Debra Ellen Mashberg, PH.D.
Psychologist · Old Saybrook, CT
Debra Ellen Mashberg, PH.D. is a psychologist with a practice address in Old Saybrook, Connecticut, and NPI 1194871665, issued on Jan 26, 2007. Check the license with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Debra Ellen Mashberg
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 35SI00324900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 20 Research Pkwy, Old Saybrook, CT 06475
- Phone
- (800) 370-3651
- Enumerated
- Jan 26, 2007
- Record last updated
- Oct 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (860) 510-0763
- Medicare enrollment
- Enrolled (PECOS I20250903002336); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 649 in Connecticut → Look up another NPI →
Also registered at 20 Research Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danil AnisimovPsychiatric/Mental Health Nurse Practitioner1114150984
- Antoinette Antonopoulos, LICSWClinical Social Worker1952565533
- Alberta Baccari, LCSWClinical Social Worker1437344520
- Cheryl Begg, LCSWClinical Social Worker1467736066
- Maria Belval, LCSWClinical Social Worker1073528931
- Maggie Black, PSYDClinical Psychologist1285912550
Verify Debra Ellen Mashberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Debra Ellen Mashberg among 649 psychologist records in Connecticut
Debra Ellen Mashberg, PH.D. is one of 649 psychologist records with a practice address in Connecticut. 9% 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, 54% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1989 · median 1994 among the 136 with a school on file
- Record last updated2011 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 psychologist records list a practice address in Old Saybrook
They are 8 of the 308 NPPES records with a practice address in Old Saybrook, and 649 psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 649 in Connecticut → Every provider in Old Saybrook → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Mark Aron, PH.D.Old Saybrook, CT 064751063510162
- Adam Jaffe, PHDOld Saybrook, CT 064751366599771
- Kathleen Laundy, PSYDOld Saybrook, CT 064751720165962
- George Lynn, PSYDOld Saybrook, CT 064751639227259
- Maria Masotta, PSY.D.Old Saybrook, CT 064751346396660
- Andrea Pollak, LMFTOld Saybrook, CT 064751629116421
- Marlana Rugg, PSY DOld Saybrook, CT 064751639135833
- Francisco Calvache Meyer, PHDNorth Haven, CT 064731942980198
Common questions
What is Debra Ellen Mashberg, PH.D.'s NPI number?
Debra Ellen Mashberg, PH.D.'s National Provider Identifier (NPI) is 1194871665, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Debra Ellen Mashberg, PH.D. located?
The NPPES record lists a practice address at 20 Research Pkwy, Old Saybrook, CT, 06475. Phone: (800) 370-3651. Providers update this record themselves, so call before visiting.
How can I verify Debra Ellen Mashberg, PH.D.'s license?
Search the Connecticut 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.