NPPES file of Aug 9, 2026

Stephen Daniel Klepfer

Pediatrics Physician · Boston, MA

Stephen Daniel Klepfer is a pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1730685629, issued on Apr 1, 2018. Check the license (Massachusetts 1020043, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1730685629
Name
Stephen Daniel Klepfer
Primary taxonomy
Pediatrics Physician 208000000X
License number
1020043 MA
Self-reported in NPPES; status is on the state search
Practice location
840 Harrison Ave FL 1, Boston, MA 02118
Phone
(617) 414-4991
Enumerated
Apr 1, 2018
Record last updated
Jun 4, 2024
Medicare enrollment
Enrolled (PECOS I20260416002679); may accept Medicare assignment
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.
Download card Updates feed

Also registered at 840 Harrison Ave FL 1

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

  1. Laurel Gabler, MD, DPHIL, MSCPediatrics Physician1720517758
  2. Mary Ellen Killion, PNP-BCPediatric Nurse Practitioner1477503498
  3. Christopher Merritt, M.D.Pediatric Emergency Medicine (Pediatrics) Physician1174660211
  4. Ravish PatelStudent in an Organized Health Care Education/Training Program1457001265

Verify Stephen Daniel Klepfer 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 1020043
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

822 pediatrics physician records list a practice address in Boston

They are 822 of the 41,865 NPPES records with a practice address in Boston, and 2,628 pediatrics physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in Massachusetts

  1. Marissa AaronBoston, MA1538687827
  2. Ralph Aarons, MDBrighton, MA1407841570
  3. Ebla Abd AlrahmanWorcester, MA1255966743
  4. James Abel, M.D.Pelham, MA1255521381
  5. Aileen Abesamis, MDBrockton, MA1619056546
  6. Claire Abraham, MDBoston, MA1942731161
  7. Shari Abramowitz, M.D.Boston, MA1558346593
  8. Nadeen AbujaberBoston, MA1053635938
  9. Stephanie Abuso, DOBoston, MA1437788148
  10. Mark Acker, M.D.Taunton, MA1629011382

Common questions

What is Stephen Daniel Klepfer's NPI number?

Stephen Daniel Klepfer's National Provider Identifier (NPI) is 1730685629, issued on Apr 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Daniel Klepfer located?

The NPPES record lists a practice address at 840 Harrison Ave FL 1, Boston, MA, 02118. Phone: (617) 414-4991. Providers update this record themselves, so call before visiting.

How can I verify Stephen Daniel Klepfer's license?

NPPES lists Massachusetts license number 1020043, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.