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Marjan Holloway, PH.D.
NPI 1952464489 · Clinical Psychologist · Bethesda, MD
Marjan Holloway, PH.D. is a Clinical Psychologist provider in Bethesda, MD (NPI 1952464489).
Provider details
- NPI number
- 1952464489
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 04126 (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
4301 Jones Bridge Rd Rm B3050
Bethesda, MD 20814-4712
Phone: (301) 295-3271
Fax: (301) 295-3034
Approximate (ZIP-level) locationGet directions
Mailing address
4301 Jones Bridge Rd Rm B3050
Bethesda, MD 20814-4712
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2015-12-05
Frequently asked questions
- What is Marjan Holloway's NPI number?
- Marjan Holloway's National Provider Identifier (NPI) is 1952464489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjan Holloway's specialty?
- Marjan Holloway is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Marjan Holloway located?
- Marjan Holloway's practice location on file with NPPES is 4301 Jones Bridge Rd Rm B3050, Bethesda, MD 20814-4712.
- What is Marjan Holloway's phone number?
- The practice phone number listed in the NPPES registry for Marjan Holloway is (301) 295-3271.
- Is Marjan Holloway's NPI active?
- Yes — Marjan Holloway's NPI (1952464489) is active in the NPPES registry as of the last update on 2015-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.