Doctor profile · Federal record

Dr. Ewa Gajewska, MD

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

  • NPI 1942399373
  • 47 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1923 Bay Ridge Parkway
Brooklyn, NY 112045727
(718) 256-7777
fax (718) 256-7776

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 5, 2008
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #2184831

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942399373. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
298
Distinct HCPCS
5
Medicare allowed
$22,265
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 92 32 $100
99214 Established patient office or other outpatient visit, 30-39 minutes 69 31 $141
36415 Insertion of needle into vein for collection of blood sample 62 33 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 41 24 $16
99212 Established patient office or other outpatient visit, 10-19 minutes 34 19 $63

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.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
435
Patients
77
Total drug cost
$4,324
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 68 18 $750
Levothyroxine Sodium Generic 53 0 $581
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 36 0 $814
Lisinopril Generic 31 0 $152
Simvastatin Generic 30 0 $267
Chlorhexidine Gluconate Generic 27 22 $196
Hydrochlorothiazide Generic 25 0 $166
Azithromycin Generic 24 20 $175
Metformin Hcl Generic 24 0 $139
Atenolol Generic 22 0 $229

Frequently asked questions

Auto-generated from federal data
What is Dr. Ewa Gajewska's medical specialty?
Dr. Ewa Gajewska practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Ewa Gajewska practice?
Dr. Ewa Gajewska practices at 1923 Bay Ridge Parkway, Brooklyn, NY 112045727. Office phone: 7182567777.
What is Dr. Ewa Gajewska's NPI?
Dr. Ewa Gajewska's National Provider Identifier (NPI) is 1942399373, issued by NPPES.
Does Dr. Ewa Gajewska accept Medicare assignment?
Dr. Ewa Gajewska does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ewa Gajewska 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 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.