JACOB ROSSMER M.S.
NPI 1851584510
Psychologist in New York, NY

Active since August 24, 2007PECOS Enrolled
1111 AMSTERDAM AVE, NEW YORK, NY 10025(212) 523-4000 Get Directions Write a Review

NPPES record last updated: September 26, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Jacob Rossmer M.s. NPPES

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

JACOB ROSSMER M.S. (NPI 1851584510) is an individual psychologist in New York, New York and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851584510
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameJACOB ROSSMERCredential: M.S.
Location Address1111 AMSTERDAM AVENew York, NY 10025-1716
Mailing Address2148 24th StAstoria, NY 11105-3355
Sole ProprietorNo
Enumeration DateAugust 24, 2007
Last NPPES UpdateSeptember 26, 2022
NPPES CertifiedSeptember 26, 2022
✔ NPI 1851584510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
1111 AMSTERDAM AVE, New York, NY 10025

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jacob Rossmer M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Jacob Rossmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Addiction Medicine
1425 MADISON AVE
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 385 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 20

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

Dentist (Oral and Maxillofacial Surgery)
1111 AMSTERDAM AVE
NEW YORK, NY 10025
Emergency Medicine
1111 AMSTERDAM AVE
NEW YORK, NY 10025
Emergency Medicine
1111 AMSTERDAM AVE
NEW YORK, NY 10025
Hospitalist
1111 AMSTERDAM AVE
NEW YORK, NY 10025
Dietitian, Registered
1111 AMSTERDAM AVE
NEW YORK, NY 10025
Internal Medicine (Nephrology)
1111 AMSTERDAM AVE, MINTURN ROOM 205
NEW YORK, NY 10025
Physician Assistant
1111 AMSTERDAM AVE, ORTHO DEPT. CLARK 7
NEW YORK, NY 10025
Nurse Practitioner (Adult Health)
1111 AMSTERDAM AVE
NEW YORK, NY 10025

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 Jacob Rossmer's NPI number?

The NPI number for Jacob Rossmer is 1851584510. It was assigned to this individual provider in the NPPES registry on August 24, 2007.

Where is Jacob Rossmer located?

Jacob Rossmer practices at 1111 Amsterdam Ave, New York, NY 10025. The listed phone number is (212) 523-4000.

What is Jacob Rossmer's specialty?

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

Is Jacob Rossmer enrolled in Medicare?

Yes. Jacob Rossmer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jacob Rossmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Rossmer reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Jacob Rossmer'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 Jacob Rossmer was last updated on September 26, 2022. 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.