NPPES file of Aug 9, 2026

Marguerite Ruppenicker, PH. D.

Clinical Psychologist · Old Saybrook, CT

Marguerite Ruppenicker, PH. D. is a clinical psychologist with a practice address in Old Saybrook, Connecticut, and NPI 1053760579, issued on Jun 6, 2016. Check the license (Connecticut 3193, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053760579
Name
Marguerite Ruppenicker
Credential
PH. D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
3193 CT
Self-reported in NPPES; status is on the state search
Practice location
49 Sherwood Ter, Old Saybrook, CT 06475
Phone
(860) 388-9882
Enumerated
Jun 6, 2016
Record last updated
Jun 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(860) 388-9882
Medicare enrollment
Enrolled (PECOS I20170213001528); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 49 Sherwood Ter

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lois Glazer, LMFTMarriage & Family Therapist1992887889
  2. Kenyatia McLish, LMTMassage Therapist1821738808

Verify Marguerite Ruppenicker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 3193
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

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Marguerite Ruppenicker among 1,114 clinical psychologist records in Connecticut

Marguerite Ruppenicker, PH. D. is one of 1,114 clinical psychologist records with a practice address in Connecticut. 14% 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 26% of these records are
  • Graduated2001 · median 2000 among the 294 with a school on file
  • Record last updated2016 · 72% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 clinical psychologist records list a practice address in Old Saybrook

They are 17 of the 308 NPPES records with a practice address in Old Saybrook, and 1,114 clinical psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Maggie Black, PSYDOld Saybrook, CT 064751285912550
  2. David Bonanno, PSYDOld Saybrook, CT 064751780843540
  3. Douglas Dufore, PHDOld Saybrook, CT 064751174607113
  4. Gary Freudenthal, PSYDOld Saybrook, CT 064751518963784
  5. Lisa Galasso, PH.D.Old Saybrook, CT 064751720210925
  6. Leonard Guitar, PSY.D.Old Saybrook, CT 064751164570339
  7. Cheryl Henderson, PSYDOld Saybrook, CT 064751851520159
  8. Margaret Lewman, PH.D.Old Saybrook, CT 064751356448500

Common questions

What is Marguerite Ruppenicker, PH. D.'s NPI number?

Marguerite Ruppenicker, PH. D.'s National Provider Identifier (NPI) is 1053760579, issued on Jun 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Marguerite Ruppenicker, PH. D. located?

The NPPES record lists a practice address at 49 Sherwood Ter, Old Saybrook, CT, 06475. Phone: (860) 388-9882. Providers update this record themselves, so call before visiting.

How can I verify Marguerite Ruppenicker, PH. D.'s license?

NPPES lists Connecticut license number 3193, as entered by the provider. 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.