DR. DANIEL J MILLSTEIN PHD
NPI 1972090678
Psychologist in Boston, MA

Active since April 18, 2018PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: December 23, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 23, 2021, Apr 18, 2018 (2 updates tracked since 2018).

About Dr. Daniel J Millstein Phd NPPES

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

DR. DANIEL J MILLSTEIN PHD (NPI 1972090678) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (11681) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1972090678
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. DANIEL J MILLSTEINCredential: PHD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address55 Fruit StBoston, MA 02114-2696 · (585) 275-3563 · Fax (585) 276-2292
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 18, 2018
Last NPPES UpdateDecember 23, 20212 updates tracked since enumeration
NPPES CertifiedDecember 23, 2021
NPI 1972090678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses Licensed in MA · 11681 Licensed in NY · 023817
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
55 FRUIT ST, Boston, MA 02114

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Daniel J Millstein Phd 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 ID9739571605
PECOS Enrollment IDI20220126002979
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
107 services13 patients

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Daniel Millstein's NPI number?

The NPI number for Daniel Millstein is 1972090678. It was assigned to this individual provider in the NPPES registry on April 18, 2018.

Where is Daniel Millstein located?

Daniel Millstein practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-4133.

What is Daniel Millstein's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Daniel Millstein enrolled in Medicare?

Yes. Daniel Millstein 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.

What insurance does Daniel Millstein accept?

Health plans from Harvard Pilgrim Health Care and Providence Health Plan list Daniel Millstein 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 Daniel Millstein was last updated on December 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.