Rosemary Granger
NPI 1598277568 · Addiction (Substance Use Disorder) Counselor · Lancaster, CA
Rosemary Granger is a Addiction (Substance Use Disorder) Counselor provider in Lancaster, CA (NPI 1598277568).
Provider details
- NPI number
- 1598277568
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 21553 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2017-10-31
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Rosemary Granger's NPI number?
- Rosemary Granger's National Provider Identifier (NPI) is 1598277568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Granger's specialty?
- Rosemary Granger is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Rosemary Granger located?
- Rosemary Granger's practice location on file with NPPES is 44443 10th St W, Lancaster, CA 93534-3346.
- What is Rosemary Granger's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Granger is (661) 726-2630.
- Is Rosemary Granger's NPI active?
- Yes — Rosemary Granger's NPI (1598277568) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.