IndividualActive
Joseph Zorn, M.D.
NPI 1538127873 · Internal Medicine Physician · Cambridge, MA
Joseph Zorn, M.D. is a Internal Medicine Physician provider in Cambridge, MA (NPI 1538127873).
Provider details
- NPI number
- 1538127873
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 31727 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1611 Cambridge St
Cambridge, MA 02138-4302
Phone: (617) 661-5405
Fax: (617) 661-5226
Street-level locationGet directions
Mailing address
147 Milk St
Boston, MA 02109-4806
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2011-05-25
Frequently asked questions
- What is Joseph Zorn's NPI number?
- Joseph Zorn's National Provider Identifier (NPI) is 1538127873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Zorn's specialty?
- Joseph Zorn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Zorn located?
- Joseph Zorn's practice location on file with NPPES is 1611 Cambridge St, Cambridge, MA 02138-4302.
- What is Joseph Zorn's phone number?
- The practice phone number listed in the NPPES registry for Joseph Zorn is (617) 661-5405.
- Is Joseph Zorn's NPI active?
- Yes — Joseph Zorn's NPI (1538127873) is active in the NPPES registry as of the last update on 2011-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.