NPPES file of Aug 9, 2026

Marcus Leroy Guice, M.D.

Internal Medicine Physician · Houston, TX

Marcus Leroy Guice, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1053685495, issued on Mar 2, 2012. Check the license (Texas F-4032, 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
1053685495
Name
Marcus Leroy Guice
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
F-4032 TX
Self-reported in NPPES; status is on the state search
Practice location
1200 Baker St, Houston, TX 77002
Phone
(713) 755-9202
Enumerated
Mar 2, 2012
Record last updated
Mar 2, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(713) 755-1246
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 internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Also registered at 1200 Baker St

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

  1. Kingsley AgbontaenPsychiatric/Mental Health Nurse Practitioner1003777509
  2. Jonvile Brown, PSYDPsychologist1912794587
  3. David Genac, PH.D.Counseling Psychologist1114143054
  4. Melissa Gillis-Reid, LPCProfessional Counselor1447128236
  5. Emily He, LPCMental Health Counselor1811459845
  6. Michelle McCray, APNPFamily Nurse Practitioner1164563615

Verify Marcus Leroy Guice in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F-4032    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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Marcus Leroy Guice among 9,175 internal medicine physician records in Texas

Marcus Leroy Guice, M.D. is one of 9,175 internal 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 not. Its NPI, issued in 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 34% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2012 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,488 internal medicine physician records list a practice address in Houston

They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Keith Aldinger, M.D. MBRHouston, TX 770021235116633
  2. Raymond Alexander, MD PAHouston, TX 770021609852235
  3. Jennifer Johnson-Caldwell, MDHouston, TX 770021093711269
  4. Luda Kamenetsky, M.D.Houston, TX 770021447235502
  5. Chok Lee, M.D.Houston, TX 770021568416212
  6. Dan Lotan, MDHouston, TX 770021801882923
  7. Deborah McCoy, MDHouston, TX 770021649387002
  8. Shreekant Patolia, MDHouston, TX 770021689692477

Common questions

What is Marcus Leroy Guice, M.D.'s NPI number?

Marcus Leroy Guice, M.D.'s National Provider Identifier (NPI) is 1053685495, issued on Mar 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Marcus Leroy Guice, M.D. located?

The NPPES record lists a practice address at 1200 Baker St, Houston, TX, 77002. Phone: (713) 755-9202. Providers update this record themselves, so call before visiting.

How can I verify Marcus Leroy Guice, M.D.'s license?

NPPES lists Texas license number F-4032, 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.