NPPES file of Aug 9, 2026

Charles Michael Zaremba, M.D.

Anatomic Pathology & Clinical Pathology Physician · McAllen, TX

Charles Michael Zaremba, M.D. is an anatomic pathology & clinical pathology physician with a practice address in McAllen, Texas, and NPI 1750580833, issued on Jul 17, 2007. Check the license (Texas N9990, 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
1750580833
Name
Charles Michael Zaremba
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
N9990 TX
Self-reported in NPPES; status is on the state search
Practice location
301 W Expressway 83, McAllen, TX 78503
Phone
(214) 708-1173
Enumerated
Jul 17, 2007
Record last updated
Jun 22, 2026
Medicare enrollment
Enrolled (PECOS I20120821000366); accepts Medicare assignment
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 301 W Expressway 83

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

  1. Bassent AbdelbaryStudent in an Organized Health Care Education/Training Program1073369096
  2. Waseem Abu ObeidaStudent in an Organized Health Care Education/Training Program1265288369
  3. Roaa Aggad, MDStudent in an Organized Health Care Education/Training Program1003755174
  4. Claudia Akcoban, M.D.Family Medicine Physician1245626837
  5. Farah Al-Ghzawi, MDStudent in an Organized Health Care Education/Training Program1114774890
  6. Mustafa Alfarwati, MDStudent in an Organized Health Care Education/Training Program1689514333

Verify Charles Michael Zaremba in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9990
    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 2 group practices

  1. Mcallen Hospitalist Group PLLCMcAllen, TX
  2. Mid-Valley Pathology PLLCBrownsville, TX

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

Charles Michael Zaremba among 1,424 anatomic pathology & clinical pathology physician records in Texas

Charles Michael Zaremba, 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
  • Graduated2007 · median 2001 among the 864 with a school on file
  • Record last updated2026 · 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. Antonio Alvarez-Mendoza, MDMcAllen, TX 785031487622189
  2. Shane Sweeney, MDMcAllen, TX 785031699161356
  3. Jose Valencia, M.D.McAllen, TX 785031285664755
  4. Miguel Sanchez, M.D.McAllen, TX 785041528152204
  5. Luis Garcia, MDBrownsville, TX 785201417991324
  6. Steven Toller, M.D.Harlingen, TX 785201245592732
  7. Ana Gutierrez, M.D.Brownsville, TX 785261184685562
  8. Walter Connor, MDEdinburg, TX 785391194012997

Common questions

What is Charles Michael Zaremba, M.D.'s NPI number?

Charles Michael Zaremba, M.D.'s National Provider Identifier (NPI) is 1750580833, issued on Jul 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charles Michael Zaremba, M.D. located?

The NPPES record lists a practice address at 301 W Expressway 83, McAllen, TX, 78503. Phone: (214) 708-1173. Providers update this record themselves, so call before visiting.

How can I verify Charles Michael Zaremba, M.D.'s license?

NPPES lists Texas license number N9990, 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.