Sam S. McMillan, M.D.
Emergency Medicine Physician · Houston, TX
Sam S. McMillan, M.D. is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1023322328, issued on Jul 29, 2010. Check the license (Texas Q5224, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sam S. McMillan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- Q5224 TX
2010020865 MO
Self-reported in NPPES; status is on the state search - Practice location
- 7600 Beechnut St, Houston, TX 77074
- Phone
- (713) 456-5000
- Enumerated
- Jul 29, 2010
- Record last updated
- Mar 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180607001034); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 7600 Beechnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Uloma AdieleAcute Care Nurse Practitioner1780224543
- Abayomi Ajala, M.D., MPHHospitalist Physician1053773804
- Omar Akhter, DOHospitalist Physician1700469335
- Amarachi Akujobi, DOEmergency Medicine Physician1437310562
- Mahdi Al-Bassam, M.D.Diagnostic Radiology Physician1821175621
- Amee Amin, MDNeonatal-Perinatal Medicine Physician1851854491
Verify Sam S. McMillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q5224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average emergency medicine physician in 2024
203 Medicare Part D claims for 143 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 claims
- Meloxicam14 claims
- Cephalexin12 claims
- Sulfamethoxazole-Trimethoprim12 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: $28.29
2 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- San Francisco Emergency Medical AssociatesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sam S. McMillan among 4,885 emergency medicine physician records in Texas
Sam S. McMillan, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 48% of them.
- NPI issued2010 · 48% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2013 among the 2,779 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
818 emergency medicine physician records list a practice address in Houston
They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Houston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Amarachi Akujobi, DOHouston, TX 770741437310562
- Robert Burnette, MDHouston, TX 770741699729491
- Ryan Corrick, M.D.Houston, TX 770741649685140
- Mark Elliott, D.O.Houston, TX 770741245593573
- Rosa Estevez, M.D.Houston, TX 770741982998308
- Jyothi Lagisetty, M.D.Houston, TX 770741154578052
- Obinna Ndum, M.D., M.B.A.Houston, TX 770741649619719
- Khoa Nguyen, M.D.Houston, TX 770741992125728
Common questions
What is Sam S. McMillan, M.D.'s NPI number?
Sam S. McMillan, M.D.'s National Provider Identifier (NPI) is 1023322328, issued on Jul 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sam S. McMillan, M.D. located?
The NPPES record lists a practice address at 7600 Beechnut St, Houston, TX, 77074. Phone: (713) 456-5000. Providers update this record themselves, so call before visiting.
How can I verify Sam S. McMillan, M.D.'s license?
NPPES lists Texas license number Q5224, 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 Sam S. McMillan, M.D. prescribe under Medicare Part D?
In 2024, Sam S. McMillan, M.D. had 203 Medicare Part D claims for 143 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.