DR. HOLLY MULLER PHD
NPI 1679183230
Psychologist in Boston, MA

Active since August 07, 2020PECOS EnrolledAccepts Medicare Assignment
225 FRIEND ST, BOSTON, MA 02114(703) 727-5619 Get Directions Write a Review

NPPES record last updated: August 21, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 21, 2020, Aug 7, 2020 (2 updates tracked since 2020).

About Dr. Holly Muller Phd NPPES

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

DR. HOLLY MULLER PHD (NPI 1679183230) is an individual psychologist in Boston, Massachusetts and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1679183230
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. HOLLY MULLERCredential: PHD
Location Address225 FRIEND STBoston, MA 02114-1800
Mailing Address1871 Beacon St Ste 8Brookline, MA 02445-4226 · (703) 727-5619
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 7, 2020
Last NPPES UpdateAugust 21, 20202 updates tracked since enumeration
NPPES CertifiedAugust 21, 2020
NPI 1679183230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
225 FRIEND 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. Holly Muller 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 ID3779998349
PECOS Enrollment IDI20210211001642
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.

Other Providers at the Same Location NPPES 4

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

Social Worker (Clinical)
225 FRIEND ST
BOSTON, MA 02114
Psychologist (Clinical)
225 FRIEND ST
BOSTON, MA 02114
Psychologist
225 FRIEND ST, STE 800
BOSTON, MA 02114
Psychologist (Clinical)
225 FRIEND 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 Holly Muller's NPI number?

The NPI number for Holly Muller is 1679183230. It was assigned to this individual provider in the NPPES registry on August 7, 2020.

Where is Holly Muller located?

Holly Muller practices at 225 Friend St, Boston, MA 02114. The listed phone number is (703) 727-5619.

What is Holly Muller's specialty?

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

Is Holly Muller enrolled in Medicare?

Yes. Holly Muller 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 Holly Muller accept?

Health plans from Providence Health Plan list Holly Muller 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 Holly Muller was last updated on August 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.