IndividualActive
Mark Berger, PHD
NPI 1649265943 · Clinical Psychologist · Portsmouth, VA
Mark Berger, PHD is a Clinical Psychologist provider in Portsmouth, VA (NPI 1649265943).
Provider details
- NPI number
- 1649265943
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- License
- 0810000978 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
3300 Academy Ave
Academy Crossing Medical Plaza
Portsmouth, VA 23703-3205
Phone: (757) 483-6404
Fax: (757) 483-0737
Street-level locationGet directions
Mailing address
3300 Academy Ave
Portsmouth, VA 23703-3205
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Berger's NPI number?
- Mark Berger's National Provider Identifier (NPI) is 1649265943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Berger's specialty?
- Mark Berger is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Berger located?
- Mark Berger's practice location on file with NPPES is 3300 Academy Ave, Portsmouth, VA 23703-3205.
- What is Mark Berger's phone number?
- The practice phone number listed in the NPPES registry for Mark Berger is (757) 483-6404.
- Is Mark Berger's NPI active?
- Yes — Mark Berger's NPI (1649265943) 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.