Dr. Ashrei Bayewitz, MD

  • Brooklyn, NY
  • Hematologist and oncologist
NPI1578826640
Medicare services, 2024
97
Medicare patients, 2024
101
Part D claims, 2024
330
Publications
3
Hospital affiliations
1
Practice address
2601 Ocean Parkway, Brooklyn, NY 11235
Practice phone
Call (718) 616-4834
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

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Dr. Ashrei Bayewitz is a hematologist and oncologist in Brooklyn, New York

Dr. Bayewitz practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC.

Dr. Bayewitz's NPI, 1578826640, was assigned on June 22, 2012. Dr. Bayewitz graduated from Albert Einstein College of Medicine of Yeshiva University in 2012. Dr. Bayewitz holds Virginia license 0101277041.

NPI and contact details
NPI enumeration date
June 22, 2012
NPI status
Active
Practice phone
(718) 616-4834
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ashrei Bayewitz practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York

Dr. Bayewitz's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital, at 2601 Ocean Parkway, Brooklyn, NY 11235 in Kings County. The practice phone is (718) 616-4834.

Source: Dmand AI Affiliation Data

Dr. Ashrei Bayewitz is affiliated with 1 site of care and 3 medical groups

Dr. Bayewitz's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC. The medical group on file is Physician Affiliate Group of New York (PAGNY). Dmand AI also links Dr. Bayewitz to 2 more medical groups, each named with a free account.

See all 4 affiliations for Dr. Bayewitz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ashrei Bayewitz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bayewitz practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg HospitalAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ashrei Bayewitz is one of 996 hematologists and oncologists in New York

Hematology and oncology is Dr. Bayewitz's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Bayewitz is licensed in Virginia.

Specialties and state licenses

  • Hematology and oncology, VirginiaPrimaryLicense 0101277041 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Bayewitz

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ashrei Bayewitz billed Medicare for 97 services in 2024

CMS data shows 97 Medicare services from Dr. Bayewitz across 3 procedure codes in 2024, for 101 Medicare patients. Medicare paid $8,868 for them.

Medicare services, 202497
Medicare patients101
Paid by Medicare$8,868
Procedure codes3

Dr. Bayewitz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1052024: 978%

Where Dr. Bayewitz's Medicare services took place, 2024

  • In an office1414%
  • In a facility8386%

Dr. Bayewitz compared with the New York median for hematologists and oncologists, 2024

  • Dr. Bayewitz
  • New York median
Medicare services
97vs 66885% below
Medicare patients
101vs 21052% below
Part D claims
166vs 25836% below

Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.

Dr. Bayewitz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Bayewitz

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ashrei Bayewitz treated 101 Medicare patients in 2024, average age 74

CMS counts 101 Medicare patients who saw Dr. Bayewitz in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Bayewitz's median patient age at 68, with 57% women.

Medicare patients, 2024101
Average age74
Average risk score2.21
Also on Medicaid45%

Dr. Bayewitz's Medicare patients by age, 2024

Dr. Bayewitz's Medicare patients by sex, 2024

  • Women4848%
  • Men5352%

Chronic conditions among Dr. Bayewitz's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes56%
  4. Arthritis54%
  5. Chronic kidney disease46%
  6. Ischemic heart disease42%
  7. Mood disorders36%
  8. Depression35%

Share of Medicare patients with each condition. A patient can have several.

Dr. Bayewitz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ashrei Bayewitz wrote 330 Medicare Part D claims in 2024

In 2024, Dr. Bayewitz wrote 330 Medicare Part D claims for 43 patients. 58% of them were for generic drugs. CMS names the drug for 166 of them, across 10 drugs with 11 or more claims each, at $814,754 in total drug cost. In 2023, CMS named 127 claims across 7 drugs.

Part D claims, 2024330
Drugs named by CMS10
Total drug cost$814,754
Part D patients43

Dr. Bayewitz's Part D claims by kind of drug, 2024

  • Generic191 claims58%
  • Brand-name139 claims42%

Dr. Bayewitz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1272024: 16631%

Drugs named by CMS: 10 in 2024, 7 in 2023.

