Richard D. Siegel, MD
Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Richard D. Siegel, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1508977059, issued on Aug 31, 2006. Check the license (Massachusetts 74658, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Richard D. Siegel
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 74658 MA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100823000823); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 750 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
- Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
- Lori Abrahamian, M.D.Anesthesiology Physician1528012192
- Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
- Ghada Al Mubarak, M.D.Surgery Physician1407034911
- Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919
Verify Richard D. Siegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 74658Check 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% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,451 Medicare Part D claims for 339 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Trulicity185 claims
- Ozempic161 claims
- Metformin Hcl139 claims
- Levothyroxine Sodium135 claims
- Metformin Hcl Er90 claims
- Omnipod 5 Dexg7g6 Pods (Gen 5)83 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: $655.61
2 payments; by number, the most common kind was consulting fee; the largest payer was Roche Diabetes Care, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Hallmark Health Medical Associates IncStoneham, MA
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard D. Siegel among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Richard D. Siegel, MD is one of 522 endocrinology, diabetes & metabolism 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2002 among the 378 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lisa Ceglia, M.D.Boston, MA 021111558417055
- Bess Dawson-Hughes, M.D.Boston, MA 021111528083714
- Feyza Erenler, M.D.Boston, MA 021111013395375
- Maya Fayfman, M.D.Boston, MA 021111851612956
- Andrew Greenberg, M.D.Boston, MA 021111720046956
- Jacqueline Kung, MDBoston, MA 021111518120872
- Ronald Lechan, M.D.Boston, MA 021111700824018
- Anastassios Pittas, MDBoston, MA 021111508976036
Common questions
What is Richard D. Siegel, MD's NPI number?
Richard D. Siegel, MD's National Provider Identifier (NPI) is 1508977059, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard D. Siegel, MD located?
The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Richard D. Siegel, MD's license?
NPPES lists Massachusetts license number 74658, 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 Richard D. Siegel, MD prescribe under Medicare Part D?
In 2024, Richard D. Siegel, MD had 2,451 Medicare Part D claims for 339 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.