Andrea M. Nissenbaum

  • Brooklyn, NY
  • Internist
NPI1255342325PAC ID7113901703
Medicare services, 2024
68
Medicare patients, 2024
46
Part D claims, 2024
1,994
Hospital affiliations
1
Industry payments
$7,881
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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Andrea M. Nissenbaum is an internist in Brooklyn, New York

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

Andrea Nissenbaum's NPI, 1255342325, was assigned on August 11, 2006. Andrea Nissenbaum graduated from State University of New York Downstate Medical Center in 1980. Andrea Nissenbaum holds New York license 149201-1.

NPI and contact details
Medicare PAC ID
7113901703
NPI enumeration date
August 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(718) 616-4834
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
72
Medical school graduation
1980

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

Andrea M. Nissenbaum practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York

Andrea Nissenbaum'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

Andrea M. Nissenbaum is affiliated with 1 site of care and 2 medical groups

Andrea Nissenbaum'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 Andrea Nissenbaum to 1 more medical group, named with a free account.

See all 3 affiliations for Andrea Nissenbaum

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

Dmand AI tracks the EHR system at Andrea M. Nissenbaum's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Andrea Nissenbaum 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
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Andrea M. Nissenbaum is one of 9,643 internists in New York

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

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 149201-1 · taxonomy 207R00000X

Internists near Andrea Nissenbaum

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

Andrea M. Nissenbaum billed Medicare for 68 services in 2024

CMS data shows 68 Medicare services from Andrea Nissenbaum across 1 procedure code in 2024, all of them office visits, for 46 Medicare patients. Medicare paid $4,969 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202468
Medicare patients46
Paid by Medicare$4,969
Procedure codes1

Andrea Nissenbaum's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 802024: 6815%

Andrea Nissenbaum compared with the New York median for internists, 2024

  • Andrea Nissenbaum
  • New York median
Medicare services
68vs 42684% below
Medicare patients
46vs 15871% below
Part D claims
1,601vs 6222.6 times

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

Andrea Nissenbaum'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 Andrea Nissenbaum

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

Andrea M. Nissenbaum treated 46 Medicare patients in 2024, average age 60

CMS counts 46 Medicare patients who saw Andrea Nissenbaum in 2024. The largest group is 65 to 74, with 22 patients. 74% of them have high cholesterol, and 61% have high blood pressure. 74% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Andrea Nissenbaum's median patient age at 63, with 65% women.

Medicare patients, 202446
Average age60
Average risk score1.07
Also on Medicaid74%

Andrea Nissenbaum's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Andrea Nissenbaum's Medicare patients by sex, 2024

  • Women2146%
  • Men2554%

Chronic conditions among Andrea Nissenbaum's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure61%
  3. Schizophrenia and other psychoses59%
  4. Mood disorders52%
  5. Anxiety48%
  6. Depression37%
  7. Diabetes37%
  8. Arthritis24%

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

Andrea Nissenbaum's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women65%
  • Men33%

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

Andrea M. Nissenbaum wrote 1,994 Medicare Part D claims in 2024

In 2024, Andrea Nissenbaum wrote 1,994 Medicare Part D claims for 89 patients. 74% of them were for generic drugs. CMS names the drug for 1,601 of them, across 43 drugs with 11 or more claims each, at $151,085 in total drug cost. In 2023, CMS named 1,538 claims across 45 drugs.

Part D claims, 20241,994
Drugs named by CMS43
Total drug cost$151,085
Part D patients89

Andrea Nissenbaum's Part D claims by kind of drug, 2024

  • Generic1,483 claims74%
  • Brand-name351 claims18%
  • Other160 claims8%

Andrea Nissenbaum'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.

Drug classes CMS tracks in Andrea Nissenbaum's Part D claims, 2024

  • Antibiotics1%13 of 1,994 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,5382024: 1,6014%

Drugs named by CMS: 43 in 2024, 45 in 2023.

See all prescribing by Andrea Nissenbaum

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

How Andrea M. Nissenbaum takes part in Medicare

Andrea Nissenbaum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Andrea M. Nissenbaum received $7,881 in industry payments from 2016 to 2025

CMS Open Payments shows 74 general payments to Andrea Nissenbaum from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $3,359.

General payments to Andrea Nissenbaum by program year, 2016 to 2025

Companies that paid Andrea Nissenbaum the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Andrea Nissenbaum

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

Andrea M. Nissenbaum graduated from State University of New York Downstate Medical Center

Andrea Nissenbaum graduated from State University of New York Downstate Medical Center in 1980.

  1. Medical schoolState University of New York Downstate Medical Center

Source: Dmand AI Professional Profile Data

Sources for Andrea M. Nissenbaum'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Andrea M. Nissenbaum

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

What is Andrea M. Nissenbaum's NPI number?

Andrea M. Nissenbaum's NPI number is 1255342325. It was assigned on August 11, 2006, and it is active in the NPI Registry.

What does Andrea M. Nissenbaum specialize in?

Andrea M. Nissenbaum is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Andrea M. Nissenbaum practice?

Andrea Nissenbaum practices at 2601 Ocean Parkway, Brooklyn, NY 11235. Andrea Nissenbaum'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 Andrea Nissenbaum to 1 medical group.

What is Andrea M. Nissenbaum's office phone number?

The practice phone on file for Andrea Nissenbaum is (718) 616-4834.

What is Andrea M. Nissenbaum's medical license number?

Andrea Nissenbaum holds New York license 149201-1.

Which hospitals is Andrea M. Nissenbaum affiliated with?

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

What medical group is Andrea M. Nissenbaum part of?

Andrea Nissenbaum is linked to Physician Affiliate Group of New York (PAGNY). Dmand AI links Andrea Nissenbaum to 1 more medical group.

Does Andrea M. Nissenbaum accept Medicare?

Yes. CMS data shows Andrea Nissenbaum billed Medicare for 68 services in 2024, and Andrea Nissenbaum accepts Medicare assignment.

How many Medicare patients does Andrea M. Nissenbaum see?

CMS counts 46 Medicare patients who saw Andrea Nissenbaum in 2024, with an average age of 60.

What services does Andrea M. Nissenbaum bill to Medicare?

In 2024, Andrea Nissenbaum's most billed Medicare services were office visit, established patient (99214).

Show 4 more questionsShow fewer questions

Where did Andrea M. Nissenbaum go to medical school?

Andrea Nissenbaum graduated from State University of New York Downstate Medical Center in 1980.

What drugs does Andrea M. Nissenbaum prescribe most?

In 2024 Medicare Part D data, Andrea Nissenbaum's most prescribed drugs by claims were Atorvastatin Calcium, Pantoprazole Sodium and Metformin HCl ER.

Has Andrea M. Nissenbaum received payments from drug or device companies?

CMS Open Payments shows $7,881 in general payments to Andrea Nissenbaum from 19 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Andrea M. Nissenbaum been practicing?

Andrea Nissenbaum graduated from medical school in 1980, 46 years ago.

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