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Susan Johnstone, M.A.
NPI 1750699336 · Case Manager/Care Coordinator · Pasadena, CA
Susan Johnstone, M.A. is a Case Manager/Care Coordinator provider in Pasadena, CA (NPI 1750699336).
Provider details
- NPI number
- 1750699336
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2555 E Colorado Blvd
Suite 100
Pasadena, CA 91107-6622
Phone: (626) 577-2261
Fax: (626) 577-2254
Street-level locationGet directions
Mailing address
21141 Amberwick Ln
Huntington Beach, CA 92646-7309
Registry dates
- Enumerated
- 2010-09-17
- Last updated
- 2010-09-17
Frequently asked questions
- What is Susan Johnstone's NPI number?
- Susan Johnstone's National Provider Identifier (NPI) is 1750699336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Johnstone's specialty?
- Susan Johnstone is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Susan Johnstone located?
- Susan Johnstone's practice location on file with NPPES is 2555 E Colorado Blvd, Pasadena, CA 91107-6622.
- What is Susan Johnstone's phone number?
- The practice phone number listed in the NPPES registry for Susan Johnstone is (626) 577-2261.
- Is Susan Johnstone's NPI active?
- Yes — Susan Johnstone's NPI (1750699336) is active in the NPPES registry as of the last update on 2010-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.