Jen Lian Koon, MD
Internal Medicine Physician · Humble, TX
Jen Lian Koon, MD is an internal medicine physician with a practice address in Humble, Texas, and NPI 1407097512, issued on Mar 19, 2009. Check the license (Texas M9425, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jen Lian Koon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M9425 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18955 N Memorial Dr Ste 200, Humble, TX 77338
- Phone
- (281) 446-0148
- Enumerated
- Mar 19, 2009
- Record last updated
- Mar 19, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (280) 446-0149
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Jen Lian Koon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M9425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jen Lian Koon among 9,175 internal medicine physician records in Texas
Jen Lian Koon, 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 not. Its NPI, issued in 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2009 · 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).
27 internal medicine physician records list a practice address in Humble
They are 27 of the 1,933 NPPES records with a practice address in Humble, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,175 in Texas → Every provider in Humble → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mushtaque Ahmed, MDHumble, TX 773381689843518
- Anil Dara, MDHumble, TX 773381639113970
- Tamika Denson-Willis, MDHumble, TX 773381780757229
- George Isaac, M.DHumble, TX 773381972721553
- Liza Jemison, MDHumble, TX 773381073826442
- Tejas Mehta, MDHumble, TX 773381518956143
- Olubunmi OgundadegbeHumble, TX 773381821347279
- Kimberly Petitt, DOHumble, TX 773381194827865
Common questions
What is Jen Lian Koon, MD's NPI number?
Jen Lian Koon, MD's National Provider Identifier (NPI) is 1407097512, issued on Mar 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jen Lian Koon, MD located?
The NPPES record lists a practice address at 18955 N Memorial Dr Ste 200, Humble, TX, 77338. Phone: (281) 446-0148. Providers update this record themselves, so call before visiting.
How can I verify Jen Lian Koon, MD's license?
NPPES lists Texas license number M9425, 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. 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.