NPPES file of Aug 9, 2026

Tamara R. Callis, MD

Pediatrics Physician · Houston, TX

Tamara R. Callis, MD is a pediatrics physician with a practice address in Houston, Texas, and NPI 1952588931, issued on Jan 22, 2008. Check the license (Texas M8570, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952588931
Name
Tamara R. Callis
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
M8570 TX
Self-reported in NPPES; status is on the state search
Practice location
3601 N Macgregor Way, Houston, TX 77004
Phone
(713) 873-4700
Enumerated
Jan 22, 2008
Record last updated
Sep 16, 2024
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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Also registered at 3601 N Macgregor Way

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

  1. Zachary Beauchamp, DPTOrthopedic Physical Therapist1508465063
  2. Dominique Brewster, PHARM D, BCPSPharmacotherapy Pharmacist1639628746
  3. Florence Brown, OTRHand Occupational Therapist1972718419
  4. Amy Cao, M.D.Physical Medicine & Rehabilitation Physician1205181401
  5. Martin Castaneda Solorzano, PT, DPTNeurology Physical Therapist1366954752
  6. Allison Clark, PHDClinical Neuropsychologist1386057727

Verify Tamara R. Callis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M8570
    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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Industry payments in 2024: $16.60

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tamara Callis$16.60
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

1,038 pediatrics physician records list a practice address in Houston

They are 1,038 of the 61,221 NPPES records with a practice address in Houston, and 5,641 pediatrics physician records in Texas.

Other pediatrics physician records in Texas

  1. Mehreen Abbas, MDCorpus Christi, TX1740850767
  2. Rashida Abbas, M.D.Cypress, TX1740222371
  3. Umair Abbas, M.D.Corpus Christi, TX1417335654
  4. James Abbott, MDWebster, TX1518065846
  5. Khuzam Abdalla, M.DAbilene, TX1174769137
  6. Bayan Abdallah, M.DDallas, TX1790137628
  7. Waleed AbdelhafezAustin, TX1801230073
  8. Ahmed Abdin, M.DHouston, TX1427481449
  9. Jareatha Abdul-Raheem, MDJbsa Lackland, TX1790322485
  10. Khadijah Abdurrazaq, M.D, FAAPMidland, TX1336304120

Common questions

What is Tamara R. Callis, MD's NPI number?

Tamara R. Callis, MD's National Provider Identifier (NPI) is 1952588931, issued on Jan 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tamara R. Callis, MD located?

The NPPES record lists a practice address at 3601 N Macgregor Way, Houston, TX, 77004. Phone: (713) 873-4700. Providers update this record themselves, so call before visiting.

How can I verify Tamara R. Callis, MD's license?

NPPES lists Texas license number M8570, 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.