Surg Clin North Am
Dr. Hillel Sander Hammerman, MD
- Medicare services, 2021
- 165
- Part D claims, 2024
- 14
- Publications
- 1
- Industry payments
- $108
- Medical group
- 1
- Practice address
- 210 E 73rd St, New York, NY 10021-4395
- Practice phone
- Call (212) 288-1030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hammerman's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Hillel Sander Hammerman is a gastroenterologist in New York, New York
Dr. Hammerman practices with Northwell Health Physician Partners Cardiology at Great Neck, a medical group.
Dr. Hammerman's NPI, 1619911021, was assigned on June 15, 2006. Dr. Hammerman holds New York license 153188.
- NPI
- 1619911021NPI Registry (opens in a new tab)
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Practice phone
- (212) 288-1030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Hillel Sander Hammerman's practice address is in New York, New York
Dr. Hammerman's practice address in the NPI Registry is 210 E 73rd St, New York, NY 10021-4395. The practice phone is (212) 288-1030.
- NPI Registry address210 E 73rd St, New York, NY 10021-4395Phone(212) 288-1030
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hillel Sander Hammerman is affiliated with 1 medical group
Dr. Hammerman is part of Northwell Health Physician Partners Cardiology at Great Neck, a medical group in Westbury, New York.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Hillel Sander Hammerman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hammerman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwell Health Physician Partners Cardiology at Great Neck | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwell Health Physician Partners Cardiology at Great Neck and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Hillel Sander Hammerman is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Hammerman's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Hammerman is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Hammerman
Counts of gastroenterologists 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. Hillel Sander Hammerman billed Medicare for 165 services in 2021
CMS data shows 165 Medicare services from Dr. Hammerman across 5 procedure codes in 2021. Medicare paid $11,875 for them. Every service was in an office.
Dr. Hammerman's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1242021: 8730%
- Surgery
- 2020: 842021: 5930%
- Other services
- 2020: 532021: 1964%
- Tests and treatments
- 2020: 262021: 0100%
Dr. Hammerman compared with the New York median for gastroenterologists, 2021
- Dr. Hammerman
- New York median
- Medicare services
- 165vs 42161% below
- Part D claims
- 246vs 38236% below
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Hammerman's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hammerman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hammerman and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hillel Sander Hammerman's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Hammerman's median patient age at 72, with 72% women.
Dr. Hammerman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women72%
- Men28%
Source: Dmand AI Patient Panel Data
Dr. Hillel Sander Hammerman wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Hammerman wrote 14 Medicare Part D claims. 79% of them were for generic drugs. They cover 11 drugs, with $3,124 in total drug cost. In 2021, CMS named 1,031 claims across 31 drugs.
Dr. Hammerman's Part D claims by kind of drug, 2024
- Generic11 claims79%
- Brand-name and other3 claims21%
Dr. Hammerman's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1,0312022: 24676%
Drugs named by CMS: 11 in 2022, 31 in 2021.
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
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Dr. Hillel Sander Hammerman has 1 publication on record
Dmand AI links 1 paper to Dr. Hammerman. Dr. Hammerman's most frequent co-authors are Howard Warren Bruckner, MD, Seth Cohen and Andrew Michael Fader, MD.
Dr. Hammerman's most frequent co-authors
- Howard Warren Bruckner, MD1 shared paper
- Seth Cohen1 shared paper
- Andrew Michael Fader, MD1 shared paper
Recent publications by Dr. Hammerman
See who Dr. Hammerman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hammerman works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hillel Sander Hammerman received $108 in industry payments from 2016 to 2017
CMS Open Payments shows 11 general payments to Dr. Hammerman from 6 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 95% of the total. Shire North American Group Inc paid the most, $41.
General payments to Dr. Hammerman by program year, 2016 to 2017
General payments to Dr. Hammerman by kind, 2016 to 2017
- Food and beverage$10395%
- Education$55%
Companies that paid Dr. Hammerman the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Hillel Sander Hammerman'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 | Dmand 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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Hillel Sander Hammerman
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. Hillel Sander Hammerman's NPI number?
Dr. Hillel Sander Hammerman's NPI number is 1619911021. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hillel Sander Hammerman?
Dr. Hillel Sander Hammerman is a gastroenterologist in New York, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Hillel Sander Hammerman practice?
Dr. Hammerman practices at 210 E 73rd St, New York, NY 10021-4395. Dr. Hammerman's primary practice is Northwell Health Physician Partners Cardiology at Great Neck, a medical group.
What is Dr. Hillel Sander Hammerman's office phone number?
The practice phone on file for Dr. Hammerman is (212) 288-1030.
What is Dr. Hillel Sander Hammerman's medical license number?
Dr. Hammerman holds New York license 153188.
What medical group is Dr. Hillel Sander Hammerman part of?
Dr. Hammerman is part of Northwell Health Physician Partners Cardiology at Great Neck in Westbury, New York.
Does Dr. Hillel Sander Hammerman accept Medicare?
Yes. CMS data shows Dr. Hammerman billed Medicare for 165 services in 2021.
What services does Dr. Hillel Sander Hammerman bill to Medicare?
In 2021, Dr. Hammerman's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Hillel Sander Hammerman prescribe most?
In 2022 Medicare Part D data, Dr. Hammerman's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Hillel Sander Hammerman received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Dr. Hammerman from 6 companies from 2016 to 2017. The largest total came from Shire North American Group Inc.
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How long has Dr. Hillel Sander Hammerman been practicing?
Dr. Hammerman's NPI was assigned in 2006.
Does Dr. Hillel Sander Hammerman do research?
Dmand AI links 1 publication to Dr. Hammerman.
Who does Dr. Hillel Sander Hammerman publish with?
Dr. Hammerman's most frequent co-authors are Howard Warren Bruckner, MD (1 shared paper), Seth Cohen (1 shared paper) and Andrew Michael Fader, MD (1 shared paper).
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