Dr. Jon David Blumenfeld, MD

  • New York, NY
  • Nephrologist
NPI1083689707
Medicare services, 2021
187
Part D claims, 2021
198
Publications
42
Clinical trials
1
Affiliated sites
1
Practice address
505 East 70th Street 2nd Floor, New York, NY 10021
Practice phone
Call (212) 746-1558
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Rogosin East Side Dialysis

Dialysis Center - Independent · New York, New York

See all 2 affiliations

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Dr. Jon David Blumenfeld is a nephrologist in New York, New York

Dr. Blumenfeld practices at Rogosin East Side Dialysis in New York, New York.

Dr. Blumenfeld's NPI, 1083689707, was assigned on February 17, 2006. Dr. Blumenfeld holds New York license 150859.

NPI and contact details
NPI enumeration date
February 17, 2006
NPI status
Active
Practice phone
(212) 746-1558
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jon David Blumenfeld practices at 2 locations in New York, New York

Dr. Blumenfeld's primary practice is Rogosin East Side Dialysis, at 505 East 70th Street 2nd Floor, New York, NY 10021 in New York County. The practice phone is (212) 746-1558. The NPI Registry lists Dr. Blumenfeld's practice address as 525 E 68th St, New York, NY 10065.

  • Rogosin East Side DialysisPrimary
    505 East 70th Street 2nd Floor, New York, NY 10021 · New York CountyPhone(212) 746-1558
  • NPI Registry address
    525 E 68th St, New York, NY 10065 · New York CountyPhone(212) 746-1495

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Jon David Blumenfeld is affiliated with 1 site of care and 1 medical group

Dr. Blumenfeld's primary practice is Rogosin East Side Dialysis in New York, New York. The medical group on file is The Rogosin Institute.

Rogosin East Side DialysisDialysis Center - Independent · New York, New YorkPrimary
The Rogosin InstitutePrimary care group, New York, NYParent health systemName with a free account
See all 2 affiliations for Dr. Blumenfeld

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jon David Blumenfeld's practice

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

EHR by site
SiteEHR vendor and product
Rogosin East Side DialysisAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jon David Blumenfeld is one of 914 nephrologists in New York

Nephrology is Dr. Blumenfeld's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Blumenfeld is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 150859 · taxonomy 207RN0300X

Nephrologists near Dr. Blumenfeld

Counts of nephrologists 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. Jon David Blumenfeld billed Medicare for 187 services in 2021

CMS data shows 187 Medicare services from Dr. Blumenfeld across 3 procedure codes in 2021. Medicare paid $8,966 for them. Every service was in an office.

Medicare services, 2021187
Paid by Medicare$8,966
Procedure codes3

Dr. Blumenfeld's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Surgery
2020: 852021: 9815%
Office and hospital visits
2020: 1232021: 8928%

Dr. Blumenfeld compared with the New York median for nephrologists, 2021

  • Dr. Blumenfeld
  • New York median
Medicare services
187vs 68973% below
Part D claims
198vs 43655% below

Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.

Dr. Blumenfeld's most billed Medicare procedure codes, 2021

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

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

Dr. Jon David Blumenfeld's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. Blumenfeld's median patient age at 67, with 60% women.

Dr. Blumenfeld's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

Dr. Jon David Blumenfeld wrote 198 Medicare Part D claims in 2021

In 2021, Dr. Blumenfeld wrote 198 Medicare Part D claims. They cover 9 drugs, with $3,974 in total drug cost. In 2020, CMS named 314 claims across 12 drugs.

Part D claims, 2021198
Drugs named by CMS9
Total drug cost$3,974

Dr. Blumenfeld's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 3142021: 19837%

Drugs named by CMS: 9 in 2021, 12 in 2020.

See all prescribing by Dr. Blumenfeld

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

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Dr. Jon David Blumenfeld has 42 publications on record

Dmand AI links 42 papers to Dr. Blumenfeld, published from 2010 to 2025. 2023 was the busiest year, with 5. The most frequent topics are Polycystic Kidney, Autosomal Dominant, Magnetic Resonance Imaging and TRPP Cation Channels. Dr. Blumenfeld has published most often in J Clin Med. Dr. Blumenfeld's most frequent co-authors are Martin R. Prince, MD, PhD, Daniil Shimonov, MD and Irina Barash, MD.

Papers42
Years published2010 to 2025

Dr. Blumenfeld's papers by year, 2016 to 2025

Topics Dr. Blumenfeld writes about most

  • Polycystic Kidney, Autosomal Dominant
  • Magnetic Resonance Imaging
  • TRPP Cation Channels
  • Kidney
  • Cysts
  • Glomerular Filtration Rate
  • Organ Size
  • Deep Learning

Dr. Blumenfeld's most frequent co-authors

Recent publications by Dr. Blumenfeld

See all 42 publications and co-authors

See who Dr. Blumenfeld researches with

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

How network discovery works

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

Dr. Jon David Blumenfeld has worked on 1 clinical trial

Dmand AI links Dr. Blumenfeld to 1 clinical trial. Conditions studied include Polycystic Kidney, Autosomal Dominant and Polycystic Kidney Diseases.

Conditions in Dr. Blumenfeld's trials

  • Polycystic Kidney, Autosomal Dominant
  • Polycystic Kidney Diseases

Recent clinical trials with Dr. Blumenfeld

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Sources for Dr. Jon David Blumenfeld'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Jon David Blumenfeld

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. Jon David Blumenfeld's NPI number?

Dr. Jon David Blumenfeld's NPI number is 1083689707. It was assigned on February 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jon David Blumenfeld?

Dr. Jon David Blumenfeld is a nephrologist in New York, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Jon David Blumenfeld practice?

Dr. Blumenfeld practices at 505 East 70th Street 2nd Floor, New York, NY 10021. Dr. Blumenfeld also practices at 525 E 68th St, New York, NY 10065. Dr. Blumenfeld's primary practice is Rogosin East Side Dialysis in New York, New York.

What is Dr. Jon David Blumenfeld's office phone number?

The practice phone on file for Dr. Blumenfeld is (212) 746-1558.

What is Dr. Jon David Blumenfeld's medical license number?

Dr. Blumenfeld holds New York license 150859.

What medical group is Dr. Jon David Blumenfeld part of?

Dr. Blumenfeld is linked to The Rogosin Institute.

Does Dr. Jon David Blumenfeld accept Medicare?

Yes. CMS data shows Dr. Blumenfeld billed Medicare for 187 services in 2021.

What services does Dr. Jon David Blumenfeld bill to Medicare?

In 2021, Dr. Blumenfeld's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and office visit, established patient (99213).

What drugs does Dr. Jon David Blumenfeld prescribe most?

In 2021 Medicare Part D data, Dr. Blumenfeld's most prescribed drugs by claims were Amlodipine Besylate, Hydrochlorothiazide and Metoprolol Succinate.

How long has Dr. Jon David Blumenfeld been practicing?

Dr. Blumenfeld's NPI was assigned in 2006.

Does Dr. Jon David Blumenfeld do research?

Dmand AI links 42 publications to Dr. Blumenfeld, published from 2010 to 2025. Dr. Blumenfeld has worked on 1 clinical trial.

Who does Dr. Jon David Blumenfeld publish with?

Dr. Blumenfeld's most frequent co-authors are Martin R. Prince, MD, PhD (26 shared papers), Daniil Shimonov, MD (7 shared papers) and Irina Barash, MD (6 shared papers).

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