IndividualActive
James Katz, M.D.
NPI 1164540662 · Occupational Medicine Physician · Boston, MA
Provider details
- NPI number
- 1164540662
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 44435 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
20 Park Plz
Suite 20
Boston, MA 02116-4303
Phone: (978) 888-7999
Street-level locationGet directions
Mailing address
8 Museum Way Apt 1306
Cambridge, MA 02141-1881
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2013-12-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.