John Gardner, RN
NPI 1508954421 · Registered Nurse First Assistant · Placerville, CA
John Gardner, RN is a Registered Nurse First Assistant provider in Placerville, CA (NPI 1508954421).
Provider details
- NPI number
- 1508954421
- Entity type
- Individual
- Primary specialty
- Registered Nurse First AssistantNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 468480 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Gardner's NPI number?
- John Gardner's National Provider Identifier (NPI) is 1508954421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gardner's specialty?
- John Gardner is listed in the NPPES registry with a primary specialty of Registered Nurse First Assistant (Nursing Service Providers).
- Where is John Gardner located?
- John Gardner's practice location on file with NPPES is 1080 Marshall Way, Placerville, CA 95667.
- What is John Gardner's phone number?
- The practice phone number listed in the NPPES registry for John Gardner is (530) 622-1441.
- Is John Gardner's NPI active?
- Yes — John Gardner's NPI (1508954421) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.