Dr. David Ira Fierstein, MD
- Medicare services, 2024
- 767
- Medicare patients, 2024
- 182
- Part D claims, 2024
- 1,679
- MIPS score, 2024
- 91
- Industry payments
- $4,221
- Practice address
- 1300 Union Turnpike, New Hyde Park, NY 11040
- Practice phone
- Call (212) 263-1481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone Medical Center - Tisch Hospital
New Hyde Park, New York
Find Dr. Fierstein's professional email, personal email and mobile number
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Dr. David Ira Fierstein is an internist in New Hyde Park, New York
Dr. Fierstein practices at NYU Langone Medical Center - Tisch Hospital in New Hyde Park, New York.
Dr. Fierstein's NPI, 1265507685, was assigned on November 21, 2006. Dr. Fierstein graduated from New York Medical College in 1987. Dr. Fierstein holds New York license 178176.
- NPI
- 1265507685NPI Registry (opens in a new tab)
- NPI enumeration date
- November 21, 2006
- NPI status
- Active
- Practice phone
- (212) 263-1481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David Ira Fierstein practices at NYU Langone Medical Center - Tisch Hospital in New Hyde Park, New York
Dr. Fierstein's primary practice is NYU Langone Medical Center - Tisch Hospital, at 1300 Union Turnpike, New Hyde Park, NY 11040 in Nassau County. The practice phone is (212) 263-1481.
- NYU Langone Medical Center - Tisch Hospital1300 Union Turnpike, New Hyde Park, NY 11040 · Nassau CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Ira Fierstein is affiliated with 2 sites of care and 1 medical group
Dr. Fierstein's primary practice is NYU Langone Medical Center - Tisch Hospital in New Hyde Park, New York. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Fierstein to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Ira Fierstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fierstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone Medical Center - Tisch Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Ira Fierstein is one of 9,643 internists in New York
Internal medicine is Dr. Fierstein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fierstein is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Fierstein
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. David Ira Fierstein billed Medicare for 767 services in 2024
CMS data shows 767 Medicare services from Dr. Fierstein across 8 procedure codes in 2024, for 182 Medicare patients. Medicare paid $45,148 for them. Every service was in an office.
Dr. Fierstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2792024: 22719%
- Tests and treatments
- 2023: 2322024: 19516%
- Surgery
- 2023: 2022024: 18210%
- Other services
- 2023: 1862024: 16312%
Dr. Fierstein compared with the New York median for internists, 2024
- Dr. Fierstein
- New York median
- Medicare services
- 767vs 42680% above
- Medicare patients
- 182vs 15815% above
- Part D claims
- 1,346vs 6222.2 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Fierstein'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fierstein and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Ira Fierstein treated 182 Medicare patients in 2024, average age 76
CMS counts 182 Medicare patients who saw Dr. Fierstein in 2024. The largest group is 65 to 74, with 85 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fierstein's median patient age at 68, with 44% women.
Dr. Fierstein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fierstein's Medicare patients by sex, 2024
- Women9452%
- Men8848%
Chronic conditions among Dr. Fierstein's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis38%
- Ischemic heart disease34%
- Cancer25%
- Diabetes22%
- Osteoporosis19%
- COPD16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fierstein'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
- Women44%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Ira Fierstein wrote 1,679 Medicare Part D claims in 2024
In 2024, Dr. Fierstein wrote 1,679 Medicare Part D claims for 197 patients. 92% of them were for generic drugs. CMS names the drug for 1,346 of them, across 34 drugs with 11 or more claims each, at $28,876 in total drug cost. In 2023, CMS named 1,502 claims across 40 drugs.
Dr. Fierstein's Part D claims by kind of drug, 2024
- Generic1,542 claims92%
- Brand-name125 claims7%
- Other12 claims1%
Dr. Fierstein'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. Fierstein's Part D claims, 2024
- Antibiotics3%51 of 1,679 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: 1,5022024: 1,34610%
Drugs named by CMS: 34 in 2024, 40 in 2023.
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. David Ira Fierstein scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Fierstein for performance year 2024, reported as part of a group.
Dr. Fierstein's MIPS scores, performance year 2024
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David Ira Fierstein received $4,221 in industry payments from 2016 to 2022
CMS Open Payments shows 113 general payments to Dr. Fierstein from 23 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $1,256.
General payments to Dr. Fierstein by program year, 2016 to 2022
General payments to Dr. Fierstein by kind, 2016 to 2022
- Food and beverage$4,12098%
- Education$1012%
Companies that paid Dr. Fierstein the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Ira Fierstein graduated from New York Medical College
Dr. Fierstein graduated from New York Medical College in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Ira Fierstein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Ira Fierstein
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. David Ira Fierstein's NPI number?
Dr. David Ira Fierstein's NPI number is 1265507685. It was assigned on November 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Ira Fierstein?
Dr. David Ira Fierstein is an internist in New Hyde Park, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Ira Fierstein practice?
Dr. Fierstein practices at 1300 Union Turnpike, New Hyde Park, NY 11040. Dr. Fierstein's primary practice is NYU Langone Medical Center - Tisch Hospital in New Hyde Park, New York. Dmand AI also links Dr. Fierstein to 1 group practice or clinic.
What is Dr. David Ira Fierstein's office phone number?
The practice phone on file for Dr. Fierstein is (212) 263-1481.
What is Dr. David Ira Fierstein's medical license number?
Dr. Fierstein holds New York license 178176.
What medical group is Dr. David Ira Fierstein part of?
Dr. Fierstein is linked to NYU Langone Orthopedic Surgery Associates.
Does Dr. David Ira Fierstein accept Medicare?
Yes. CMS data shows Dr. Fierstein billed Medicare for 767 services in 2024.
What is Dr. David Ira Fierstein's MIPS score?
Dr. Fierstein's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. David Ira Fierstein see?
CMS counts 182 Medicare patients who saw Dr. Fierstein in 2024, with an average age of 76.
What services does Dr. David Ira Fierstein bill to Medicare?
In 2024, Dr. Fierstein's most billed Medicare services were surgery: heart and blood vessels (36415), heart test or procedure (93000) and medicare service (G0439).
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Where did Dr. David Ira Fierstein go to medical school?
Dr. Fierstein graduated from New York Medical College in 1987.
What drugs does Dr. David Ira Fierstein prescribe most?
In 2024 Medicare Part D data, Dr. Fierstein's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. David Ira Fierstein received payments from drug or device companies?
CMS Open Payments shows $4,221 in general payments to Dr. Fierstein from 23 companies from 2016 to 2022. The largest total came from Amgen Inc.
How long has Dr. David Ira Fierstein been practicing?
Dr. Fierstein graduated from medical school in 1987, 39 years ago.
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