Mark Sullivan, PH.D., MFT
NPI 1518275437 · Professional Counselor · Oakland, CA
Mark Sullivan, PH.D., MFT is a Professional Counselor provider in Oakland, CA (NPI 1518275437).
Provider details
- NPI number
- 1518275437
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- PH.D., MFT
- Sex
- Male
- Sole proprietor
- No
- License
- MFC15675 (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
15 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
- 2010-09-14
- Last updated
- 2010-09-14
Frequently asked questions
- What is Mark Sullivan's NPI number?
- Mark Sullivan's National Provider Identifier (NPI) is 1518275437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sullivan's specialty?
- Mark Sullivan is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Sullivan located?
- Mark Sullivan's practice location on file with NPPES is 5237 College Ave, Oakland, CA 94618-1414.
- What is Mark Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Mark Sullivan is (510) 541-0548.
- Is Mark Sullivan's NPI active?
- Yes — Mark Sullivan's NPI (1518275437) is active in the NPPES registry as of the last update on 2010-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.