Doctor profile · Federal record

Dr. Ellen Chelnitsky, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Brooklyn, NY

  • NPI 1164785390
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133A W End Ave Ste 1
Brooklyn, NY 112354808
(718) 891-1300
fax (718) 891-1301

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
August 24, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #280614

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164785390. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
292
Distinct HCPCS
3
Medicare allowed
$30,207
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 259 54 $105
99212 Established patient office or other outpatient visit, 10-19 minutes 22 12 $66
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $133

In context: peer comparison

Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$13
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $13.45

By nature of payment

Food and Beverage
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
729
Patients
118
Total drug cost
$26,015
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 77 19 $1,541
Losartan Potassium Generic 74 16 $1,507
Levothyroxine Sodium Generic 68 12 $860
Amlodipine Besylate Generic 59 21 $676
Rosuvastatin Calcium Generic 55 0 $587
Omeprazole Generic 52 15 $490
Metoprolol Tartrate Generic 51 0 $473
Simvastatin Generic 46 14 $710
Lisinopril Generic 40 0 $393
Metformin Hcl Generic 40 0 $567

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Chelnitsky's medical specialty?
Dr. Ellen Chelnitsky practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Ellen Chelnitsky practice?
Dr. Ellen Chelnitsky practices at 133A W End Ave Ste 1, Brooklyn, NY 112354808. Office phone: 7188911300.
What is Dr. Ellen Chelnitsky's NPI?
Dr. Ellen Chelnitsky's National Provider Identifier (NPI) is 1164785390, issued by NPPES.
Does Dr. Ellen Chelnitsky accept Medicare assignment?
Yes. Dr. Ellen Chelnitsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Chelnitsky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.