Jonathan Xian, MD
Internal Medicine Physician · Houston, TX
Jonathan Xian, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1073967592, issued on Apr 21, 2016. Check the license (Texas S1542, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Xian
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- S1542 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Apr 21, 2016
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 429391201 TX
- Medicare enrollment
- Enrolled (PECOS I20201029001222); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan Xian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S1542Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Houston Intensivists PLLCKingwood, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Xian among 9,175 internal medicine physician records in Texas
Jonathan Xian, MD 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 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · 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
- Ketti Awad, MDHouston, TX 770301740284710
- Parikshet Babber, MDHouston, TX 770301114915816
- James Baker, MDHouston, TX 770301477549566
- Ana Blackmon, M.D.Houston, TX 770301962402446
- Maria Cruz-Carreras, MDHouston, TX 770301376533893
- Marina George, MDHouston, TX 770301780680009
- Barry Goodfriend, MDHouston, TX 770301588666218
- Betty Halpern, MDHouston, TX 770301942292685
Common questions
What is Jonathan Xian, MD's NPI number?
Jonathan Xian, MD's National Provider Identifier (NPI) is 1073967592, issued on Apr 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Xian, MD located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Xian, MD's license?
NPPES lists Texas license number S1542, 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. 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.