NPPES file of Aug 9, 2026

Rex Alvin De Guzman Paulino, M.D.

Hospice and Palliative Medicine (Family Medicine) Physician · Houston, TX

Rex Alvin De Guzman Paulino, M.D. is a hospice and palliative medicine (family medicine) physician with a practice address in Houston, Texas, and NPI 1063778959, issued on Apr 5, 2012. Check the license (Texas R8457, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063778959
Name
Rex Alvin De Guzman Paulino
Credential
M.D.
Primary taxonomy
Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
License number
R8457 TX
Self-reported in NPPES; status is on the state search
Practice location
6431 Fannin Street, Houston, TX 77030
Phone
(713) 500-6295
Enumerated
Apr 5, 2012
Record last updated
Oct 17, 2024
Fax
(713) 500-0706
Medicare enrollment
Enrolled (PECOS I20181022000776); 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 6431 Fannin Street

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

  1. Kwasi Aboagye, MDStudent in an Organized Health Care Education/Training Program1710673645
  2. Julia Aguirre, DOPediatrics Physician1861027039
  3. Ahmed Ahmed, MDAnatomic Pathology & Clinical Pathology Physician1821762766
  4. Duane Akwar, M.D.Anesthesiology Physician1871842401
  5. Majd Al Shaarani, M.D.Anatomic Pathology & Clinical Pathology Physician1659768695
  6. Iad AlhallakStudent in an Organized Health Care Education/Training Program1962254714

Verify Rex Alvin De Guzman Paulino in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R8457
    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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97% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024

31 Medicare Part D claims for 11 beneficiaries, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Rex Alvin Paulino31
  2. Specialty average1,129

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.2
  2. Costout of 100 · 30%58.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. UT PhysiciansHouston, TX

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

Rex Alvin De Guzman Paulino among 79 hospice and palliative medicine (family medicine) physician records in Texas

Rex Alvin De Guzman Paulino, M.D. is one of 79 hospice and palliative medicine (family medicine) physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 59% of them.

  • NPI issued2012 · 59% of these records are older, 35% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2008 · median 2007 among the 50 with a school on file
  • Record last updated2024 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Family Medicine) Physician providers in Texas

There are 79 hospice and palliative medicine (family medicine) physician records in Texas.

The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes

  1. Yuchieh Chang, D.O.Houston, TX 770301063540904
  2. Phylliss Chappell, M.D.Houston, TX 770301689674699
  3. Elaine De Leon, M.D.Houston, TX 770301194072579
  4. Caroline Ha, M.D.Houston, TX 770301588890115
  5. Rida Khan, MDHouston, TX 770301417451527
  6. Neeti Kothare, DOHouston, TX 770301558898197
  7. Elizabeth Kvale, MDHouston, TX 770301245267616
  8. Ana Leech, M.D.Houston, TX 770301073775607

Common questions

What is Rex Alvin De Guzman Paulino, M.D.'s NPI number?

Rex Alvin De Guzman Paulino, M.D.'s National Provider Identifier (NPI) is 1063778959, issued on Apr 5, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Rex Alvin De Guzman Paulino, M.D. located?

The NPPES record lists a practice address at 6431 Fannin Street, Houston, TX, 77030. Phone: (713) 500-6295. Providers update this record themselves, so call before visiting.

How can I verify Rex Alvin De Guzman Paulino, M.D.'s license?

NPPES lists Texas license number R8457, 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 Rex Alvin De Guzman Paulino, M.D. prescribe under Medicare Part D?

In 2024, Rex Alvin De Guzman Paulino, M.D. had 31 Medicare Part D claims for 11 beneficiaries; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. Part D covers Medicare prescriptions only.

What is Rex Alvin De Guzman Paulino, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.