John Gerrein, PHD
Clinical Psychologist · Woburn, MA
John Gerrein, PHD is a clinical psychologist with a practice address in Woburn, Massachusetts, and NPI 1164572178, issued on Jan 11, 2007. Check the license (Massachusetts 1981, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Gerrein
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 1981 MA
Self-reported in NPPES; status is on the state search - Practice location
- 8 Cedar St Ste 58, Woburn, MA 01801
- Phone
- (781) 938-8641
- Enumerated
- Jan 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 0505404 MA
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 3,185 in Massachusetts → Look up another NPI →
Verify John Gerrein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Gerrein among 3,185 clinical psychologist records in Massachusetts
John Gerrein, PHD is one of 3,185 clinical psychologist records with a practice address in Massachusetts. 12% 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 2007, is newer than 30% of them.
- NPI issued2007 · 30% of these records are older, 50% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2007 · 71% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 clinical psychologist records list a practice address in Woburn
They are 21 of the 1,795 NPPES records with a practice address in Woburn, and 3,185 clinical psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,185 in Massachusetts → Every provider in Woburn → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Lauren Cook, PH.DWoburn, MA 018011699095539
- Megan Edwards, PSYDWoburn, MA 018011194033258
- Louise Fennell, PH.D.Woburn, MA 018011942397914
- Joanne Greenfield, PH.D.Woburn, MA 018011639225097
- Beatrice Guilbault, PH.D.Woburn, MA 018011659331130
- Margaret Hellmann, PSY.D.Woburn, MA 018011669698049
- Mindy Kopolow, M.A., PSY.D.Woburn, MA 018011053583120
- Marie Lise Royer, PH.D.Woburn, MA 018011326192048
Common questions
What is John Gerrein, PHD's NPI number?
John Gerrein, PHD's National Provider Identifier (NPI) is 1164572178, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Gerrein, PHD located?
The NPPES record lists a practice address at 8 Cedar St Ste 58, Woburn, MA, 01801. Phone: (781) 938-8641. Providers update this record themselves, so call before visiting.
How can I verify John Gerrein, PHD's license?
NPPES lists Massachusetts license number 1981, as entered by the provider. Search the Massachusetts 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.