Hoang-Anh Lac Phan, D.O
Internal Medicine Physician · Houston, TX
Hoang-Anh Lac Phan, D.O is an internal medicine physician with a practice address in Houston, Texas, and NPI 1407020035, issued on Apr 15, 2008. Check the license (Texas M9579, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hoang-Anh Lac Phan
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M9579 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12000 Bellaire Blvd Ste 140, Houston, TX 77072
- Phone
- (832) 644-0200
- Enumerated
- Apr 15, 2008
- Record last updated
- Apr 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20141105000114); 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 →
Verify Hoang-Anh Lac Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M9579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,420 Medicare Part D claims for 591 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium424 claims
- Amlodipine Besylate365 claims
- Losartan Potassium325 claims
- Vascepa316 claims
- Metformin Hcl310 claims
- Simvastatin296 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: $122.67
7 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, 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.
Hoang-Anh Lac Phan among 9,175 internal medicine physician records in Texas
Hoang-Anh Lac Phan, D.O 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 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
- Hung Dang, M.D.Houston, TX 770721568403889
- Jessie Feng, M.DHouston, TX 770721821290727
- Albert Heo, MDHouston, TX 770721609373406
- Carlos Herrera, MDHouston, TX 770721003858143
- Tram Ho, MDHouston, TX 770721649350901
- Huyen Nguyen, MDHouston, TX 770721962583906
- Duc Phan, M.DHouston, TX 770721083946693
- Cuong Trinh, MDHouston, TX 770721871537837
Common questions
What is Hoang-Anh Lac Phan, D.O's NPI number?
Hoang-Anh Lac Phan, D.O's National Provider Identifier (NPI) is 1407020035, issued on Apr 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Hoang-Anh Lac Phan, D.O located?
The NPPES record lists a practice address at 12000 Bellaire Blvd Ste 140, Houston, TX, 77072. Phone: (832) 644-0200. Providers update this record themselves, so call before visiting.
How can I verify Hoang-Anh Lac Phan, D.O's license?
NPPES lists Texas license number M9579, 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 Hoang-Anh Lac Phan, D.O prescribe under Medicare Part D?
In 2024, Hoang-Anh Lac Phan, D.O had 10,420 Medicare Part D claims for 591 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.