Nelson Herlihy, PA
NPI 1821070145 · Medical Physician Assistant · Sacramento, CA
Nelson Herlihy, PA is a Medical Physician Assistant provider in Sacramento, CA (NPI 1821070145).
Provider details
- NPI number
- 1821070145
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 010149 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2009-05-06
Frequently asked questions
- What is Nelson Herlihy's NPI number?
- Nelson Herlihy's National Provider Identifier (NPI) is 1821070145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Herlihy's specialty?
- Nelson Herlihy is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nelson Herlihy located?
- Nelson Herlihy's practice location on file with NPPES is 4860 Y St, Sacramento, CA 95817-2307.
- What is Nelson Herlihy's phone number?
- The practice phone number listed in the NPPES registry for Nelson Herlihy is (916) 734-3630.
- Is Nelson Herlihy's NPI active?
- Yes — Nelson Herlihy's NPI (1821070145) is active in the NPPES registry as of the last update on 2009-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.