Stephen Klepfer
NPI 1730685629 · Pediatrics Physician · Boston, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Klepfer is a Pediatrics Physician provider in Boston, MA (NPI 1730685629).
Provider details
- NPI number
- 1730685629
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 1020043 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-01
- Last updated
- 2024-06-04
- Certified
- 2024-06-04
Frequently asked questions
- What is Stephen Klepfer's NPI number?
- Stephen Klepfer's National Provider Identifier (NPI) is 1730685629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Klepfer's specialty?
- Stephen Klepfer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Klepfer located?
- Stephen Klepfer's practice location on file with NPPES is 840 Harrison Ave Fl 1, Boston, MA 02118-2905.
- What is Stephen Klepfer's phone number?
- The practice phone number listed in the NPPES registry for Stephen Klepfer is (617) 414-4991.
- Does Stephen Klepfer accept Medicare?
- Stephen Klepfer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Klepfer's NPI active?
- Yes — Stephen Klepfer's NPI (1730685629) is active in the NPPES registry as of the last update on 2024-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.