Marcus Dayhoff, PSY.D.
NPI 1780318006 · Addiction (Substance Use Disorder) Counselor · Anaheim, CA
Marcus Dayhoff, PSY.D. is a Addiction (Substance Use Disorder) Counselor provider in Anaheim, CA (NPI 1780318006).
Provider details
- NPI number
- 1780318006
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
3 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
Mailing address
Registry dates
- Enumerated
- 2022-07-12
- Last updated
- 2022-07-12
- Certified
- 2022-07-12
Frequently asked questions
- What is Marcus Dayhoff's NPI number?
- Marcus Dayhoff's National Provider Identifier (NPI) is 1780318006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Dayhoff's specialty?
- Marcus Dayhoff is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marcus Dayhoff located?
- Marcus Dayhoff's practice location on file with NPPES is 101 E Lincoln Ave Ste 230, Anaheim, CA 92805-3206.
- What is Marcus Dayhoff's phone number?
- The practice phone number listed in the NPPES registry for Marcus Dayhoff is (714) 345-1168.
- Is Marcus Dayhoff's NPI active?
- Yes — Marcus Dayhoff's NPI (1780318006) is active in the NPPES registry as of the last update on 2022-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.