Mark Alan Greenberg, PH.D.
Clinical Psychologist · Pottstown, PA
Mark Alan Greenberg, PH.D. is a clinical psychologist with a practice address in Pottstown, Pennsylvania, and NPI 1871522383, issued on Jun 30, 2006. Check the license (Pennsylvania PS004036L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Alan Greenberg
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PS004036L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2091 E High St, Pottstown, PA 19464
- Phone
- (610) 970-5234
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (610) 970-0945
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 2,597 in Pennsylvania → Look up another NPI →
Also registered at 2091 E High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Antonio, M.A., LPC, NCCProfessional Counselor1992806079
- Christina Barrett, MS, LPCProfessional Counselor1891011821
- Jenna Baum, PSY.DClinical Psychologist1326235680
- Lynne Berry, LPCMental Health Counselor1215906581
- Cathie Briscoe, LMFTMarriage & Family Therapist1578521969
- Samuel Brooks, PH.D.Clinical Psychologist1639128283
Verify Mark Alan Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license PS004036LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Alan Greenberg among 2,597 clinical psychologist records in Pennsylvania
Mark Alan Greenberg, PH.D. is one of 2,597 clinical psychologist records with a practice address in Pennsylvania. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 71% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Pennsylvania
There are 2,597 clinical psychologist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,597 in Pennsylvania → Every provider in Pottstown → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Jenna Baum, PSY.DPottstown, PA 194641326235680
- Samuel Brooks, PH.D.Pottstown, PA 194641639128283
- Mark Campanile, PSY.D.Pottstown, PA 194641073980942
- John Harrison, MA LICENSED PA PSYCHPottstown, PA 194641346367471
- Rachael KeyserPottstown, PA 194641295409365
- Reena Kolar, PH.D,Pottstown, PA 194641669791505
- Nancy LimbeckPottstown, PA 194641518053073
- Antonia O'Planick, PSYDPottstown, PA 194641336681188
Common questions
What is Mark Alan Greenberg, PH.D.'s NPI number?
Mark Alan Greenberg, PH.D.'s National Provider Identifier (NPI) is 1871522383, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Alan Greenberg, PH.D. located?
The NPPES record lists a practice address at 2091 E High St, Pottstown, PA, 19464. Phone: (610) 970-5234. Providers update this record themselves, so call before visiting.
How can I verify Mark Alan Greenberg, PH.D.'s license?
NPPES lists Pennsylvania license number PS004036L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.