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DR. ABBY BRENA SIEGEL M.D.
NPI 1548333255
Internal Medicine - Medical Oncology in New York, NY

Active since November 17, 2006PECOS Enrolled
1305 YORK AVE FL 12, NEW YORK, NY 10021(646) 962-6200(646) 962-1607 Get Directions Write a Review

NPPES record last updated: November 15, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Abby Brena Siegel M.d. NPPES

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

DR. ABBY BRENA SIEGEL M.D. (NPI 1548333255) is an individual medical oncology provider in New York, New York, licensed in New York (2155801) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548333255
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. ABBY BRENA SIEGELCredential: M.D.
Location Address1305 YORK AVE FL 12New York, NY 10021-5663
Mailing AddressPo Box 27036New York, NY 10087-7036 · (212) 305-0914 · Fax (212) 305-4343
Phone(646) 962-6200
Fax(646) 962-1607
Sole ProprietorYes
Enumeration DateNovember 17, 2006
Last NPPES UpdateNovember 15, 2017
✔ NPI 1548333255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in NY · 2155801
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
1305 YORK AVE FL 12, New York, NY 10021
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Other Identifiers 2

Medicaid02109722NY
Medicare PIN06S66WP691NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Abby Brena Siegel M.d. 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 Abby Siegel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Weill Medical College Of Cornell
0.1 mi
Hematology & Oncology
525 E 68TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 68 clinicians in this Medicare group
NPI 1881604866 (212) 746-6264

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

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

MARGO MEDENBACH FNP
Nurse Practitioner (Family)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6444
DR. PAUL B CHAPMAN MD
Internal Medicine (Medical Oncology)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6444
HILARY HEYISON NP
Nurse Practitioner (Family)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6200
DR. KYLE J GODFREY M.D.
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-2020
SANA JAVAID FNP-BC
Nurse Practitioner (Family)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6200
BARBARA TING-WEN MA MD
Internal Medicine (Hematology & Oncology)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6444
ANNA PAVLICK DO
Internal Medicine (Hematology & Oncology)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6444
DR. ALANA THANH HUYEN NGUYEN M.D., PH.D.
Internal Medicine (Medical Oncology)
1305 YORK AVE FL 12
NEW YORK, NY 10021
New York County (646) 962-6200

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 Abby Siegel's NPI number?

The NPI number for Abby Siegel is 1548333255. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Abby Siegel located?

Abby Siegel practices at 1305 York Ave Fl 12, New York, NY 10021. The listed phone number is (646) 962-6200.

What is Abby Siegel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Abby Siegel enrolled in Medicare?

Yes. Abby Siegel is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Abby Siegel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Siegel reassigns Medicare benefits to Weill Medical College Of Cornell (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 Abby Siegel'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 Abby Siegel was last updated on November 15, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.