Ximena Millan, M.D.
Infectious Disease Physician · Houston, TX
Ximena Millan, M.D. is an infectious disease physician with a practice address in Houston, Texas, and NPI 1063576015, issued on Dec 21, 2006. Check the license (Texas N3890, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ximena Millan
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- N3890 TX
242130 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Peakwood Dr, Houston, TX 77090
- Phone
- (281) 587-8777
- Enumerated
- Dec 21, 2006
- Record last updated
- Mar 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (281) 587-2577
- Medicaid ID
- 02823325 NY
- Medicare enrollment
- Enrolled (PECOS I20100421000611); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 674 in Texas → Look up another NPI →
Also registered at 800 Peakwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ximena Millan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N3890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average infectious disease physician in 2024
54 Medicare Part D claims for 23 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Ertapenem20 claims
- Daptomycin12 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.
Ximena Millan among 674 infectious disease physician records in Texas
Ximena Millan, M.D. is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 59% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2000 · median 2002 among the 510 with a school on file
- Record last updated2019 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Texas
There are 674 infectious disease physician records in Texas.
All 674 in Texas → Every provider in Houston → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Luis Castillo, M.D.Houston, TX 770901407907793
- Hana Chung, MSN,RN,AGNP-CHouston, TX 770901841851540
- Essam Girgawy, MDHouston, TX 770901164529681
- Padmavati Kumashi, MDHouston, TX 770901033216643
- Hussain Ahmad, M.D.Houston, TX 770891841337128
- Muhammad Khan, MDHouston, TX 770891710025556
- Fasiha Klair, MDHouston, TX 770891619464153
- David Huang, MD, PHDHouston, TX 770791215943865
Common questions
What is Ximena Millan, M.D.'s NPI number?
Ximena Millan, M.D.'s National Provider Identifier (NPI) is 1063576015, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ximena Millan, M.D. located?
The NPPES record lists a practice address at 800 Peakwood Dr, Houston, TX, 77090. Phone: (281) 587-8777. Providers update this record themselves, so call before visiting.
How can I verify Ximena Millan, M.D.'s license?
NPPES lists Texas license number N3890, 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 Ximena Millan, M.D. prescribe under Medicare Part D?
In 2024, Ximena Millan, M.D. had 54 Medicare Part D claims for 23 beneficiaries; the average among infectious disease physician prescribers was 689. 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.