DR. MARILYN DENISE RITHOLZ (PH.D.) – Counseling Psychologist, NPI 1295789642

DR. MARILYN DENISE RITHOLZ (PH.D.) is a healthcare provider. based in Lexington, Massachusetts. specializing in Counseling Psychologist. They hold the professional credentials PH.D.. They hold a License No. 4198 (MA). The NPI Number for DR. MARILYN DENISE RITHOLZ (PH.D.) is 1295789642

Main info

Female
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARILYN DENISE RITHOLZ (PH.D.)
NPI
1295789642
Phone
(781) 863-1439
Address
33 BEDFORD ST
Enumeration Date
20 May 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6177322400
Graduation Year
1986 (40 years ago)
PAC ID
6709896673
Group Practice PAC ID
5092794883
Professional Enrollment ID
I20060424000211
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. MARILYN DENISE RITHOLZ (PH.D.)

  • Lexington Periodontics & Implantology, LLC, 33, Bedford Street, Lexington, Middlesex County, Massachusetts, 02420, United States

    SUITE 20

    LEXINGTON, MA 024204319

    Phone: (781) 863-1439

    Fax: (781) 863-2646

    Type: Mailing

  • Joslin Diabetes Center, 1, Joslin Place, Boston, Suffolk County, Massachusetts, 02215, United States

    BOSTON, MA 022155306

    Phone: (617) 732-2594

    Fax: (617) 713-3410

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-04-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060424000211IClinical PsychologistMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02420)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5092794883View full group profile
NameSpecialtyState
-MA
E N D O C R I N O L O G YMA
Nurse PractitionerMA
Nurse PractitionerMA
-MA
O P H T H A L M O L O G YMA
-MA
Nurse PractitionerMA
-MA
O P H T H A L M O L O G YMA

Reviews

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Frequently asked questions

What unique ID ties claims to DR. MARILYN DENISE RITHOLZ (PH.D.)?
NPI 1295789642 is assigned to DR. MARILYN DENISE RITHOLZ (PH.D.) under the national enumeration system.
Is DR. MARILYN DENISE RITHOLZ (PH.D.)'s NPI currently valid?
The extract we use shows DR. MARILYN DENISE RITHOLZ (PH.D.) as active.
Does DR. MARILYN DENISE RITHOLZ (PH.D.) list a primary specialty?
If you are matching referrals, note Counseling Psychologist for DR. MARILYN DENISE RITHOLZ (PH.D.). Clinical services aligned with this taxonomy classification.
Where does public data place DR. MARILYN DENISE RITHOLZ (PH.D.)?
The snapshot lists Lexington, Massachusetts for DR. MARILYN DENISE RITHOLZ (PH.D.); download NPPES for the complete set.
Is DR. MARILYN DENISE RITHOLZ (PH.D.) a real provider?
This page reflects official NPPES data for NPI 1295789642. Always confirm identity and privileges with the practice and licensing boards.

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