Dr. Gerald Grodstein, MD

  • Englewood, NJ
  • Nephrologist
NPI1245211440PAC ID5395808950
Medicare services, 2024
1,510
Medicare patients, 2024
434
Part D claims, 2024
3,259
Publications
1
MIPS score, 2024
96
Practice address
300 Grand Ave, Englewood, NJ 07631
Practice phone
Call (201) 941-6601
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresenius Medical Care Fairview

Englewood, New Jersey

See all 11 affiliations

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Dr. Gerald Grodstein is a nephrologist in Englewood, New Jersey

Dr. Grodstein practices at Fresenius Medical Care Fairview in Englewood, New Jersey.

Dr. Grodstein's NPI, 1245211440, was assigned on November 7, 2005. Dr. Grodstein graduated from SUNY Downstate Health Sciences University in 1974. Dr. Grodstein holds New Jersey license 25MA03799200.

NPI and contact details
Medicare PAC ID
5395808950
NPI enumeration date
November 7, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(201) 941-6601
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
78
Medical school graduation
1974

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

Dr. Gerald Grodstein practices at Fresenius Medical Care Fairview in Englewood, New Jersey

Dr. Grodstein's primary practice is Fresenius Medical Care Fairview, at 300 Grand Ave, Englewood, NJ 07631 in Bergen County. The practice phone is (201) 941-6601.

  • Fresenius Medical Care Fairview
    300 Grand Ave, Englewood, NJ 07631 · Bergen CountyPhone(201) 941-6601

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gerald Grodstein is affiliated with 9 sites of care and 2 medical groups

Dr. Grodstein's primary practice is Fresenius Medical Care Fairview in Englewood, New Jersey. Dr. Grodstein is also affiliated with Englewood Hospital. The medical group on file is Medical Associates at Englewood. Dmand AI also links Dr. Grodstein to 3 more dialysis centers, 2 group practices and clinics, 2 home health agencies and 1 medical group, each named with a free account.

See all 11 affiliations for Dr. Grodstein

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gerald Grodstein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grodstein practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresenius Medical Care FairviewAvailable with a free account
+8 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Gerald Grodstein is one of 399 nephrologists in New Jersey

Nephrology is Dr. Grodstein's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Grodstein is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Grodstein's licenses on file in 3 states: New Jersey, California and New York.

Specialties and state licenses

  • Nephrology, New JerseyPrimaryLicense 25MA03799200 · 1982 to 2027 · taxonomy 207RN0300X
  • California licenseSince 1977
  • New York licenseSince 1975

Clinical focus

Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances, gout, hypercalcemia, kidney cysts, kidney disease and parathyroid gland disorder among the conditions Dr. Grodstein treats.

Nephrologists near Dr. Grodstein

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. Gerald Grodstein billed Medicare for 1,510 services in 2024

CMS data shows 1,510 Medicare services from Dr. Grodstein across 19 procedure codes in 2024, for 434 Medicare patients. Medicare paid $134,666 for them.

Medicare services, 20241,510
Medicare patients434
Paid by Medicare$134,666
Procedure codes19

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

  • 2023
  • 2024
Office and hospital visits
2023: 8132024: 8535%
Tests and treatments
2023: 2982024: 2932%
Other services
2023: 1662024: 22938%
Surgery
2023: 1662024: 13519%

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

  • In an office1,30987%
  • In a facility20113%

Dr. Grodstein compared with the New Jersey median for nephrologists, 2024

  • Dr. Grodstein
  • New Jersey median
Medicare services
1,510vs 1,3829% above
Medicare patients
434vs 37117% above
Part D claims
2,800vs 9453.0 times

Medians across 397 nephrologists in New Jersey with Dmand AI profiles that report each measure.

Dr. Grodstein'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. Grodstein

Need commercial claims for Dr. Grodstein?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grodstein and other nephrologists in New Jersey.

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

Dr. Gerald Grodstein treated 434 Medicare patients in 2024, average age 77

CMS counts 434 Medicare patients who saw Dr. Grodstein in 2024. The largest group is 75 to 84, with 187 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 2.73, 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. Grodstein's median patient age at 77, with 35% women.

Medicare patients, 2024434
Average age77
Average risk score2.73
Also on Medicaid8%

Dr. Grodstein's Medicare patients by age, 2024

Dr. Grodstein's Medicare patients by sex, 2024

  • Women17540%
  • Men25960%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease62%
  4. Arthritis52%
  5. Diabetes47%
  6. Ischemic heart disease44%
  7. Heart failure29%
  8. Atrial fibrillation24%

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

Dr. Grodstein's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women35%
  • Men62%

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

Dr. Gerald Grodstein wrote 3,259 Medicare Part D claims in 2024

In 2024, Dr. Grodstein wrote 3,259 Medicare Part D claims for 338 patients. 87% of them were for generic drugs. CMS names the drug for 2,800 of them, across 75 drugs with 11 or more claims each, at $615,005 in total drug cost. In 2023, CMS named 2,749 claims across 72 drugs.

