Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARY R SPETH PH.D
NPI 1164475190
Psychologist in Towson, MD

Active since May 19, 2006PECOS Enrolled
95.67/100
CMS Quality Rating
901 DULANEY VALLEY RD, STE 129, TOWSON, MD 21204(410) 832-2729(410) 832-5783 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mary R Speth Ph.d NPPES

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

MARY R SPETH PH.D (NPI 1164475190) is an individual psychologist in Towson, Maryland, licensed in Maryland (03675) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1164475190
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMARY R SPETHCredential: PH.D
Location Address901 DULANEY VALLEY RD, STE 129Towson, MD 21204-2600
Mailing Address901 Dulaney Valley Rd, Ste 129Towson, MD 21204-2600 · (410) 832-2729 · Fax (410) 832-5783
Fax(410) 832-5783
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateMay 19, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1164475190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MD · 03675
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.

901 DULANEY VALLEY RD, Towson, MD 21204

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

Mary R Speth Ph.d 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 ID8325940653
PECOS Enrollment IDI20040126000582
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 10

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
525 services162 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
306 services306 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
218 services113 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
216 services216 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
216 services216 patients
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.
207 services101 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.79
Improvement Activities40
Cost87.46

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.

Psychologist
901 DULANEY VALLEY RD, STE 129
TOWSON, MD 21204
Psychiatry & Neurology (Psychiatry)
901 DULANEY VALLEY RD, SUITE 129
TOWSON, MD 21204
Nurse Practitioner (Psychiatric/Mental Health)
901 DULANEY VALLEY RD, SUITE 129
TOWSON, MD 21204
Nurse Practitioner (Psychiatric/Mental Health)
901 DULANEY VALLEY RD, SUITE 129
TOWSON, MD 21204
Social Worker
901 DULANEY VALLEY RD, SUITE 129
TOWSON, MD 21204
Psychiatry & Neurology (Psychiatry)
901 DULANEY VALLEY RD, SUITE 129
TOWSON, MD 21204
Psychologist
901 DULANEY VALLEY RD, STE 129
TOWSON, MD 21204
Psychologist (Clinical)
901 DULANEY VALLEY RD, STE 129
TOWSON, MD 21204

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164475190, enumerated as an "individual" on May 19, 2006.

The provider is located at 901 DULANEY VALLEY RD STE 129 TOWSON, MD 21204 and the phone number is (410) 832-2729.

Psychologist with taxonomy code 103T00000X.