Ellen Chelnitsky, D.O.
Internal Medicine Physician · Brooklyn, NY
Ellen Chelnitsky, D.O. is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1164785390, issued on Jun 21, 2012. Check the license (New York 280614, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ellen Chelnitsky
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 280614 NY
Self-reported in NPPES; status is on the state search - Practice location
- 133A W End Ave Ste 1, Brooklyn, NY 11235
- Phone
- (718) 891-1300
- Enumerated
- Jun 21, 2012
- Record last updated
- Aug 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (718) 891-1301
- Medicare enrollment
- Enrolled (PECOS I20150929003293); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Ellen Chelnitsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 280614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,240 Medicare Part D claims for 115 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 19 claims were for opioids.
Most prescribed
- Amlodipine Besylate103 claims
- Atorvastatin Calcium88 claims
- Levothyroxine Sodium82 claims
- Rosuvastatin Calcium70 claims
- Losartan Potassium66 claims
- Vascepa65 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $13.45
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ellen Chelnitsky among 12,067 internal medicine physician records in New York
Ellen Chelnitsky, D.O. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2002 among the 7,221 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lance Austein, MDBrooklyn, NY 112351366430969
- Marika Cherfas, M.D.Brooklyn, NY 112351306807490
- Alexey Isakov, MDBrooklyn, NY 112351093798746
- Boris Itskovich, M.DBrooklyn, NY 112351235197252
- Mihail Medvedovsky, MDBrooklyn, NY 112351962408880
- Irene Perloff, D.O., M.D.Brooklyn, NY 112351982699773
- Yevgeniya Rabovetskaya, M.D.Brooklyn, NY 112351710940416
- Shaya Raykher, MDBrooklyn, NY 112351083613707
Common questions
What is Ellen Chelnitsky, D.O.'s NPI number?
Ellen Chelnitsky, D.O.'s National Provider Identifier (NPI) is 1164785390, issued on Jun 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Chelnitsky, D.O. located?
The NPPES record lists a practice address at 133A W End Ave Ste 1, Brooklyn, NY, 11235. Phone: (718) 891-1300. Providers update this record themselves, so call before visiting.
How can I verify Ellen Chelnitsky, D.O.'s license?
NPPES lists New York license number 280614, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ellen Chelnitsky, D.O. prescribe under Medicare Part D?
In 2024, Ellen Chelnitsky, D.O. had 2,240 Medicare Part D claims for 115 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.