Part D claims, 20243,259
Drugs named by CMS75
Total drug cost$615,005
Part D patients338

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

  • Generic2,823 claims87%
  • Brand-name and other436 claims13%

Dr. Grodstein'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 Dr. Grodstein's Part D claims, 2024

  • Antibiotics1%32 of 3,259 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: 2,7492024: 2,8002%

Drugs named by CMS: 75 in 2024, 72 in 2023.

See all prescribing by Dr. Grodstein

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

Dr. Gerald Grodstein scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Grodstein for performance year 2024, reported through an alternative payment model (APM). Dr. Grodstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Grodstein's MIPS scores, performance year 2024

  • 96of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Gerald Grodstein has 1 publication on record

Dmand AI links 1 paper to Dr. Grodstein. Dr. Grodstein's most frequent co-author is Joel D. Kopple, MD.

Papers1

Dr. Grodstein's most frequent co-authors

Recent publications by Dr. Grodstein

See all 1 publications and co-authors

See who Dr. Grodstein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grodstein 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. Gerald Grodstein received $10,126 in industry payments from 2016 to 2025

CMS Open Payments shows 395 general payments to Dr. Grodstein from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Horizon Pharma plc paid the most, $1,821.

General payments to Dr. Grodstein by program year, 2016 to 2025

General payments to Dr. Grodstein by kind, 2016 to 2025

$10.1Kin total
  • Food and beverage$8,15981%
  • Honoraria$1,62016%
  • Education$2352%
  • Travel and lodging$1111%

Companies that paid Dr. Grodstein the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Grodstein

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

Dr. Gerald Grodstein has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Grodstein, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Grodstein

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • Checkbook Top Doc

Source: Dmand AI Professional Profile Data

Dr. Gerald Grodstein graduated from SUNY Downstate Health Sciences University

Dr. Grodstein graduated from SUNY Downstate Health Sciences University in 1974.

  1. Medical schoolSUNY Downstate Health Sciences University
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Gerald Grodstein accepts plans from 16 insurance carriers

Dr. Grodstein is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Horizon Blue Cross Blue Shield of New Jersey
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Grodstein accepts, by number of carriers

  1. PPO10
  2. HMO9
  3. Medicare9
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gerald Grodstein'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Gerald Grodstein

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. Gerald Grodstein's NPI number?

Dr. Gerald Grodstein's NPI number is 1245211440. It was assigned on November 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Gerald Grodstein?

Dr. Gerald Grodstein is a nephrologist in Englewood, New Jersey. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Gerald Grodstein practice?

Dr. Grodstein practices at 300 Grand Ave, Englewood, NJ 07631. Dr. Grodstein's primary practice is Fresenius Medical Care Fairview in Englewood, New Jersey. Dmand AI also links Dr. Grodstein to 3 dialysis centers, 2 group practices and clinics, 2 home health agencies and 1 medical group.

What is Dr. Gerald Grodstein's office phone number?

The practice phone on file for Dr. Grodstein is (201) 941-6601.

What is Dr. Gerald Grodstein's medical license number?

Dr. Grodstein holds New Jersey license 25MA03799200, one of the licenses on file in 3 states.

Which states has Dr. Gerald Grodstein been licensed in?

Dmand AI has state licenses on file for Dr. Grodstein in New Jersey (1982 to 2027), California (since 1977) and New York (since 1975).

Which hospitals is Dr. Gerald Grodstein affiliated with?

Dr. Grodstein is affiliated with Englewood Hospital.

What medical group is Dr. Gerald Grodstein part of?

Dr. Grodstein is linked to Medical Associates at Englewood. Dmand AI links Dr. Grodstein to 1 more medical group.

Does Dr. Gerald Grodstein accept Medicare?

Yes. CMS data shows Dr. Grodstein billed Medicare for 1,510 services in 2024, and Dr. Grodstein accepts Medicare assignment.

What is Dr. Gerald Grodstein's MIPS score?

Dr. Grodstein's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Gerald Grodstein see?

CMS counts 434 Medicare patients who saw Dr. Grodstein in 2024, with an average age of 77.

Is Dr. Gerald Grodstein board certified?

Yes. Dr. Grodstein is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Gerald Grodstein bill to Medicare?

In 2024, Dr. Grodstein's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).

Where did Dr. Gerald Grodstein go to medical school?

Dr. Grodstein graduated from SUNY Downstate Health Sciences University in 1974.

What drugs does Dr. Gerald Grodstein prescribe most?

In 2024 Medicare Part D data, Dr. Grodstein's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.

Has Dr. Gerald Grodstein received payments from drug or device companies?

CMS Open Payments shows $10,126 in general payments to Dr. Grodstein from 45 companies from 2016 to 2025. The largest total came from Horizon Pharma plc.

How long has Dr. Gerald Grodstein been practicing?

Dr. Grodstein graduated from medical school in 1974, 52 years ago.

Does Dr. Gerald Grodstein do research?

Dmand AI links 1 publication to Dr. Grodstein.

Who does Dr. Gerald Grodstein publish with?

Dr. Grodstein's most frequent co-authors are Joel D. Kopple, MD (1 shared paper).

What insurance does Dr. Gerald Grodstein accept?

Dr. Grodstein is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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