Roger Grossman, LMFT
NPI 1407111933 · Marriage & Family Therapist · Oakland, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Grossman, LMFT is a Marriage & Family Therapist provider in Oakland, CA (NPI 1407111933).
Provider details
- NPI number
- 1407111933
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 98803 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
13 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
- 2012-07-11
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Roger Grossman's NPI number?
- Roger Grossman's National Provider Identifier (NPI) is 1407111933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Grossman's specialty?
- Roger Grossman is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Roger Grossman located?
- Roger Grossman's practice location on file with NPPES is 3761 Park Boulevard Way Apt 405, Oakland, CA 94610-2843.
- What is Roger Grossman's phone number?
- The practice phone number listed in the NPPES registry for Roger Grossman is (914) 907-1497.
- Does Roger Grossman accept Medicare?
- Roger Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Grossman's NPI active?
- Yes — Roger Grossman's NPI (1407111933) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.