NPPES file of Aug 9, 2026

Douglas Szeto, M.D.

Family Medicine Physician · Houston, TX

Douglas Szeto, M.D. is a family medicine physician with a practice address in Houston, Texas, and NPI 1508018516, issued on Oct 21, 2008. Check the license (Texas N1912, 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
1508018516
Name
Douglas Szeto
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
N1912 TX
Self-reported in NPPES; status is on the state search
Practice location
2727 W Holcombe Blvd, Houston, TX 77025
Phone
(713) 442-0000
Enumerated
Oct 21, 2008
Record last updated
Mar 2, 2022
Medicaid IDs
204896902 TX
204896903 TX
204896904 TX
Medicare enrollment
Enrolled (PECOS I20090814000337); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2005
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 2727 W Holcombe Blvd

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

  1. Kanza Abbas, M.D.Hematology & Oncology Physician1396065934
  2. Lena Abraham, CRNACertified Registered Nurse Anesthetist1780003053
  3. Amy AcostaPharmacist1154786838
  4. George Adesina, M.D.Cardiovascular Disease Physician1457642647
  5. Donald Aga, MDInternal Medicine Physician1093749103
  6. Fayyaz Ahmed, MDRheumatology Physician1669435996

Verify Douglas Szeto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N1912
    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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65% fewer Medicare Part D claims than the average family medicine physician in 2024

1,256 Medicare Part D claims for 208 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Douglas Szeto1,256
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium115 claims
  2. Amlodipine Besylate95 claims
  3. Levothyroxine Sodium51 claims
  4. Lisinopril40 claims
  5. Gabapentin38 claims
  6. Losartan Potassium36 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.

Bills Medicare through one group practice

  1. Kelsey-Seybold Medical Group, PLLCHouston, TX

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

Douglas Szeto among 11,119 family medicine physician records in Texas

Douglas Szeto, M.D. is one of 11,119 family 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 2008, is newer than 55% of them.

  • NPI issued2008 · 55% of these records are older, 41% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2005 · median 2004 among the 7,095 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,123 family medicine physician records list a practice address in Houston

They are 1,123 of the 61,221 NPPES records with a practice address in Houston, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Rhonda Barnes Jordan, M.DHouston, TX 770251548213937
  2. Ajit Dwivedi, DOHouston, TX 770251659387447
  3. Sunday Fadulu, MDHouston, TX 770251437237450
  4. Troy Fiesinger, M.D.Houston, TX 770251245347541
  5. Lisa Hauser, MDHouston, TX 770251700972080
  6. Farheen Khan, MDHouston, TX 770251558396432
  7. Rolf Montalvo Chen, M.D.Houston, TX 770251811006539
  8. Timothy Nguyen, MDHouston, TX 770251649349622

Common questions

What is Douglas Szeto, M.D.'s NPI number?

Douglas Szeto, M.D.'s National Provider Identifier (NPI) is 1508018516, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Szeto, M.D. located?

The NPPES record lists a practice address at 2727 W Holcombe Blvd, Houston, TX, 77025. Phone: (713) 442-0000. Providers update this record themselves, so call before visiting.

How can I verify Douglas Szeto, M.D.'s license?

NPPES lists Texas license number N1912, 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 Douglas Szeto, M.D. prescribe under Medicare Part D?

In 2024, Douglas Szeto, M.D. had 1,256 Medicare Part D claims for 208 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.