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

DR. KATHERINE KOZITZA MD
NPI 1164469433
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Q: What is Katherine Kozitza's NPI number?

The NPI number for Katherine Kozitza is 1164469433. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Q: What is Katherine Kozitza's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is Katherine Kozitza enrolled in Medicare?

No. Katherine Kozitza has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Katherine Kozitza was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.

Active since June 02, 2006Opted out of Medicare · through Jan 1, 2028

330 MOUNT AUBURN ST, CLARK 1, CAMBRIDGE, MA 02138(617) 499-5054(617) 499-5465 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Katherine Kozitza Md NPPES

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

DR. KATHERINE KOZITZA MD (NPI 1164469433) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (220719) and active in the NPI registry since June 2006. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1164469433

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. KATHERINE KOZITZACredential: MD

Location Address330 MOUNT AUBURN ST, CLARK 1Cambridge, MA 02138-5502

Mailing Address1 Arsenal Market PlWatertown, MA 02472-5018 · (617) 673-1851 · Fax (617) 499-5579

Phone(617) 499-5054

Fax(617) 499-5465

Sole ProprietorNo

Enumeration DateJune 2, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1164469433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MA · 220719

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

330 MOUNT AUBURN ST, Cambridge, MA 02138

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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Katherine Kozitza Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2016 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2016

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$189.86 typical visit price

range $63.72 – $189.86

Typical copayment $47.46 (range $15.93 – $47.46)

Most-billed visit code 99205

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MR. MIGUEL ANGEL PAZ PA-C

Physician Assistant (Surgical)

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-3500

DR. ALAAELDIN AHMED MD

Student in an Organized Health Care Education/Training Program

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 492-3500

DR. JANE R. SHARP MD

Obstetrics & Gynecology

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5151

DR. LAURA NEED MD

Pediatrics (Pediatric Cardiology)

330 MOUNT AUBURN ST, NEWBORN SERVICES
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5595

DR. VALERIE PRONIO-STELLUTO MD

Internal Medicine

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5140

DR. BENJAMIN KERMAN MD

Emergency Medicine

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5025

ANAESTHESIA ASSOCIATES OF MASSACHUSETTS, PC

Anesthesiology

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5075

PAVLINA CHRYSAFI

Student in an Organized Health Care Education/Training Program

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 492-3500

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 Kozitza's NPI number?

The NPI number for Katherine Kozitza is 1164469433. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Katherine Kozitza located?

Katherine Kozitza practices at 330 Mount Auburn St Clark 1, Cambridge, MA 02138. The listed phone number is (617) 499-5054.

What is Katherine Kozitza's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Katherine Kozitza enrolled in Medicare?

No. Katherine Kozitza has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Katherine Kozitza accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Katherine Kozitza 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 Kozitza was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.