Frieda Apostol, LMFT
NPI 1639984313 · Marriage & Family Therapist · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frieda Apostol, LMFT is a Marriage & Family Therapist provider in Rancho Cucamonga, CA (NPI 1639984313).
Provider details
- NPI number
- 1639984313
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
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
1 yr 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
Mailing address
Registry dates
- Enumerated
- 2025-02-10
- Last updated
- 2025-02-10
- Certified
- 2025-02-10
Frequently asked questions
- What is Frieda Apostol's NPI number?
- Frieda Apostol's National Provider Identifier (NPI) is 1639984313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frieda Apostol's specialty?
- Frieda Apostol is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Frieda Apostol located?
- Frieda Apostol's practice location on file with NPPES is 9045 Haven Ave Unit 110, Rancho Cucamonga, CA 91730-5427.
- What is Frieda Apostol's phone number?
- The practice phone number listed in the NPPES registry for Frieda Apostol is (909) 293-9507.
- Does Frieda Apostol accept Medicare?
- Frieda Apostol is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frieda Apostol's NPI active?
- Yes — Frieda Apostol's NPI (1639984313) is active in the NPPES registry as of the last update on 2025-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.