See all prescribing by Dr. Bayewitz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Ashrei Bayewitz has 3 publications on record

Dmand AI links 3 papers to Dr. Bayewitz, published from 2015 to 2023. Dr. Bayewitz's most frequent co-authors are Henny H. Billett, MD and Yiqing Xu, MD, PhD.

Papers3
Years published2015 to 2023

Dr. Bayewitz's most frequent co-authors

Recent publications by Dr. Bayewitz

See all 3 publications and co-authors

See who Dr. Bayewitz researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bayewitz works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ashrei Bayewitz received $384 in industry payments from 2018 to 2024

CMS Open Payments shows 19 general payments to Dr. Bayewitz from 7 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $82.

General payments to Dr. Bayewitz by program year, 2018 to 2024

Companies that paid Dr. Bayewitz the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Bayewitz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ashrei Bayewitz graduated from Albert Einstein College of Medicine of Yeshiva University

Dr. Bayewitz graduated from Albert Einstein College of Medicine of Yeshiva University in 2012.

  1. Medical schoolAlbert Einstein College of Medicine of Yeshiva University

Source: Dmand AI Professional Profile Data

Sources for Dr. Ashrei Bayewitz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ashrei Bayewitz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Ashrei Bayewitz's NPI number?

Dr. Ashrei Bayewitz's NPI number is 1578826640. It was assigned on June 22, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Ashrei Bayewitz?

Dr. Ashrei Bayewitz is a hematologist and oncologist in Brooklyn, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Ashrei Bayewitz practice?

Dr. Bayewitz practices at 2601 Ocean Parkway, Brooklyn, NY 11235. Dr. Bayewitz's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC. Dmand AI also links Dr. Bayewitz to 2 medical groups.

What is Dr. Ashrei Bayewitz's office phone number?

The practice phone on file for Dr. Bayewitz is (718) 616-4834.

What is Dr. Ashrei Bayewitz's medical license number?

Dr. Bayewitz holds Virginia license 0101277041.

Which hospitals is Dr. Ashrei Bayewitz affiliated with?

Dr. Bayewitz practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York.

What medical group is Dr. Ashrei Bayewitz part of?

Dr. Bayewitz is linked to Physician Affiliate Group of New York (PAGNY). Dmand AI links Dr. Bayewitz to 2 more medical groups.

Does Dr. Ashrei Bayewitz accept Medicare?

Yes. CMS data shows Dr. Bayewitz billed Medicare for 97 services in 2024.

How many Medicare patients does Dr. Ashrei Bayewitz see?

CMS counts 101 Medicare patients who saw Dr. Bayewitz in 2024, with an average age of 74.

What services does Dr. Ashrei Bayewitz bill to Medicare?

In 2024, Dr. Bayewitz's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99222) and office visit, new patient (99204).

Show 6 more questionsShow fewer questions

Where did Dr. Ashrei Bayewitz go to medical school?

Dr. Bayewitz graduated from Albert Einstein College of Medicine of Yeshiva University in 2012.

What drugs does Dr. Ashrei Bayewitz prescribe most?

In 2024 Medicare Part D data, Dr. Bayewitz's most prescribed drugs by claims were Eliquis, Imatinib Mesylate and Acyclovir.

Has Dr. Ashrei Bayewitz received payments from drug or device companies?

CMS Open Payments shows $384 in general payments to Dr. Bayewitz from 7 companies from 2018 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Ashrei Bayewitz been practicing?

Dr. Bayewitz graduated from medical school in 2012, 14 years ago.

Does Dr. Ashrei Bayewitz do research?

Dmand AI links 3 publications to Dr. Bayewitz, published from 2015 to 2023.

Who does Dr. Ashrei Bayewitz publish with?

Dr. Bayewitz's most frequent co-authors are Henny H. Billett, MD (1 shared paper) and Yiqing Xu, MD, PhD (1 shared paper).

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