Allan K. Phuah, M.D.
Internal Medicine Physician · Houston, TX
Allan K. Phuah, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1134258460, issued on Mar 4, 2007. Check the license (Texas K4774, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Allan K. Phuah
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K4774 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5555 San Felipe St, Houston, TX 77056
- Phone
- (713) 622-9900
- Enumerated
- Mar 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 5555 San Felipe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naueen Safdar, M.D.Internal Medicine Physician1730371980
Verify Allan K. Phuah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K4774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
27 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Allan K. Phuah among 9,175 internal medicine physician records in Texas
Allan K. Phuah, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 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.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aaron Fradkin, MDHouston, TX 770561477583961
- William Manuel, MDHouston, TX 770561992780118
- Maggy Mata, M.D.Houston, TX 770561891115895
- John Ott, M.D.Houston, TX 770561841342912
- Vivian Pugh, MDHouston, TX 770561932307253
- Naueen Safdar, M.D.Houston, TX 770561730371980
- Julian Silverblatt, M.D.Houston, TX 770561093945826
- Jocelyn Szeto, M.D.Houston, TX 770561265663710
Common questions
What is Allan K. Phuah, M.D.'s NPI number?
Allan K. Phuah, M.D.'s National Provider Identifier (NPI) is 1134258460, issued on Mar 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Allan K. Phuah, M.D. located?
The NPPES record lists a practice address at 5555 San Felipe St, Houston, TX, 77056. Phone: (713) 622-9900. Providers update this record themselves, so call before visiting.
How can I verify Allan K. Phuah, M.D.'s license?
NPPES lists Texas license number K4774, 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 Allan K. Phuah, M.D. prescribe under Medicare Part D?
In 2024, Allan K. Phuah, M.D. had 27 Medicare Part D claims; 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.