DR. MARTIN DENN PSYD
NPI 1770878795
Psychologist in Manhattan Beach, CA

Active since June 17, 2011PECOS EnrolledAccepts Medicare Assignment
738 33RD ST, MANHATTAN BEACH, CA 90266(310) 545-9412(310) 545-6339 Get Directions Write a Review

NPPES record last updated: June 17, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Martin Denn Psyd NPPES

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

DR. MARTIN DENN PSYD (NPI 1770878795) is an individual psychologist in Manhattan Beach, California, licensed in California (PYS23480) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1770878795
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARTIN DENNCredential: PSYD
Location Address738 33RD STManhattan Beach, CA 90266-3455
Mailing Address738 33rd StManhattan Beach, CA 90266-3455 · (310) 874-9493 · Fax (310) 545-6339
Fax(310) 545-6339
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateJune 17, 2011
✔ NPI 1770878795 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 CA · PYS23480
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.
738 33RD ST, Manhattan Beach, CA 90266

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

Dr. Martin Denn Psyd 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 ID4880173939
PECOS Enrollment IDI20260209002827
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 Reassignment

Medicare enrollment records show Martin Denn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 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.

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 Martin Denn's NPI number?

The NPI number for Martin Denn is 1770878795. It was assigned to this individual provider in the NPPES registry on June 17, 2011.

Where is Martin Denn located?

Martin Denn practices at 738 33rd St, Manhattan Beach, CA 90266. The listed phone number is (310) 545-9412.

What is Martin Denn's specialty?

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

Is Martin Denn enrolled in Medicare?

Yes. Martin Denn 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 organization bills Medicare for Martin Denn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Denn reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, CA). The 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 Martin Denn'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 Martin Denn was last updated on June 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.