Gloria Singleton
Internal Medicine Physician · Cambridge, MA
Gloria Singleton is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1942055942, issued on Apr 22, 2024. Check the license (Massachusetts 3017295, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Gloria Singleton
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3017295 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 492-3500
- Enumerated
- Apr 22, 2024
- Record last updated
- Jun 18, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 330 Mount Auburn St
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Verify Gloria Singleton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 3017295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
40 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Gloria Singleton among 6,825 internal medicine physician records in Massachusetts
Gloria Singleton is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 97% of them.
- NPI issued2024 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
300 internal medicine physician records list a practice address in Cambridge
They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Cambridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Susan Abookire, MDCambridge, MA 021381407859762
- Matthew Carmody, MDCambridge, MA 021381184624488
- Mark Friedman, MDCambridge, MA 021381760482921
- Eva Gassiraro, MDCambridge, MA 021381598762833
- Beth Goldman, MDCambridge, MA 021381457358798
- Charles Hatem, MDCambridge, MA 021381528065877
- David Hudacek, MDCambridge, MA 021381992707269
- Janine McCauley, MDCambridge, MA 021381487656617
Common questions
What is Gloria Singleton's NPI number?
Gloria Singleton's National Provider Identifier (NPI) is 1942055942, issued on Apr 22, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Gloria Singleton located?
The NPPES record lists a practice address at 330 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 492-3500. Providers update this record themselves, so call before visiting.
How can I verify Gloria Singleton's license?
NPPES lists Massachusetts license number 3017295, 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 Gloria Singleton prescribe under Medicare Part D?
In 2024, Gloria Singleton had 40 Medicare Part D claims for 12 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.