MRS. KAREN LENAHAN LMHC
NPI 1689087827
Counselor - Mental Health in Boston, MA

Active since June 05, 2014PECOS EnrolledAccepts Medicare Assignment
250 WASHINGTON ST, BOSTON, MA 02108(323) 205-7088(833) 419-0181 Get Directions Write a Review

NPPES record last updated: July 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Karen Lenahan Lmhc NPPES

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

MRS. KAREN LENAHAN LMHC (NPI 1689087827) is an individual mental health provider in Boston, Massachusetts, licensed in Massachusetts (LMHC12948) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1689087827
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMRS. KAREN LENAHANCredential: LMHC
Location Address250 WASHINGTON STBoston, MA 02108-4603
Mailing Address101 Federal StBoston, MA 02110-1817 · (323) 205-7088
Fax(833) 419-0181
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateJune 5, 2014
Last NPPES UpdateJuly 19, 2024
NPPES CertifiedJuly 19, 2024
✔ NPI 1689087827 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 · LMHC12948
250 WASHINGTON ST, Boston, MA 02108

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Karen Lenahan 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 ID8921533589
PECOS Enrollment IDI20241120001151
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.

Medicare Billing Reassignment

Medicare enrollment records show Karen Lenahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health
1000 JEFFERSON ST STE 2C
Lynchburg, VA 24504
  • Reassigned Medicare billing, Massachusetts enrollment
  • 250 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 12

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

Dental Hygienist
250 WASHINGTON ST, 5TH FLOOR
BOSTON, MA 02108
Nutritionist
250 WASHINGTON ST, 6TH FLOOR
BOSTON, MA 02108
Behavior Analyst
250 WASHINGTON ST
BOSTON, MA 02108
Dental Hygienist
250 WASHINGTON ST
BOSTON, MA 02108
Public Health or Welfare
250 WASHINGTON ST, 5TH FLOOR
BOSTON, MA 02108
Counselor
250 WASHINGTON ST
BOSTON, MA 02108
Social Worker
250 WASHINGTON ST
BOSTON, MA 02108
Dentist
250 WASHINGTON ST
BOSTON, MA 02108

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 Karen Lenahan's NPI number?

The NPI number for Karen Lenahan is 1689087827. It was assigned to this individual provider in the NPPES registry on June 5, 2014.

Where is Karen Lenahan located?

Karen Lenahan practices at 250 Washington St, Boston, MA 02108. The listed phone number is (323) 205-7088.

What is Karen Lenahan's specialty?

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

Is Karen Lenahan enrolled in Medicare?

Yes. Karen Lenahan 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.

Which organization bills Medicare for Karen Lenahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Lenahan reassigns Medicare benefits to Thrive Counseling LLC (Lynchburg, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Lenahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Lenahan accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Karen Lenahan 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 Karen Lenahan was last updated on July 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.