William S. Manuel, MD
Internal Medicine Physician · Houston, TX
William S. Manuel, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1992780118, issued on Dec 9, 2005. Check the license (Texas M6276, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William S. Manuel
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M6276 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4801 Woodway Dr Ste 373W, Houston, TX 77056
- Phone
- (713) 528-3366
- Enumerated
- Dec 9, 2005
- Record last updated
- Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (713) 600-9002
- Medicaid ID
- 2079470 MA
- Medicare enrollment
- Enrolled (PECOS I20081101000086); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 4801 Woodway Dr Ste 373W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Richards, D.P.M.Podiatrist1295141356
Verify William S. Manuel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M6276Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,768 Medicare Part D claims for 235 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium226 claims
- Losartan Potassium169 claims
- Amlodipine Besylate114 claims
- Levothyroxine Sodium94 claims
- Atorvastatin Calcium86 claims
- Gabapentin70 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: $32.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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.
Bills Medicare through one group practice
- Privia Medical Group Gulf Coast PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William S. Manuel among 9,175 internal medicine physician records in Texas
William S. Manuel, 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2001 · median 2004 among the 6,088 with a school on file
- Record last updated2020 · 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
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- Allan Phuah, M.D.Houston, TX 770561134258460
- Vivian Pugh, MDHouston, TX 770561932307253
- Naueen Safdar, M.D.Houston, TX 770561730371980
- Julian Silverblatt, M.D.Houston, TX 770561093945826
- Jocelyn Szeto, M.D.Houston, TX 770561265663710
Common questions
What is William S. Manuel, MD's NPI number?
William S. Manuel, MD's National Provider Identifier (NPI) is 1992780118, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William S. Manuel, MD located?
The NPPES record lists a practice address at 4801 Woodway Dr Ste 373W, Houston, TX, 77056. Phone: (713) 528-3366. Providers update this record themselves, so call before visiting.
How can I verify William S. Manuel, MD's license?
NPPES lists Texas license number M6276, 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 S. Manuel, MD prescribe under Medicare Part D?
In 2024, William S. Manuel, MD had 2,768 Medicare Part D claims for 235 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.