JOSEPH DAVID FRIEDMAN MA
NPI 1124718978
Psychologist in Rockville, MD

Active since May 15, 2023PECOS EnrolledAccepts Medicare Assignment
9707 KEY WEST AVE, ROCKVILLE, MD 20850(240) 750-6467 Get Directions Write a Review

NPPES record last updated: May 16, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Joseph David Friedman Ma NPPES

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

JOSEPH DAVID FRIEDMAN MA (NPI 1124718978) is an individual psychologist in Rockville, Maryland and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1124718978
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameJOSEPH DAVID FRIEDMANCredential: MA
Location Address9707 KEY WEST AVERockville, MD 20850-3992
Mailing Address3637 Bancroft RdBaltimore, MD 21215-3229 · (551) 427-7887
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 15, 2023
Last NPPES UpdateMay 16, 2023
NPPES CertifiedMay 16, 2023
✔ NPI 1124718978 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.
9707 KEY WEST AVE, Rockville, MD 20850

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joseph David Friedman Ma 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 ID6204365513
PECOS Enrollment IDI20250130002375, I20250130002961
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Joseph Friedman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
9707 KEY WEST AVE STE 100
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 44 clinicians in this Medicare group
Psychiatry
30 GREENWAY ST NW, SUITE 5
Glen Burnie, MD 21061
  • Reassigned Medicare billing, Maryland enrollment
  • 33 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 5

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

Dentist
9707 KEY WEST AVE, #140
ROCKVILLE, MD 20850
Dentist (Endodontics)
9707 KEY WEST AVE, SUITE 130
ROCKVILLE, MD 20850
Psychologist (Clinical)
9707 KEY WEST AVE
ROCKVILLE, MD 20850
Psychologist (Clinical)
9707 KEY WEST AVE
ROCKVILLE, MD 20850
Counselor (Mental Health)
9707 KEY WEST AVE
ROCKVILLE, MD 20850

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 Joseph Friedman's NPI number?

The NPI number for Joseph Friedman is 1124718978. It was assigned to this individual provider in the NPPES registry on May 15, 2023.

Where is Joseph Friedman located?

Joseph Friedman practices at 9707 Key West Ave, Rockville, MD 20850. The listed phone number is (240) 750-6467.

What is Joseph Friedman's specialty?

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

Is Joseph Friedman enrolled in Medicare?

Yes. Joseph Friedman 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.

Which organizations bill Medicare for Joseph Friedman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Friedman reassigns Medicare benefits to 2 organizations: Quince Orchard Psychotherapy LLC (Rockville, MD) and Oasis The Mental Health Center, LLC (Glen Burnie, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Friedman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Friedman was last updated on May 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.