John Marcus
NPI 1285363994 · Behavior Analyst · Phoenix, AZ
John Marcus is a Behavior Analyst provider in Phoenix, AZ (NPI 1285363994).
Provider details
- NPI number
- 1285363994
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Counseling Psychologist103TC1900X
Behavioral Health & Social Service Providers
- Assistant Behavior Analyst106E00000X
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
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
4 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
- 2022-06-08
- Last updated
- 2022-06-08
- Certified
- 2022-06-08
Frequently asked questions
- What is John Marcus's NPI number?
- John Marcus's National Provider Identifier (NPI) is 1285363994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marcus's specialty?
- John Marcus is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is John Marcus located?
- John Marcus's practice location on file with NPPES is 10828 W Elm St, Phoenix, AZ 85037-1091.
- What is John Marcus's phone number?
- The practice phone number listed in the NPPES registry for John Marcus is (602) 561-4951.
- Is John Marcus's NPI active?
- Yes — John Marcus's NPI (1285363994) is active in the NPPES registry as of the last update on 2022-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.