DR. ASHREI BAYEWITZ MD
NPI 1578826640
Internal Medicine - Hematology & Oncology in Mineola, NY

Q: What is Ashrei Bayewitz's NPI number?

The NPI number for Ashrei Bayewitz is 1578826640. It was assigned to this individual provider in the NPPES registry on June 22, 2012.

Q: What is Ashrei Bayewitz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ashrei Bayewitz was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since June 22, 2012PECOS Enrolled

259 FIRST STREET, MINEOLA, NY 11501(516) 663-0333 Get Directions Write a Review

NPPES record last updated: May 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 5, 2025, Jan 20, 2023 (2 updates tracked since 2023).

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About Dr. Ashrei Bayewitz Md NPPES

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

DR. ASHREI BAYEWITZ MD (NPI 1578826640) is an individual hematology & oncology provider in Mineola, New York, licensed in Virginia (0101277041) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1578826640

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. ASHREI BAYEWITZCredential: MD

Location Address259 FIRST STREETMineola, NY 11501

Mailing Address259 1st StMineola, NY 11501-3957

Phone(516) 663-0333

Sole ProprietorYes

Enumeration DateJune 22, 2012

Last NPPES UpdateMay 5, 20252 updates tracked since enumeration

NPPES CertifiedMay 5, 2025

✔ NPI 1578826640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in VA · 0101277041✔ Licensed in NH · 34637

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 34637 (NH)

259 FIRST STREET, Mineola, NY 11501

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Secondary Practice Locations 2

Location 112100 Warwick Blvd # 201Newport News, VA 23601-2365 · Phone (757) 534-5555

Location 23073 White Mountain HwyNorth Conway, NH 03860-7101 · Phone (603) 356-4904 · Fax (603) 356-0842

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ashrei Bayewitz Md 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

Medicare enrollment records show Ashrei Bayewitz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physician Affiliate Group Of New York PC

16 mi

Dietitian, Registered

506 LENOX AVE
New York, NY 10037

Reassigned Medicare billing, New York enrollment
2,094 clinicians in this Medicare group

NPI 1013375526 (212) 939-2467

Coney Island Medical Practice Plan, P.C.

20 mi

General Practice

2601 OCEAN PKWY
Brooklyn, NY 11235

Reassigned Medicare billing, New York enrollment
638 clinicians in this Medicare group

NPI 1386951762 (718) 616-5354

Memorial Hospital

263 mi

Critical Access

3073 WHITE MOUNTAIN HWY
North Conway, NH 03860

Reassigned Medicare billing, New Hampshire enrollment
172 clinicians in this Medicare group

NPI 1700864709 (603) 356-5461

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

61 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

22 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11501 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

DR. HEATHER A POSILLICO DO

Emergency Medicine

259 FIRST STREET, EMERGENCY DEPARTMENT
MINEOLA, NY 11501

Nassau County (516) 663-2211

ALAN A. KATZ M.D. PLLC

Emergency Medicine (Undersea and Hyperbaric Medicine)

259 FIRST STREET
MINEOLA, NY 11501

Nassau County (516) 663-0333

SHARONA KERN

Pediatrics

259 FIRST STREET, NYU WINTHROP DEPT OF PEDIATRICS
MINEOLA, NY 11501

Nassau County (516) 663-8443

MR. GARY W MCCALL PA-C

Physician Assistant (Medical)

259 FIRST STREET
MINEOLA, NY 11501

Nassau County (516) 606-8363

DR. FARSIMA DAYANI D.O.

Pediatrics

259 FIRST STREET, DEPARTMENT OF PEDIATRICS, WINTHROP
MINEOLA, NY 11501

Nassau County (516) 946-1719

LAUREN SOONG DO

Student in an Organized Health Care Education/Training Program

259 FIRST STREET, LOWER LEVEL NORTH
MINEOLA, NY 11501

Nassau County (516) 663-8443

DR. LALE SEHER AKAYDIN M.D.

Pediatrics

259 FIRST STREET, PEDIATRIC DEPARTMENT
MINEOLA, NY 11501

Nassau County (516) 663-2288

MRS. JENNIFER WILINSKI PHYSICIAN ASSISTANT

Physician Assistant

259 FIRST STREET
MINEOLA, NY 11501

Nassau County (516) 291-2190

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 Ashrei Bayewitz's NPI number?

The NPI number for Ashrei Bayewitz is 1578826640. It was assigned to this individual provider in the NPPES registry on June 22, 2012.

Where is Ashrei Bayewitz located?

Ashrei Bayewitz practices at 259 First Street, Mineola, NY 11501. The listed phone number is (516) 663-0333.

What is Ashrei Bayewitz's specialty?

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

Is Ashrei Bayewitz enrolled in Medicare?

Yes. Ashrei Bayewitz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ashrei Bayewitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashrei Bayewitz reassigns Medicare benefits to 3 organizations: Physician Affiliate Group Of New York PC (New York, NY), Coney Island Medical Practice Plan, P.C. (Brooklyn, NY) and Memorial Hospital (North Conway, NH). 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 Ashrei Bayewitz'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 Ashrei Bayewitz was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.