MRS. MARCI BETH SIMON LMHC
NPI 1023165941
Counselor - Mental Health in Lexington, MA

Active since January 04, 2007PECOS EnrolledAccepts Medicare Assignment
789 MASSACHUSETTS AVE, LEXINGTON, MA 02420(617) 888-3060 Get Directions Write a Review

NPPES record last updated: December 7, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Marci Beth Simon Lmhc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARCI BETH SIMON LMHC (NPI 1023165941) is an individual mental health provider in Lexington, Massachusetts, licensed in Massachusetts (5811) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1023165941
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMRS. MARCI BETH SIMONCredential: LMHC
Location Address789 MASSACHUSETTS AVELexington, MA 02420-3915
Mailing Address789 Massachusetts AveLexington, MA 02420-3915 · (617) 888-3060
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJanuary 4, 2007
Last NPPES UpdateDecember 7, 2020
NPPES CertifiedDecember 7, 2020
NPI 1023165941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in MA · 5811
789 MASSACHUSETTS AVE, Lexington, MA 02420

Other Names 1

Former Name (1)Ms. Marci Beth Ornstein Lmhc

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Marci Beth Simon Lmhc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698127124
PECOS Enrollment IDI20240119001601
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Contractor
789 MASSACHUSETTS AVE
LEXINGTON, MA 02420
Social Worker (Clinical)
789 MASSACHUSETTS AVE
LEXINGTON, MA 02420

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marci Simon's NPI number?

The NPI number for Marci Simon is 1023165941. It was assigned to this individual provider in the NPPES registry on January 4, 2007. The provider is also known as Ms. Marci Beth Ornstein Lmhc.

Where is Marci Simon located?

Marci Simon practices at 789 Massachusetts Ave, Lexington, MA 02420. The listed phone number is (617) 888-3060.

What is Marci Simon's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Marci Simon enrolled in Medicare?

Yes. Marci Simon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marci Simon accept?

Health plans from Harvard Pilgrim Health Care and Providence Health Plan list Marci Simon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marci Simon was last updated on December 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.