Dr. Lynn H. Ratner, MD
- Medicare services, 2022
- 2,189
- Part D claims, 2022
- 175
- Publications
- 1
- Industry payments
- $12,546
- Medical group
- 1
- Practice address
- 112 E 83rd St, New York, NY 10028
- Practice phone
- Call (631) 751-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Port Jefferson Station Medical Oncology
New York, New York
Find Dr. Ratner'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. Lynn H. Ratner is a hematologist and oncologist in New York, New York
Dr. Ratner practices at Port Jefferson Station Medical Oncology in New York, New York.
Dr. Ratner's NPI, 1891749255, was assigned on May 20, 2006. Dr. Ratner graduated from Albert Einstein College of Medicine of Yeshiva University in 1964. Dr. Ratner holds New York license 094845.
- NPI
- 1891749255NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Practice phone
- (631) 751-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 88
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lynn H. Ratner practices at Port Jefferson Station Medical Oncology in New York, New York
Dr. Ratner's primary practice is Port Jefferson Station Medical Oncology, at 112 E 83rd St, New York, NY 10028 in New York County. The practice phone is (631) 751-3000.
- Port Jefferson Station Medical Oncology112 E 83rd St, New York, NY 10028 · New York CountyPhone(631) 751-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lynn H. Ratner is affiliated with 1 site of care and 1 medical group
Dr. Ratner's primary practice is Port Jefferson Station Medical Oncology in New York, New York. The medical group on file is New York Cancer & Blood Specialists.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lynn H. Ratner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ratner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Port Jefferson Station Medical Oncology | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lynn H. Ratner is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Ratner's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Ratner is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Ratner
Counts of hematologists and oncologists 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. Lynn H. Ratner billed Medicare for 2,189 services in 2022
CMS data shows 2,189 Medicare services from Dr. Ratner across 26 procedure codes in 2022. Medicare paid $46,541 for them. Every service was in an office.
Dr. Ratner's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Lab and pathology
- 2021: 5,2042022: 1,30675%
- Office and hospital visits
- 2021: 1,5732022: 47070%
- Surgery
- 2021: 9742022: 31368%
- Tests and treatments
- 2021: 6132022: 10084%
- Drugs given in the office
- 2021: 7832022: 0100%
- Other services
- 2021: 362022: 0100%
Dr. Ratner compared with the New York median for hematologists and oncologists, 2022
- Dr. Ratner
- New York median
- Medicare services
- 2,189vs 6683.3 times
- Part D claims
- 175vs 25832% below
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Ratner's most billed Medicare procedure codes, 2022
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. Ratner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ratner and other hematologists and oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lynn H. Ratner's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Ratner's median patient age at 73, with 69% women.
Dr. Ratner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women69%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. Lynn H. Ratner wrote 175 Medicare Part D claims in 2022
In 2022, Dr. Ratner wrote 175 Medicare Part D claims. They cover 9 drugs, with $4,279 in total drug cost. In 2021, CMS named 648 claims across 31 drugs.
Dr. Ratner'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: 6482022: 17573%
Drugs named by CMS: 9 in 2022, 31 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Lynn H. Ratner has 1 publication on record
Dmand AI links 1 paper to Dr. Ratner. Dr. Ratner's most frequent co-authors are Joshua Brody, MD, Juskaran Chadha and Jonah Shulman.
Dr. Ratner's most frequent co-authors
Recent publications by Dr. Ratner
See who Dr. Ratner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ratner works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lynn H. Ratner received $12,546 in industry payments from 2016 to 2022
CMS Open Payments shows 389 general payments to Dr. Ratner from 57 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 70% of the total. Ipsen Biopharmaceuticals, Inc paid the most, $2,100.
General payments to Dr. Ratner by program year, 2016 to 2022
General payments to Dr. Ratner by kind, 2016 to 2022
- Food and beverage$8,75970%
- Consulting fees$2,00016%
- Honoraria$9007%
- Speaker and faculty fees$5004%
- Education$3873%
Companies that paid Dr. Ratner 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. Lynn H. Ratner graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Ratner graduated from Albert Einstein College of Medicine of Yeshiva University in 1964.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lynn H. Ratner'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Lynn H. Ratner
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. Lynn H. Ratner's NPI number?
Dr. Lynn H. Ratner's NPI number is 1891749255. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lynn H. Ratner?
Dr. Lynn H. Ratner is a hematologist and oncologist in New York, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Lynn H. Ratner practice?
Dr. Ratner practices at 112 E 83rd St, New York, NY 10028. Dr. Ratner's primary practice is Port Jefferson Station Medical Oncology in New York, New York.
What is Dr. Lynn H. Ratner's office phone number?
The practice phone on file for Dr. Ratner is (631) 751-3000.
What is Dr. Lynn H. Ratner's medical license number?
Dr. Ratner holds New York license 094845.
What medical group is Dr. Lynn H. Ratner part of?
Dr. Ratner is linked to New York Cancer & Blood Specialists.
Does Dr. Lynn H. Ratner accept Medicare?
Yes. CMS data shows Dr. Ratner billed Medicare for 2,189 services in 2022.
What services does Dr. Lynn H. Ratner bill to Medicare?
In 2022, Dr. Ratner's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (85025) and office visit, established patient (99213).
Where did Dr. Lynn H. Ratner go to medical school?
Dr. Ratner graduated from Albert Einstein College of Medicine of Yeshiva University in 1964.
What drugs does Dr. Lynn H. Ratner prescribe most?
In 2022 Medicare Part D data, Dr. Ratner's most prescribed drugs by claims were Atorvastatin Calcium, Letrozole and Amlodipine Besylate.
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Has Dr. Lynn H. Ratner received payments from drug or device companies?
CMS Open Payments shows $12,546 in general payments to Dr. Ratner from 57 companies from 2016 to 2022. The largest total came from Ipsen Biopharmaceuticals, Inc.
How long has Dr. Lynn H. Ratner been practicing?
Dr. Ratner graduated from medical school in 1964, 62 years ago.
Does Dr. Lynn H. Ratner do research?
Dmand AI links 1 publication to Dr. Ratner.
Who does Dr. Lynn H. Ratner publish with?
Dr. Ratner's most frequent co-authors are Joshua Brody, MD (1 shared paper), Juskaran Chadha (1 shared paper) and Jonah Shulman (1 shared paper).
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