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Marilyn Simpson, PSY.D.
NPI 1770707218 · Clinical Psychologist · Pasadena, CA
Marilyn Simpson, PSY.D. is a Clinical Psychologist provider in Pasadena, CA (NPI 1770707218).
Provider details
- NPI number
- 1770707218
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY15645 (CA)
Specialties & taxonomies
Behavioral Health & Social 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
2810 E Del Mar Blvd
Suite 10b
Pasadena, CA 91107-4321
Phone: (626) 683-7385
Fax: (626) 799-4738
Street-level locationGet directions
Mailing address
2810 E Del Mar Blvd
Pasadena, CA 91107-4321
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilyn Simpson's NPI number?
- Marilyn Simpson's National Provider Identifier (NPI) is 1770707218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Simpson's specialty?
- Marilyn Simpson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Marilyn Simpson located?
- Marilyn Simpson's practice location on file with NPPES is 2810 E Del Mar Blvd, Pasadena, CA 91107-4321.
- What is Marilyn Simpson's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Simpson is (626) 683-7385.
- Is Marilyn Simpson's NPI active?
- Yes — Marilyn Simpson's NPI (1770707218) 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.