Richard A. Singer, MD
Internal Medicine Physician · Westport, CT
Richard A. Singer, MD is an internal medicine physician with a practice address in Westport, Connecticut, and NPI 1922009638, issued on Aug 3, 2005. Check the license (Connecticut 033402, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Richard A. Singer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 033402 CT
Self-reported in NPPES; status is on the state search - Practice location
- 728 Post RD E, Westport, CT 06880
- Phone
- (203) 291-3800
- Enumerated
- Aug 3, 2005
- Record last updated
- Nov 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (203) 226-1204
- Medicare enrollment
- Enrolled (PECOS I20090618000483); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1974
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 728 Post RD E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Alberico, MA CCC-SLPSpeech-Language Pathologist1609318476
- Marjorie Alix, OTOccupational Therapist1982779138
- Gina AureliaSpeech-Language Pathologist1457755548
- Valerie Babich, PSY.D.Psychologist1912615469
- Gabrielle CampanoSpeech-Language Pathologist1558157826
- Joseph Cristino, PTPhysical Therapist1134293525
Verify Richard A. Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 033402Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,596 Medicare Part D claims for 568 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 307 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium424 claims
- Atorvastatin Calcium336 claims
- Amlodipine Besylate318 claims
- Metformin Hcl245 claims
- Levothyroxine Sodium206 claims
- Metoprolol Succinate174 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): 94.2 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).
Bills Medicare through 2 group practices
- Nuvance Health Medical Practice CT IncDanbury, CT
- Rehabilitation Associates IncFairfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard A. Singer among 2,623 internal medicine physician records in Connecticut
Richard A. Singer, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1974 · median 2004 among the 1,646 with a school on file
- Record last updated2010 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Westport
They are 23 of the 886 NPPES records with a practice address in Westport, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Westport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Altbaum, M.D.Westport, CT 068801285736124
- David Baum, M.D.Westport, CT 068801437175486
- Jill Denowitz, M.D.Westport, CT 068801215013941
- Robert Dresdner, M.D.Westport, CT 068801356443204
- Samuel Frumkin, M.D.Westport, CT 068801124120043
- Jay Horn, M.D.Westport, CT 068801013093731
- Nina Karol, M.D.Westport, CT 068801548286818
- Anthony Lamarca, MDWestport, CT 068801336105139
Common questions
What is Richard A. Singer, MD's NPI number?
Richard A. Singer, MD's National Provider Identifier (NPI) is 1922009638, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard A. Singer, MD located?
The NPPES record lists a practice address at 728 Post RD E, Westport, CT, 06880. Phone: (203) 291-3800. Providers update this record themselves, so call before visiting.
How can I verify Richard A. Singer, MD's license?
NPPES lists Connecticut license number 033402, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard A. Singer, MD prescribe under Medicare Part D?
In 2024, Richard A. Singer, MD had 7,596 Medicare Part D claims for 568 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Richard A. Singer, MD's MIPS final score?
The 2023 MIPS final score is 94.2 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.