IndividualActive
Robert Marcus, PHD
NPI 1568519189 · Clinical Psychologist · Columbia, MD
Robert Marcus, PHD is a Clinical Psychologist provider in Columbia, MD (NPI 1568519189).
Provider details
- NPI number
- 1568519189
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 01292 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
9030 State Route 108
Oakland Center
Columbia, MD 21045-1951
Phone: (410) 740-1901
Fax: (410) 740-2503
Street-level locationGet directions
Mailing address
9030 State Route 108
Columbia, MD 21045-1951
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Marcus's NPI number?
- Robert Marcus's National Provider Identifier (NPI) is 1568519189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Marcus's specialty?
- Robert Marcus is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Robert Marcus located?
- Robert Marcus's practice location on file with NPPES is 9030 State Route 108, Columbia, MD 21045-1951.
- What is Robert Marcus's phone number?
- The practice phone number listed in the NPPES registry for Robert Marcus is (410) 740-1901.
- Is Robert Marcus's NPI active?
- Yes — Robert Marcus's NPI (1568519189) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.