Ewa Gajewska, MD
NPI 1942399373 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ewa Gajewska, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1942399373).
Provider details
- NPI number
- 1942399373
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2184831 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
307 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 60 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 42 | $16 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 29 | $98 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 53 | — |
| Amlodipine Besylate | 47 | 15 |
| Chlorhexidine Gluconate | 34 | 22 |
| Omeprazole | 29 | — |
| Ciprofloxacin Hcl | 27 | 24 |
| Azithromycin | 26 | 17 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2008-06-05
Frequently asked questions
- What is Ewa Gajewska's NPI number?
- Ewa Gajewska's National Provider Identifier (NPI) is 1942399373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ewa Gajewska's specialty?
- Ewa Gajewska is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ewa Gajewska located?
- Ewa Gajewska's practice location on file with NPPES is 1923 Bay Ridge Parkway, Brooklyn, NY 11204-5727.
- What is Ewa Gajewska's phone number?
- The practice phone number listed in the NPPES registry for Ewa Gajewska is (718) 256-7777.
- Does Ewa Gajewska accept Medicare?
- Ewa Gajewska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ewa Gajewska's NPI active?
- Yes — Ewa Gajewska's NPI (1942399373) is active in the NPPES registry as of the last update on 2008-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.