IndividualActive
Janet Hammer, PA-C
NPI 1124212204 · Physician Assistant · Boston, MA
Janet Hammer, PA-C is a Physician Assistant provider in Boston, MA (NPI 1124212204).
Provider details
- NPI number
- 1124212204
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 294 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
110 Francis Street
Division of Infectious Disease, Suite Gb
Boston, MA 02215
Phone: (617) 632-7706
Fax: (617) 632-7626
Street-level locationGet directions
Mailing address
110 Francis Street
Boston, MA 02215
Registry dates
- Enumerated
- 2007-08-31
- Last updated
- 2016-10-31
Frequently asked questions
- What is Janet Hammer's NPI number?
- Janet Hammer's National Provider Identifier (NPI) is 1124212204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Hammer's specialty?
- Janet Hammer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janet Hammer located?
- Janet Hammer's practice location on file with NPPES is 110 Francis Street, Boston, MA 02215.
- What is Janet Hammer's phone number?
- The practice phone number listed in the NPPES registry for Janet Hammer is (617) 632-7706.
- Is Janet Hammer's NPI active?
- Yes — Janet Hammer's NPI (1124212204) is active in the NPPES registry as of the last update on 2016-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.