NPPES file of Aug 9, 2026

Steven J. Spector, MD

Internal Medicine Physician · Boston, MA

Steven J. Spector, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1770685737, issued on Sep 1, 2006. Check the license (Massachusetts 204763, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770685737
Name
Steven J. Spector
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
204763 MA
Self-reported in NPPES; status is on the state search
Practice location
750 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
Sep 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101019000961); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1991
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 750 Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
  2. Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
  3. Lori Abrahamian, M.D.Anesthesiology Physician1528012192
  4. Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
  5. Ghada Al Mubarak, M.D.Surgery Physician1407034911
  6. Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919

Verify Steven J. Spector in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 204763
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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52% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,512 Medicare Part D claims for 133 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Steven Spector1,512
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium126 claims
  2. Lisinopril78 claims
  3. Simvastatin62 claims
  4. Eliquis57 claims
  5. Omeprazole56 claims
  6. Metoprolol Succinate55 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.

Bills Medicare through one group practice

  1. Pratt Medical Group IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven J. Spector among 6,825 internal medicine physician records in Massachusetts

Steven J. Spector, MD 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1991 · median 2004 among the 4,103 with a school on file
  • Record last updated2007 · 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).

2,320 internal medicine physician records list a practice address in Boston

They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dineli Ahearn, M.D.Boston, MA 021111528015922
  2. Ethan Balk, M.D.Boston, MA 021111831136571
  3. Jeanine Carlson, M.D.Boston, MA 021111588603013
  4. Peter Castaldi, M.D.Boston, MA 021111902891062
  5. Daniel Chandler, M.D.Boston, MA 021111760440168
  6. Wambui Chege, M.D.Boston, MA 021111275571549
  7. Kevin Chin, MDBoston, MA 021111568430593
  8. Shira Doron, M.D.Boston, MA 021111831121359

Common questions

What is Steven J. Spector, MD's NPI number?

Steven J. Spector, MD's National Provider Identifier (NPI) is 1770685737, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven J. Spector, 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 Steven J. Spector, MD's license?

NPPES lists Massachusetts license number 204763, 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 Steven J. Spector, MD prescribe under Medicare Part D?

In 2024, Steven J. Spector, MD had 1,512 Medicare Part D claims for 133 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.