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Mark Greenberg, PH.D.
NPI 1871522383 · Clinical Psychologist · Pottstown, PA
Mark Greenberg, PH.D. is a Clinical Psychologist provider in Pottstown, PA (NPI 1871522383).
Provider details
- NPI number
- 1871522383
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PS004036L (PA)
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
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
2091 E High St
Pottstown, PA 19464-3211
Phone: (610) 970-5234
Fax: (610) 970-0945
Street-level locationGet directions
Mailing address
2091 E High St
Pottstown, PA 19464-3211
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Greenberg's NPI number?
- Mark Greenberg's National Provider Identifier (NPI) is 1871522383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Greenberg's specialty?
- Mark Greenberg is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Greenberg located?
- Mark Greenberg's practice location on file with NPPES is 2091 E High St, Pottstown, PA 19464-3211.
- What is Mark Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Mark Greenberg is (610) 970-5234.
- Is Mark Greenberg's NPI active?
- Yes — Mark Greenberg's NPI (1871522383) 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.