NPPES file of Aug 9, 2026

Chia Arif, M.D.

Internal Medicine Physician · Houston, TX

Chia Arif, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1205455581, issued on Apr 15, 2020. Check the license (Texas W4413, 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
1205455581
Name
Chia Arif
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
W4413 TX
ME165691 FL
Self-reported in NPPES; status is on the state search
Practice location
6363 San Felipe St Ste 150, Houston, TX 77057
Phone
(713) 798-2500
Enumerated
Apr 15, 2020
Record last updated
Apr 6, 2026
Medicare enrollment
Enrolled (PECOS I20240226004173); 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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Verify Chia Arif in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license W4413
    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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25% more Medicare Part D claims than the average internal medicine physician in 2024

3,958 Medicare Part D claims for 479 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 81 claims were for opioids.

  1. Chia Arif3,958
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium325 claims
  2. Losartan Potassium182 claims
  3. Amlodipine Besylate167 claims
  4. Metformin Hcl151 claims
  5. Ozempic123 claims
  6. Lisinopril121 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. Metro Health IncOrlando, FL

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

Chia Arif among 9,175 internal medicine physician records in Texas

Chia Arif, 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. Its NPI, issued in 2020, is newer than 85% of them.

  • NPI issued2020 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1999 · median 2004 among the 6,088 with a school on file
  • Record last updated2026 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. J. Xavier Castillo, MDHouston, TX 770571720013501
  2. Jamise Crooms, M.D.Houston, TX 770571104269810
  3. Thomas Doneker, MDHouston, TX 770571902909104
  4. George Katei, M.D.Houston, TX 770571992701346
  5. Angel Rodriguez, M.D.Houston, TX 770571609804046
  6. Kathleen Ryan, MDHouston, TX 770571164518346
  7. Patricia Salvato, M.D.Houston, TX 770571043218845
  8. Maya Sarihan, MDHouston, TX 770571588307771

Common questions

What is Chia Arif, M.D.'s NPI number?

Chia Arif, M.D.'s National Provider Identifier (NPI) is 1205455581, issued on Apr 15, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Chia Arif, M.D. located?

The NPPES record lists a practice address at 6363 San Felipe St Ste 150, Houston, TX, 77057. Phone: (713) 798-2500. Providers update this record themselves, so call before visiting.

How can I verify Chia Arif, M.D.'s license?

NPPES lists Texas license number W4413, 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 Chia Arif, M.D. prescribe under Medicare Part D?

In 2024, Chia Arif, M.D. had 3,958 Medicare Part D claims for 479 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.