MARGARET SIEBERT
NPI 1770789042
Psychologist in West Reading, PA

Active since June 25, 2007PECOS Enrolled
6TH AVENUE & SPRUCE STREET, WEST READING, PA 19611(610) 988-8070 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Margaret Siebert NPPES

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

MARGARET SIEBERT (NPI 1770789042) is an individual psychologist in West Reading, Pennsylvania, licensed in Pennsylvania (PS008369L) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770789042
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMARGARET SIEBERT
Location Address6TH AVENUE & SPRUCE STREETWest Reading, PA 19611
Mailing AddressPo Box 14623Reading, PA 19612-4623
Sole ProprietorNo
Enumeration DateJune 25, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1770789042 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 PA · PS008369L
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.
6TH AVENUE & SPRUCE STREET, West Reading, PA 19611

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Siebert 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 Reassignments

2

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

Orthopaedic Surgery
6TH AVE & SPRUCE STREET
West Reading, PA 19611
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: Tower Health Medical Group
  • 1,473 clinicians in this Medicare group
Pediatrics
206 S 6TH AVE
West Reading, PA 19611
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 399 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.

Psychologist
6TH AVENUE & SPRUCE STREET
WEST READING, PA 19611
Physician Assistant (Medical)
6TH AVENUE & SPRUCE STREET
WEST READING, PA 19611
Psychologist
6TH AVENUE & SPRUCE STREET
WEST READING, PA 19611
Social Worker
6TH AVENUE & SPRUCE STREET
WEST READING, PA 19611
Psychiatry & Neurology (Psychiatry)
6TH AVENUE & SPRUCE STREET
WEST READING, PA 19611
Anesthesiology
6TH AVENUE & SPRUCE STREET, READING ANESTHESIA ASSOCIATES LTD
READING, PA 19611
Obstetrics & Gynecology
6TH AVENUE & SPRUCE STREET
WEST READING, PA 19611
Anesthesiology
6TH AVENUE & SPRUCE STREET, READING ANESTHESIA ASSOCIATES LTD
WEST READING, PA 19611

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 Margaret Siebert's NPI number?

The NPI number for Margaret Siebert is 1770789042. It was assigned to this individual provider in the NPPES registry on June 25, 2007.

Where is Margaret Siebert located?

Margaret Siebert practices at 6th Avenue & Spruce Street, West Reading, PA 19611. The listed phone number is (610) 988-8070.

What is Margaret Siebert's specialty?

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

Is Margaret Siebert enrolled in Medicare?

Yes. Margaret Siebert is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Siebert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Siebert reassigns Medicare benefits to 2 organizations: Reading Professional Services (West Reading, PA) and Reading Hospital (West Reading, PA). 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 Margaret Siebert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Siebert accept?

Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Margaret Siebert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Siebert was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.