Marietta De Guzman, MD
Pediatric Rheumatology Physician · Houston, TX
Marietta De Guzman, MD is a pediatric rheumatology physician with a practice address in Houston, Texas, and NPI 1588744924, issued on Oct 17, 2006. Check the license (Texas L4325, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marietta De Guzman
- Credential
- MD
- Primary taxonomy
- Pediatric Rheumatology Physician 2080P0216X
- License number
- L4325 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6701 Fannin St, Houston, TX 77030
- Phone
- (832) 824-3800
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (832) 825-3889
- Medicaid ID
- 150102501 TX
- Entity
- Type 1 · individual
Also registered at 6701 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Abelt, CPNPNurse Practitioner1780764043
- Farida Abid, MDPediatrics Physician1629007588
- Hani Abou Hatab, M.DPediatric Infectious Diseases Physician1922450782
- Amy Acosta, PHDPsychologist1265720700
- Ansley Adams, NNPNurse Practitioner1144015157
- Diana Adeleke, LCSWClinical Social Worker1720621683
Verify Marietta De Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $137.37
5 payments; by number, the most common kind was food and beverage; the largest payer was Surmodics, Inc. The 185 providers of this specialty with any payment received $2,646.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Pediatric Rheumatology Physician providers in Texas
There are 40 pediatric rheumatology physician records in Texas.
Other pediatric rheumatology physician records in Texas
- Hannah Bradfield, D.O.Houston, TX1033568951
- Monica Bray, M.D.Houston, TX1831578715
- Ruy Carrasco, MDAustin, TX1063478154
- Ivan Chinn, M.D.Houston, TX1962670232
- Kristina Ciaglia, MDDallas, TX1316430572
- Esraa Eloseily, MBBS, MDDallas, TX1255823712
- Julie Fuller, MDDallas, TX1518158112
- Miriah Gillispie-Taylor, MDHouston, TX1457627283
- Dawn Gist, MDHouston, TX1306423793
- Mark Gorelik, MDSan Antonio, TX1245459551
Common questions
What is Marietta De Guzman, MD's NPI number?
Marietta De Guzman, MD's National Provider Identifier (NPI) is 1588744924, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marietta De Guzman, MD located?
The NPPES record lists a practice address at 6701 Fannin St, Houston, TX, 77030. Phone: (832) 824-3800. Providers update this record themselves, so call before visiting.
How can I verify Marietta De Guzman, MD's license?
NPPES lists Texas license number L4325, 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.