Dr. Eric Zweifach, MD
- Medicare services, 2024
- 1,945
- Medicare patients, 2024
- 718
- Part D claims, 2024
- 1,177
- MIPS score, 2024
- 92
- Hospital affiliations
- 2
- Practice address
- 100 East 77th Street, New York, NY 10075
- Practice phone
- Call (212) 434-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zweifach's professional email, personal email and mobile number
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Dr. Eric Zweifach is an ophthalmologist in New York, New York
Dr. Zweifach practices at Lenox Hill Hospital in New York, New York, part of Northwell Health.
Dr. Zweifach's NPI, 1497753883, was assigned on July 11, 2005. Dr. Zweifach graduated from Tufts University School of Medicine in 1992. Dr. Zweifach holds New York license 213016.
- NPI
- 1497753883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002091469
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Practice phone
- (212) 434-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Eric Zweifach practices at Lenox Hill Hospital in New York, New York
Dr. Zweifach's primary practice is Lenox Hill Hospital, at 100 East 77th Street, New York, NY 10075 in New York County. The practice phone is (212) 434-2000.
- Lenox Hill Hospital100 East 77th Street, New York, NY 10075 · New York CountyPhone(212) 434-2000
Source: Dmand AI Affiliation Data
Dr. Eric Zweifach is affiliated with 3 sites of care
Dr. Zweifach's primary practice is Lenox Hill Hospital in New York, New York, part of Northwell Health. Dr. Zweifach is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. Dmand AI also links Dr. Zweifach to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Zweifach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zweifach practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lenox Hill Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Zweifach is one of 1,467 ophthalmologists in New York
Ophthalmology is Dr. Zweifach's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Zweifach is licensed in New York.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
Ophthalmologists near Dr. Zweifach
Counts of ophthalmologists 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. Eric Zweifach billed Medicare for 1,945 services in 2024
CMS data shows 1,945 Medicare services from Dr. Zweifach across 12 procedure codes in 2024, for 718 Medicare patients. Medicare paid $145,233 for them.
Dr. Zweifach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,6022024: 1,7248%
- Office and hospital visits
- 2023: 872024: 915%
- Surgery
- 2023: 662024: 8427%
- Imaging
- 2023: 492024: 466%
Where Dr. Zweifach's Medicare services took place, 2024
- In an office1,86196%
- In a facility844%
Dr. Zweifach compared with the New York median for ophthalmologists, 2024
- Dr. Zweifach
- New York median
- Medicare services
- 1,945vs 1,25855% above
- Medicare patients
- 718vs 43665% above
- Part D claims
- 1,093vs 64769% above
Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.
Dr. Zweifach'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. Zweifach and other ophthalmologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Zweifach treated 718 Medicare patients in 2024, average age 79
CMS counts 718 Medicare patients who saw Dr. Zweifach in 2024. The largest group is 75 to 84, with 347 patients. 74% of them have high cholesterol, and 54% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zweifach's median patient age at 71, with 54% women.
Dr. Zweifach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zweifach's Medicare patients by sex, 2024
- Women43661%
- Men28239%
Chronic conditions among Dr. Zweifach's Medicare patients, 2024
- High cholesterol74%
- High blood pressure54%
- Arthritis43%
- Osteoporosis29%
- Ischemic heart disease22%
- Cancer19%
- Diabetes15%
- Anxiety13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zweifach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Zweifach wrote 1,177 Medicare Part D claims in 2024
In 2024, Dr. Zweifach wrote 1,177 Medicare Part D claims for 234 patients. 61% of them were for generic drugs. CMS names the drug for 1,093 of them, across 17 drugs with 11 or more claims each, at $107,821 in total drug cost. In 2023, CMS named 982 claims across 14 drugs.
Dr. Zweifach's Part D claims by kind of drug, 2024
- Generic717 claims61%
- Brand-name460 claims39%
Dr. Zweifach'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9822024: 1,09311%
Drugs named by CMS: 17 in 2024, 14 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. Eric Zweifach scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Zweifach for performance year 2024, reported individually. CMS counts 94 procedures of cataract surgery by Dr. Zweifach, more than 73% of the clinicians it reports for that procedure.
Dr. Zweifach's MIPS scores, performance year 2024
- 92of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Zweifach ranks in Medicare procedure volume
- Cataract surgery
- 73rd percentile94 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eric Zweifach received $31 in industry payments in 2018
CMS Open Payments shows 2 general payments to Dr. Zweifach from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $31.
Companies that paid Dr. Zweifach the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Zweifach graduated from Tufts University School of Medicine
Dr. Zweifach graduated from Tufts University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric Zweifach'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (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. Eric Zweifach
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. Eric Zweifach's NPI number?
Dr. Eric Zweifach's NPI number is 1497753883. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Zweifach?
Dr. Eric Zweifach is an ophthalmologist in New York, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Eric Zweifach practice?
Dr. Zweifach practices at 100 East 77th Street, New York, NY 10075. Dr. Zweifach's primary practice is Lenox Hill Hospital in New York, New York, part of Northwell Health. Dmand AI also links Dr. Zweifach to 1 physician office.
What is Dr. Eric Zweifach's office phone number?
The practice phone on file for Dr. Zweifach is (212) 434-2000.
What is Dr. Eric Zweifach's medical license number?
Dr. Zweifach holds New York license 213016.
Which hospitals is Dr. Eric Zweifach affiliated with?
Dr. Zweifach practices at Lenox Hill Hospital in New York, New York. Dr. Zweifach is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.
Does Dr. Eric Zweifach accept Medicare?
Yes. CMS data shows Dr. Zweifach billed Medicare for 1,945 services in 2024.
What is Dr. Eric Zweifach's MIPS score?
Dr. Zweifach's MIPS final score for performance year 2024 is 92 out of 100, reported individually.
How many Medicare patients does Dr. Eric Zweifach see?
CMS counts 718 Medicare patients who saw Dr. Zweifach in 2024, with an average age of 79.
What services does Dr. Eric Zweifach bill to Medicare?
In 2024, Dr. Zweifach's most billed Medicare services were eye exam or test (92014), eye exam or test (92133) and eye exam or test (92020).
Show 4 more questionsShow fewer questions
Where did Dr. Eric Zweifach go to medical school?
Dr. Zweifach graduated from Tufts University School of Medicine in 1992.
What drugs does Dr. Eric Zweifach prescribe most?
In 2024 Medicare Part D data, Dr. Zweifach's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Prednisolone Acetate.
Has Dr. Eric Zweifach received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Dr. Zweifach from 1 company from 2018 to 2018. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Dr. Eric Zweifach been practicing?
Dr. Zweifach graduated from medical school in 1992, 34 years ago.
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