DR. HILLARY LEE DITMARS PHD
NPI 1326784612
Psychologist - Clinical in Boston, MA

Q: What is Hillary Ditmars's NPI number?

The NPI number for Hillary Ditmars is 1326784612. It was assigned to this individual provider in the NPPES registry on May 9, 2022.

Q: What is Hillary Ditmars's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Hillary Ditmars was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since May 09, 2022PECOS Enrolled

55 FRUIT ST STE 6A, BOSTON, MA 02114(617) 724-5600(617) 726-5567 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jun 24, 2025, Jul 11, 2022, May 9, 2022 (3 updates tracked since 2022).

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About Dr. Hillary Lee Ditmars Phd NPPES

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

DR. HILLARY LEE DITMARS PHD (NPI 1326784612) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (PSY10001049) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326784612

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. HILLARY LEE DITMARSCredential: PHD

Location Address55 FRUIT ST STE 6ABoston, MA 02114-2696

Mailing Address55 Fruit St Ste 6aBoston, MA 02114-2621

Phone(617) 724-5600

Fax(617) 726-5567

Sole ProprietorNo

Enumeration DateMay 9, 2022

Last NPPES UpdateJune 24, 20253 updates tracked since enumeration

NPPES CertifiedJune 24, 2025

✔ NPI 1326784612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in MA · PSY10001049

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

55 FRUIT ST STE 6A, Boston, MA 02114

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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, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hillary Lee Ditmars Phd 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

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

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

DR. FATMA OZLEM HOKELEKLI MD, PHD

Student in an Organized Health Care Education/Training Program

55 FRUIT ST STE 6A
BOSTON, MA 02114

Suffolk County (617) 726-1620

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 Hillary Ditmars's NPI number?

The NPI number for Hillary Ditmars is 1326784612. It was assigned to this individual provider in the NPPES registry on May 9, 2022.

Where is Hillary Ditmars located?

Hillary Ditmars practices at 55 Fruit St Ste 6A, Boston, MA 02114. The listed phone number is (617) 724-5600.

What is Hillary Ditmars's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Hillary Ditmars enrolled in Medicare?

Yes. Hillary Ditmars is registered in the Medicare PECOS enrollment system.

What insurance does Hillary Ditmars accept?

Health plans from Anthem Blue Cross and Blue Shield and Providence Health Plan list Hillary Ditmars 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 Hillary Ditmars was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.