Cheng-Huai Ruan, M.D.
Internal Medicine Physician · Houston, TX
Cheng-Huai Ruan, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1629210927, issued on Apr 1, 2009. Check the license (Texas P5884, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cheng-Huai Ruan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P5884 TX
Self-reported in NPPES; status is on the state search - Practice location
- 333 West Loop N Ste 250, Houston, TX 77024
- Phone
- (713) 690-1991
- Enumerated
- Apr 1, 2009
- Record last updated
- Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (713) 690-1980
- Medicare enrollment
- Enrolled (PECOS I20130912000376); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 333 West Loop N Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Bryant, AGNP-CNurse Practitioner1366948226
- Ashleigh Chavez, NP-CFamily Nurse Practitioner1841676749
- Deema Farah, MDFamily Medicine Physician1669887295
- Ruben Lespron, RDRegistered Dietitian1043761620
- Gardner Mack, MSN, APRN, FNP-CFamily Nurse Practitioner1609612605
- Genevieve MorenoHealth & Wellness Coach1790353225
Verify Cheng-Huai Ruan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P5884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
188 Medicare Part D claims for 45 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate11 claims
- Synjardy Xr11 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.
Industry payments in 2024: $260.47
7 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Ruan Medical GroupHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cheng-Huai Ruan among 9,175 internal medicine physician records in Texas
Cheng-Huai Ruan, 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2004 among the 6,088 with a school on file
- Record last updated2021 · 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
- Saikrishna Aleti, M.D.Houston, TX 770241497770077
- Anna Alquiza, M.D.Houston, TX 770241639177850
- Ann Domask, M.D.Houston, TX 770241790780955
- Ankur Doshi, M.D.Houston, TX 770241659487650
- George Keith, M.D.Houston, TX 770241598748873
- Pratibha Kulkarni, M.D.Houston, TX 770241215972211
- Margaret Lang-Williams, M.D.Houston, TX 770241255389847
- Manish Parikh, MDHouston, TX 770241275580359
Common questions
What is Cheng-Huai Ruan, M.D.'s NPI number?
Cheng-Huai Ruan, M.D.'s National Provider Identifier (NPI) is 1629210927, issued on Apr 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Cheng-Huai Ruan, M.D. located?
The NPPES record lists a practice address at 333 West Loop N Ste 250, Houston, TX, 77024. Phone: (713) 690-1991. Providers update this record themselves, so call before visiting.
How can I verify Cheng-Huai Ruan, M.D.'s license?
NPPES lists Texas license number P5884, 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 Cheng-Huai Ruan, M.D. prescribe under Medicare Part D?
In 2024, Cheng-Huai Ruan, M.D. had 188 Medicare Part D claims for 45 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.