Dr. Gabriel E. Feinstein, MD

  • Bronx, NY
  • Internist
NPI1114010337
Medicare services, 2019
211
Part D claims, 2020
926
Industry payments
$21
Affiliated sites
1
Medical group
1
Practice address
Mmg - Bronx East 2300 Westchester Avenue, Bronx, NY 10462
Practice phone
Call (718) 829-1900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Mmc-faculty Practice - Bronx (Mmg Bronx East)

Multi-specialty group site · Bronx, New York

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Dr. Gabriel E. Feinstein is an internist in Bronx, New York

Dr. Feinstein practices at Mmc-faculty Practice - Bronx (Mmg Bronx East) in Bronx, New York.

Dr. Feinstein's NPI, 1114010337, was assigned on October 2, 2006. Dr. Feinstein holds New York license 136558.

NPI and contact details
NPI enumeration date
October 2, 2006
NPI status
Active
Practice phone
(718) 829-1900
Professional email
Get email
Personal email
Get email
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. Gabriel E. Feinstein practices at 2 locations in Bronx, New York

Dr. Feinstein's primary practice is Mmc-faculty Practice - Bronx (Mmg Bronx East), at Mmg - Bronx East 2300 Westchester Avenue, Bronx, NY 10462. The practice phone is (718) 829-1900. The NPI Registry lists Dr. Feinstein's practice address as Mmg - Bronx East, Bronx, NY 10462.

  • Mmc-faculty Practice - Bronx (Mmg Bronx East)Primary
    Mmg - Bronx East 2300 Westchester Avenue, Bronx, NY 10462Phone(718) 829-1900
  • NPI Registry address
    Mmg - Bronx East, Bronx, NY 10462Phone(718) 409-8874

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

Dr. Gabriel E. Feinstein is affiliated with 1 site of care and 1 medical group

Dr. Feinstein's primary practice is Mmc-faculty Practice - Bronx (Mmg Bronx East) in Bronx, New York. The medical group on file is Montefiore Einstein Faculty Practice Group.

Mmc-faculty Practice - Bronx (Mmg Bronx East)Multi-specialty group site · Bronx, New YorkPrimary
Montefiore Einstein Faculty Practice GroupPrimary care group, Yonkers, NY

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

Dmand AI tracks the EHR system at Dr. Gabriel E. Feinstein's practice

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

EHR by site
SiteEHR vendor and product
Mmc-faculty Practice - Bronx (Mmg Bronx East)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Gabriel E. Feinstein is one of 9,643 internists in New York

Internal medicine is Dr. Feinstein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Feinstein is licensed in New York.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 136558 · taxonomy 207R00000X

Internists near Dr. Feinstein

Counts of internists 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. Gabriel E. Feinstein billed Medicare for 211 services in 2019

CMS data shows 211 Medicare services from Dr. Feinstein across 8 procedure codes in 2019. Medicare paid $15,362 for them. Every service was in an office.

Medicare services, 2019211
Paid by Medicare$15,362
Procedure codes8

Dr. Feinstein's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 1302019: 1226%
Other services
2018: 692019: 7610%
Tests and treatments
2018: 352019: 1363%

Dr. Feinstein compared with the New York median for internists, 2019

  • Dr. Feinstein
  • New York median
Medicare services
211vs 42650% below
Part D claims
926vs 62249% above

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Dr. Feinstein's most billed Medicare procedure codes, 2019

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. Gabriel E. Feinstein's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Dr. Feinstein's median patient age at 65, with 57% women.

Dr. Feinstein's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women57%
  • Men39%

Source: Dmand AI Patient Panel Data

Dr. Gabriel E. Feinstein wrote 926 Medicare Part D claims in 2020

In 2020, Dr. Feinstein wrote 926 Medicare Part D claims. They cover 26 drugs, with $81,112 in total drug cost. In 2019, CMS named 5,681 claims across 90 drugs.

Part D claims, 2020926
Drugs named by CMS26
Total drug cost$81,112

Dr. Feinstein's most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 5,6812020: 92684%

Drugs named by CMS: 26 in 2020, 90 in 2019.

See all prescribing by Dr. Feinstein

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

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Dr. Gabriel E. Feinstein received $21 in industry payments in 2016

CMS Open Payments shows 1 general payment to Dr. Feinstein from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Qiagen Sciences LLC paid the most, $21.

Companies that paid Dr. Feinstein the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Feinstein

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

Sources for Dr. Gabriel E. Feinstein'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)
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)
Industry paymentsOpen Payments (CMS) (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. Gabriel E. Feinstein

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. Gabriel E. Feinstein's NPI number?

Dr. Gabriel E. Feinstein's NPI number is 1114010337. It was assigned on October 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gabriel E. Feinstein?

Dr. Gabriel E. Feinstein is an internist in Bronx, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Gabriel E. Feinstein practice?

Dr. Feinstein practices at Mmg - Bronx East 2300 Westchester Avenue, Bronx, NY 10462. Dr. Feinstein also practices at Mmg - Bronx East, Bronx, NY 10462. Dr. Feinstein's primary practice is Mmc-faculty Practice - Bronx (Mmg Bronx East) in Bronx, New York.

What is Dr. Gabriel E. Feinstein's office phone number?

The practice phone on file for Dr. Feinstein is (718) 829-1900.

What is Dr. Gabriel E. Feinstein's medical license number?

Dr. Feinstein holds New York license 136558.

What medical group is Dr. Gabriel E. Feinstein part of?

Dr. Feinstein is linked to Montefiore Einstein Faculty Practice Group.

Does Dr. Gabriel E. Feinstein accept Medicare?

Yes. CMS data shows Dr. Feinstein billed Medicare for 211 services in 2019.

What services does Dr. Gabriel E. Feinstein bill to Medicare?

In 2019, Dr. Feinstein's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).

What drugs does Dr. Gabriel E. Feinstein prescribe most?

In 2020 Medicare Part D data, Dr. Feinstein's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metoprolol Succinate.

Has Dr. Gabriel E. Feinstein received payments from drug or device companies?

CMS Open Payments shows $21 in general payments to Dr. Feinstein from 1 company from 2016 to 2016. The largest total came from Qiagen Sciences LLC.

How long has Dr. Gabriel E. Feinstein been practicing?

Dr. Feinstein's NPI was assigned in 2006.

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