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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. CAITLIN MILLIGAN LMHC
NPI 1851912984
Counselor - Mental Health in Cambridge, MA

Active since April 29, 2020
2557 MASSACHUSETTS AVE, CAMBRIDGE, MA 02140(617) 396-7414 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Caitlin Milligan Lmhc NPPES

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

MS. CAITLIN MILLIGAN LMHC (NPI 1851912984) is an individual mental health provider in Cambridge, Massachusetts, licensed in Massachusetts (LMHC5000785) and active in the NPI registry since April 2020.

NPPES Registry Identity

NPI1851912984
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. CAITLIN MILLIGANCredential: LMHC
Location Address2557 MASSACHUSETTS AVECambridge, MA 02140-1020
Mailing Address147 Massachusetts Ave # 1Arlington, MA 02474-8616 · (203) 401-1928
Phone(617) 396-7414
Sole ProprietorYes
Enumeration DateApril 29, 2020
Last NPPES UpdateJune 15, 2026
NPPES CertifiedJune 15, 2026
✔ NPI 1851912984 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 · LMHC5000785
2557 MASSACHUSETTS AVE, Cambridge, MA 02140
Open in Google Maps ↗

Other Names 1

Professional Name (2)Kayt Milligan Lmhc

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 ›

Other Providers at the Same Location NPPES 11

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

DR. JULIE S ROSS PH.D.
Psychologist
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (781) 643-1020
JENNIFER HEINEN RD
Dietitian, Registered
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (617) 744-9233
DR. PAUL JOHN CALLAHAN PSY.D.
Psychologist (Clinical Child & Adolescent)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (781) 643-1020
DR. MICHELE ANN DEBIASSE PHD, RDN, LDN
Dietitian, Registered
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (617) 744-9233
JUDITH G. GOLDBERG LICSW
Social Worker (Clinical)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (617) 501-8204
MRS. KRISTIN M. HALL LMHC
Counselor (Mental Health)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (860) 614-2571
KIRR ASSOCIATES INC
Counselor (Mental Health)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (781) 789-0585
DR. NANCY ANN KLUG PSYD
Psychologist
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (617) 661-5915

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 Caitlin Milligan's NPI number?

The NPI number for Caitlin Milligan is 1851912984. It was assigned to this individual provider in the NPPES registry on April 29, 2020. The provider is also known as Kayt Milligan Lmhc.

Where is Caitlin Milligan located?

Caitlin Milligan practices at 2557 Massachusetts Ave, Cambridge, MA 02140. The listed phone number is (617) 396-7414.

What is Caitlin Milligan's specialty?

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

What insurance does Caitlin Milligan accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Caitlin Milligan 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 Caitlin Milligan was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.