Jennifer Hammer, PT
NPI 1023441821 · Physical Therapist · Grass Valley, CA
Jennifer Hammer, PT is a Physical Therapist provider in Grass Valley, CA (NPI 1023441821).
Provider details
- NPI number
- 1023441821
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- No
- License
- PT40354 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2013-08-15
- Last updated
- 2013-08-19
Frequently asked questions
- What is Jennifer Hammer's NPI number?
- Jennifer Hammer's National Provider Identifier (NPI) is 1023441821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hammer's specialty?
- Jennifer Hammer is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Jennifer Hammer located?
- Jennifer Hammer's practice location on file with NPPES is 300 Sierra College Dr, Grass Valley, CA 95945-5082.
- What is Jennifer Hammer's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hammer is (530) 274-2320.
- Is Jennifer Hammer's NPI active?
- Yes — Jennifer Hammer's NPI (1023441821) is active in the NPPES registry as of the last update on 2013-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.