IndividualActive
Linda Mack
NPI 1427254994 · Gastroenterology Registered Nurse · Walnut Creek, CA
Linda Mack is a Gastroenterology Registered Nurse provider in Walnut Creek, CA (NPI 1427254994).
Provider details
- NPI number
- 1427254994
- Entity type
- Individual
- Primary specialty
- Gastroenterology Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 518853 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(89/100 index)
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
1425 S Main St
Walnut Creek, CA 94596-5318
Phone: (925) 295-6210
Street-level locationGet directions
Mailing address
2537 Holly View Ct
Martinez, CA 94553-3457
Registry dates
- Enumerated
- 2007-06-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Linda Mack's NPI number?
- Linda Mack's National Provider Identifier (NPI) is 1427254994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Mack's specialty?
- Linda Mack is listed in the NPPES registry with a primary specialty of Gastroenterology Registered Nurse (Nursing Service Providers).
- Where is Linda Mack located?
- Linda Mack's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is Linda Mack's phone number?
- The practice phone number listed in the NPPES registry for Linda Mack is (925) 295-6210.
- Is Linda Mack's NPI active?
- Yes — Linda Mack's NPI (1427254994) 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.