William O. Appiah, MD
Emergency Medicine Physician · Pasadena, TX
William O. Appiah, MD is an emergency medicine physician with a practice address in Pasadena, Texas, and NPI 1215137559, issued on Jul 24, 2007. Check the license (Texas M6502, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William O. Appiah
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- M6502 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Spencer Hwy, Pasadena, TX 77504
- Phone
- (713) 359-2000
- Enumerated
- Jul 24, 2007
- Record last updated
- Mar 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (713) 359-1004
- Medicaid IDs
- 189251501 TX
189251502 TX - Medicare enrollment
- Enrolled (PECOS I20080107000541); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 4000 Spencer Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dan Alexis, MDEmergency Medicine Physician1831517424
- Saher Amin, MDInternal Medicine Physician1245894286
- Corey Anderson, M.D.Emergency Medicine Physician1043296692
- Nourah Banks, CRNACertified Registered Nurse Anesthetist1215282348
Verify William O. Appiah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M6502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average emergency medicine physician in 2024
242 Medicare Part D claims for 164 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Hcl25 claims
- Prednisone25 claims
- Albuterol Sulfate Hfa24 claims
- Amoxicillin-Clavulanate Potass24 claims
- Ibuprofen24 claims
- Diazepam18 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: $53.43
3 payments; by number, the most common kind was food and beverage; the largest payer was RedHill Biopharma 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 2 group practices
- Emergency Services OF Texas PAEl Paso, TX
- Round Table Physicians Group PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William O. Appiah among 4,885 emergency medicine physician records in Texas
William O. Appiah, MD 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 59% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2004 · median 2013 among the 2,779 with a school on file
- Record last updated2010 · 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).
25 emergency medicine physician records list a practice address in Pasadena
They are 25 of the 1,245 NPPES records with a practice address in Pasadena, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Pasadena → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Corey Anderson, M.D.Pasadena, TX 775041043296692
- Richard Dexter, DOPasadena, TX 775041194812669
- Howard Haysom, M.D.Pasadena, TX 775041659357283
- Minh Le, MDPasadena, TX 775041265499909
- Yung-Li Lee, MDPasadena, TX 775041902004948
- Thomas Lindsay, M.D.Pasadena, TX 775041255317525
- Richard Menaik, MDPasadena, TX 775041801153317
- Earl Miller, M.D.Pasadena, TX 775041255311569
Common questions
What is William O. Appiah, MD's NPI number?
William O. Appiah, MD's National Provider Identifier (NPI) is 1215137559, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William O. Appiah, MD located?
The NPPES record lists a practice address at 4000 Spencer Hwy, Pasadena, TX, 77504. Phone: (713) 359-2000. Providers update this record themselves, so call before visiting.
How can I verify William O. Appiah, MD's license?
NPPES lists Texas license number M6502, 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 William O. Appiah, MD prescribe under Medicare Part D?
In 2024, William O. Appiah, MD had 242 Medicare Part D claims for 164 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.