James Wolff, M.D.
NPI 1730230608 · Emergency Medicine Physician · Concord, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Wolff, M.D. is a Emergency Medicine Physician provider in Concord, MA (NPI 1730230608).
Provider details
- NPI number
- 1730230608
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 43669 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Wolff's NPI number?
- James Wolff's National Provider Identifier (NPI) is 1730230608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wolff's specialty?
- James Wolff is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Wolff located?
- James Wolff's practice location on file with NPPES is 133 Old Road to Nine Acre Corner, Concord, MA 01742.
- What is James Wolff's phone number?
- The practice phone number listed in the NPPES registry for James Wolff is (978) 369-1400.
- Does James Wolff accept Medicare?
- James Wolff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Wolff's NPI active?
- Yes — James Wolff's NPI (1730230608) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.