Ewa Mickiewicz-Marcinkowska, M.D.
NPI 1235393448 · Psychiatry Physician · Covina, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ewa Mickiewicz-Marcinkowska, M.D. is a Psychiatry Physician provider in Covina, CA (NPI 1235393448).
Provider details
- NPI number
- 1235393448
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD435282 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 225 | 21 |
| Trazodone Hcl | 150 | 21 |
| Sertraline Hcl | 125 | 11 |
| Quetiapine Fumarate | 108 | — |
| Hydroxyzine Hcl | 96 | 18 |
| Olanzapine | 93 | — |
| Bupropion Hclbrand: Bupropion Xl | 74 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-16
- Last updated
- 2020-10-29
- Certified
- 2020-10-29
Frequently asked questions
- What is Ewa Mickiewicz-Marcinkowska's NPI number?
- Ewa Mickiewicz-Marcinkowska's National Provider Identifier (NPI) is 1235393448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ewa Mickiewicz-Marcinkowska's specialty?
- Ewa Mickiewicz-Marcinkowska is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ewa Mickiewicz-Marcinkowska located?
- Ewa Mickiewicz-Marcinkowska's practice location on file with NPPES is 1359 N Grand Ave, Covina, CA 91724-1016.
- What is Ewa Mickiewicz-Marcinkowska's phone number?
- The practice phone number listed in the NPPES registry for Ewa Mickiewicz-Marcinkowska is (626) 430-2900.
- Does Ewa Mickiewicz-Marcinkowska accept Medicare?
- Ewa Mickiewicz-Marcinkowska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ewa Mickiewicz-Marcinkowska's NPI active?
- Yes — Ewa Mickiewicz-Marcinkowska's NPI (1235393448) is active in the NPPES registry as of the last update on 2020-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.