William M. Mania, MD PA
Internal Medicine Physician · Richardson, TX
William M. Mania, MD PA is an internal medicine physician with a practice address in Richardson, Texas, and NPI 1770599326, issued on Aug 1, 2006. Check the license (Texas F9770, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William M. Mania
- Credential
- MD PA
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- F9770 TX
Self-reported in NPPES; status is on the state search - Practice location
- 375 Municipal Drive, Richardson, TX 75080
- Phone
- (972) 669-9777
- Enumerated
- Aug 1, 2006
- Record last updated
- Mar 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (977) 783-6664
- Medicare enrollment
- Enrolled (PECOS I20120326000144); may accept Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 375 Municipal Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William M. Mania in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F9770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average internal medicine physician in 2024
4,978 Medicare Part D claims for 317 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 158 claims were for opioids.
Most prescribed
- Methylprednisolone261 claims
- Lisinopril245 claims
- Simvastatin195 claims
- Levothyroxine Sodium173 claims
- Azithromycin141 claims
- Gabapentin133 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.
The MIPS final score for 2023 (Medicare payment program): 18.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $271.89
5 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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.
Bills Medicare through one group practice
- Legacy Healthcare Services IncMcKinney, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William M. Mania among 9,175 internal medicine physician records in Texas
William M. Mania, MD PA 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2004 among the 6,088 with a school on file
- Record last updated2011 · 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).
61 internal medicine physician records list a practice address in Richardson
They are 61 of the 2,896 NPPES records with a practice address in Richardson, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Richardson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Henry Allen, MDRichardson, TX 750801710900527
- Sita Boppana, M.D.Richardson, TX 750801689629123
- Jung Chi, MDRichardson, TX 750801881670685
- Trung Dao, MDRichardson, TX 750801558354712
- Sandra Fogelman, MDRichardson, TX 750801548219421
- Vladimir Grebennikov, M.D.Richardson, TX 750801952399313
- Kevin Kim, M.D.Richardson, TX 750801669480828
- Adrian Meyer, MDRichardson, TX 750801639176787
Common questions
What is William M. Mania, MD PA's NPI number?
William M. Mania, MD PA's National Provider Identifier (NPI) is 1770599326, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William M. Mania, MD PA located?
The NPPES record lists a practice address at 375 Municipal Drive, Richardson, TX, 75080. Phone: (972) 669-9777. Providers update this record themselves, so call before visiting.
How can I verify William M. Mania, MD PA's license?
NPPES lists Texas license number F9770, 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 M. Mania, MD PA prescribe under Medicare Part D?
In 2024, William M. Mania, MD PA had 4,978 Medicare Part D claims for 317 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William M. Mania, MD PA's MIPS final score?
The 2023 MIPS final score is 18.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.