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KEIKO MIZUGUCHI LMHC
NPI 1891827598
Counselor - Mental Health in Boston, MA

Active since March 09, 2007PECOS EnrolledAccepts Medicare Assignment
780 ALBANY ST, BOSTON, MA 02118(857) 654-1000(857) 654-1094 Get Directions Write a Review

NPPES record last updated: August 4, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Keiko Mizuguchi Lmhc NPPES

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

KEIKO MIZUGUCHI LMHC (NPI 1891827598) is an individual mental health provider in Boston, Massachusetts, licensed in Massachusetts (4898) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1891827598
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKEIKO MIZUGUCHICredential: LMHC
Location Address780 ALBANY STBoston, MA 02118-2524
Mailing Address780 Albany StBoston, MA 02118-2524 · (857) 654-1000 · Fax (857) 654-1094
Phone(857) 654-1000
Fax(857) 654-1094
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateMarch 9, 2007
Last NPPES UpdateAugust 4, 2008
✔ NPI 1891827598 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 · 4898
780 ALBANY ST, Boston, MA 02118
Open in Google Maps ↗

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 and accepts Medicare assignment

Keiko Mizuguchi 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 ID2062855414
PECOS Enrollment IDI20240213002048
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 Keiko Mizuguchi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston Health Care For The Homeless Program, Inc.
Same address
Federally Qualified Health Center (FQHC)
780 ALBANY ST
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 116 clinicians in this Medicare group
NPI 1013131804 (857) 654-1000

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 20

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

SARAH BAYER LICSW
Social Worker (Clinical)
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
ENID RAMOS RN
Registered Nurse
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
MS. KATHLEEN A. PALIMERI N.P.
Nurse Practitioner
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
DR. ALAN FILZER DDS
Dentist (General Practice)
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
BOSTON HEALTH CARE FOR THE HOMELESS PROGRAM, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
APRIL RAMSEY RN
Registered Nurse
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
GINA PIERRE
Registered Nurse
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000
DAVID RACHLIN LICSW
Social Worker (Clinical)
780 ALBANY ST
BOSTON, MA 02118
Suffolk County (857) 654-1000

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 Keiko Mizuguchi's NPI number?

The NPI number for Keiko Mizuguchi is 1891827598. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Where is Keiko Mizuguchi located?

Keiko Mizuguchi practices at 780 Albany St, Boston, MA 02118. The listed phone number is (857) 654-1000.

What is Keiko Mizuguchi's specialty?

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

Is Keiko Mizuguchi enrolled in Medicare?

Yes. Keiko Mizuguchi 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 Keiko Mizuguchi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keiko Mizuguchi reassigns Medicare benefits to Boston Health Care For The Homeless Program, Inc. (Boston, MA). 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 Keiko Mizuguchi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Keiko Mizuguchi accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Keiko Mizuguchi 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 Keiko Mizuguchi was last updated on August 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.