NPPES file of Aug 9, 2026

Stephen E. Sternbach, MD

Psychiatry Physician · Cambridge, MA

Stephen E. Sternbach, MD is a psychiatry physician with a practice address in Cambridge, Massachusetts, and NPI 1538271200, issued on Aug 31, 2006. Check the license (Massachusetts 47509, 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
1538271200
Name
Stephen E. Sternbach
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
47509 MA
Self-reported in NPPES; status is on the state search
Practice location
1105 Mass Ave, Cambridge, MA 02138
Phone
(617) 876-9416
Enumerated
Aug 31, 2006
Record last updated
Nov 29, 2023
Fax
(617) 492-9063
Medicare enrollment
Enrolled (PECOS I20120201000660); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1979
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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Verify Stephen E. Sternbach 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 47509
    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

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58% fewer Medicare Part D claims than the average psychiatry physician in 2024

419 Medicare Part D claims for 25 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Stephen Sternbach419
  2. Specialty average1,000

Most prescribed

  1. Clonazepam66 claims
  2. Olanzapine26 claims
  3. Lorazepam23 claims
  4. Quetiapine Fumarate21 claims
  5. Trazodone Hcl20 claims
  6. Divalproex Sodium Er19 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.

Stephen E. Sternbach among 2,736 psychiatry physician records in Massachusetts

Stephen E. Sternbach, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 51% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated1979 · median 2005 among the 1,219 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

213 psychiatry physician records list a practice address in Cambridge

They are 213 of the 5,145 NPPES records with a practice address in Cambridge, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Hans Agrawal, M.D.Cambridge, MA 021381609833805
  2. Menekse Alpay, MDCambridge, MA 021381861476467
  3. Paul Cannistraro, M.D.Cambridge, MA 021381639165988
  4. Andrew Clark, MDCambridge, MA 021381720056047
  5. Joseph D'Afflitti, MDCambridge, MA 021381902859986
  6. Catherine Fullerton, MDCambridge, MA 021381427039601
  7. Susan Kattlove, MDCambridge, MA 021381144219783
  8. Kevin Majeres, MDCambridge, MA 021381659333714

Common questions

What is Stephen E. Sternbach, MD's NPI number?

Stephen E. Sternbach, MD's National Provider Identifier (NPI) is 1538271200, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen E. Sternbach, MD located?

The NPPES record lists a practice address at 1105 Mass Ave, Cambridge, MA, 02138. Phone: (617) 876-9416. Providers update this record themselves, so call before visiting.

How can I verify Stephen E. Sternbach, MD's license?

NPPES lists Massachusetts license number 47509, 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 Stephen E. Sternbach, MD prescribe under Medicare Part D?

In 2024, Stephen E. Sternbach, MD had 419 Medicare Part D claims for 25 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.