DR. CHELSEA GREFE MCCANN PSYD
NPI 1699142265
Psychologist in Pittsburgh, PA

Active since August 30, 2015PECOS Enrolled
33 TERMINAL WAY STE 525A, PITTSBURGH, PA 15219(908) 797-7981 Get Directions Write a Review

NPPES record last updated: November 26, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 26, 2019, Aug 15, 2018 (2 updates tracked since 2018).

About Dr. Chelsea Grefe Mccann Psyd NPPES

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

DR. CHELSEA GREFE MCCANN PSYD (NPI 1699142265) is an individual psychologist in Pittsburgh, Pennsylvania, licensed in Pennsylvania (PS018277) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1699142265
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. CHELSEA GREFE MCCANNCredential: PSYD
Location Address33 TERMINAL WAY STE 525APittsburgh, PA 15219
Mailing Address306 4th Ave Apt 901Pittsburgh, PA 15222-2008 · (908) 797-7981
Sole ProprietorYes
Enumeration DateAugust 30, 2015
Last NPPES UpdateNovember 26, 20192 updates tracked since enumeration
✔ NPI 1699142265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses✔ Licensed in PA · PS018277✔ Licensed in NY · 019880
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.
33 TERMINAL WAY STE 525A, Pittsburgh, PA 15219

Secondary Practice Location 1

Location 13959 Broadway, CHONY 6th FloorNew York, NY 10032-1559 · Phone (212) 305-5398

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chelsea Grefe Mccann Psyd 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 Chelsea Grefe Mccann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
339 6TH AVE, 5TH FLOOR
Pittsburgh, PA 15222
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 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 2

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

Psychologist
33 TERMINAL WAY STE 525A
PITTSBURGH, PA 15219
Counselor (Mental Health)
33 TERMINAL WAY STE 525A
PITTSBURGH, PA 15219

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 Chelsea Grefe Mccann's NPI number?

The NPI number for Chelsea Grefe Mccann is 1699142265. It was assigned to this individual provider in the NPPES registry on August 30, 2015.

Where is Chelsea Grefe Mccann located?

Chelsea Grefe Mccann practices at 33 Terminal Way Ste 525A, Pittsburgh, PA 15219. The listed phone number is (908) 797-7981.

What is Chelsea Grefe Mccann's specialty?

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

Is Chelsea Grefe Mccann enrolled in Medicare?

Yes. Chelsea Grefe Mccann is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Chelsea Grefe Mccann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Grefe Mccann reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). 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 Chelsea Grefe Mccann'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 Chelsea Grefe Mccann was last updated on November 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.