Carl Richard Williams, MD
Emergency Medicine Physician · Hyannis, MA
Carl Richard Williams, MD is an emergency medicine physician with a practice address in Hyannis, Massachusetts, and NPI 1639121908, issued on May 16, 2006. Check the license (Massachusetts 48576, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Carl Richard Williams
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 48576 MA
Self-reported in NPPES; status is on the state search - Practice location
- 27 Park St, Hyannis, MA 02601
- Phone
- (508) 862-5981
- Enumerated
- May 16, 2006
- Record last updated
- Apr 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 0175056 MA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 27 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle AngeliCertified Registered Nurse Anesthetist1023317591
- Christine Anstatt, PTPhysical Therapist1417074105
- Timothy Arruda, MDHospitalist Physician1538134333
- Harvey Auerbach, MDAnesthesiology Physician1881614246
- Eric Band, M.D.Anesthesiology Physician1033475439
- Scott Barron, MDPediatrics Physician1992790760
Verify Carl Richard Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 48576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
26 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Carl Richard Williams among 1,829 emergency medicine physician records in Massachusetts
Carl Richard Williams, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 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 fileNo · 66% of these records are
- Record last updated2008 · 57% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 emergency medicine physician records list a practice address in Hyannis
They are 20 of the 1,457 NPPES records with a practice address in Hyannis, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Hyannis → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Bresnahan, MDHyannis, MA 026011003867144
- Shant Broukian, M.D.Hyannis, MA 026011538505920
- Craig Cornwall, MDHyannis, MA 026011750331443
- Ralph Delorie, MDHyannis, MA 026011356392112
- Valerie Doyle, DOHyannis, MA 026011649617440
- Michael Hall, MDHyannis, MA 026011881650521
- Jeff Herbst, MDHyannis, MA 026011316998396
- Steven Kohler, MDHyannis, MA 026011134170194
Common questions
What is Carl Richard Williams, MD's NPI number?
Carl Richard Williams, MD's National Provider Identifier (NPI) is 1639121908, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl Richard Williams, MD located?
The NPPES record lists a practice address at 27 Park St, Hyannis, MA, 02601. Phone: (508) 862-5981. Providers update this record themselves, so call before visiting.
How can I verify Carl Richard Williams, MD's license?
NPPES lists Massachusetts license number 48576, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carl Richard Williams, MD prescribe under Medicare Part D?
In 2024, Carl Richard Williams, MD had 26 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Carl Richard Williams, MD's MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. 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.