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BENJAMIN ASCHERMAN
NPI 1841828829
Internal Medicine - Hematology & Oncology in New York, NY

Active since March 27, 2020PECOS Enrolled
12 E 86TH ST, NEW YORK, NY 10028(212) 434-2000 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 20, 2026, Mar 27, 2020 (2 updates tracked since 2020).

About Benjamin Ascherman NPPES

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

BENJAMIN ASCHERMAN (NPI 1841828829) is an individual hematology & oncology provider in New York, New York, licensed in New York (323421) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2020).

NPPES Registry Identity

NPI1841828829
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameBENJAMIN ASCHERMAN
Location Address12 E 86TH STNew York, NY 10028-0506
Mailing Address1 Research RdRidge, NY 11961-2701 · (631) 751-3000
Phone(212) 434-2000
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2020
Enumeration DateMarch 27, 2020
Last NPPES UpdateJuly 20, 20262 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1841828829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NY · 323421
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
12 E 86TH ST, New York, NY 10028
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Benjamin Ascherman is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2365924685
PECOS Enrollment IDI20260305002907
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 Benjamin Ascherman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore Hematology Oncology Associates PC
48 mi
Specialist
49 NESCONSET HWY
Port Jefferson Station, NY 11776
  • Reassigned Medicare billing, New York enrollment
  • 636 clinicians in this Medicare group
NPI 1396794574 (631) 751-3000

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 10028 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 20

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

MRS. CONSTANCE COTTER WEISENSEEL MSW
Marriage & Family Therapist
12 E 86TH ST, # 1124
NEW YORK, NY 10028
New York County (212) 396-3597
EUGENE FINE M.D., IRWIN LEVENTHAL M.D.
Urology
12 E 86TH ST
NEW YORK, NY 10028
New York County (212) 517-9555
PREMIER PHYSICIANS OF NEW YORK PLLC
Urology
12 E 86TH ST
NEW YORK, NY 10028
New York County (212) 517-9555
DR. ILONA MIRECKI M.D.
Psychiatry & Neurology (Psychiatry)
12 E 86TH ST, SUITE1201
NEW YORK, NY 10028
New York County (917) 273-4411
DR. IRWIN LEVENTHAL MD
Urology
12 E 86TH ST
NEW YORK, NY 10028
New York County (212) 517-9555
DR. PAUL SCHIENBERG PH.D.
Psychologist
12 E 86TH ST, 929
NEW YORK, NY 10028
New York County (212) 879-5709
DR. EARLE A LOCKHART M.D
Pediatrics (Pediatric Nephrology)
12 E 86TH ST, #1031
NEW YORK, NY 10028
New York County (201) 401-4352
DR. FERNANDO M. CLEMENTE M.D.
Specialist
12 E 86TH ST, APT. 908
NEW YORK, NY 10028
New York County (212) 535-2675

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 Benjamin Ascherman's NPI number?

The NPI number for Benjamin Ascherman is 1841828829. It was assigned to this individual provider in the NPPES registry on March 27, 2020.

Where is Benjamin Ascherman located?

Benjamin Ascherman practices at 12 E 86th St, New York, NY 10028. The listed phone number is (212) 434-2000.

What is Benjamin Ascherman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Benjamin Ascherman enrolled in Medicare?

Yes. Benjamin Ascherman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Benjamin Ascherman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Ascherman reassigns Medicare benefits to North Shore Hematology Oncology Associates PC (Port Jefferson Station, 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 Benjamin Ascherman'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 Benjamin Ascherman was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.