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KATHERINE MUKAI A.M.
NPI 1790168052
Social Worker in Brookline, MA

Active since July 06, 2015PECOS Enrolled
7 KENT ST STE 4, BROOKLINE, MA 02445(617) 396-7166 Get Directions Write a Review

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

About Katherine Mukai A.m. NPPES

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

KATHERINE MUKAI A.M. (NPI 1790168052) is an individual social worker in Brookline, Massachusetts and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790168052
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameKATHERINE MUKAICredential: A.M.
Location Address7 KENT ST STE 4Brookline, MA 02445-7975
Mailing Address7 Kent St Ste 4Brookline, MA 02445-7975 · (617) 396-7166
Phone(617) 396-7166
Sole ProprietorYes
Enumeration DateJuly 6, 2015
Last NPPES UpdateAugust 18, 2026
NPPES CertifiedAugust 18, 2026
✔ NPI 1790168052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
7 KENT ST STE 4, Brookline, MA 02445
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Mukai A.m. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Katherine Mukai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The General Hospital Corporation
3.1 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000
Massachusetts General Physicians Organization Inc
3.1 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287

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 2

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

LEAH SHERMAN-COLLINS LICSW
Social Worker (Clinical)
7 KENT ST STE 4
BROOKLINE, MA 02445
Norfolk County (857) 201-2233
KATIE MUKAI THERAPY LLC
Social Worker (Clinical)
7 KENT ST STE 4
BROOKLINE, MA 02445
Norfolk County (617) 396-7166

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 Katherine Mukai's NPI number?

The NPI number for Katherine Mukai is 1790168052. It was assigned to this individual provider in the NPPES registry on July 6, 2015.

Where is Katherine Mukai located?

Katherine Mukai practices at 7 Kent St Ste 4, Brookline, MA 02445. The listed phone number is (617) 396-7166.

What is Katherine Mukai's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Katherine Mukai enrolled in Medicare?

Yes. Katherine Mukai is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katherine Mukai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mukai reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). Each 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 Katherine Mukai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Mukai accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Katherine Mukai 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 Katherine Mukai was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.