Magdalena Petryniak, M.D.
NPI 1134279912 · Neonatal-Perinatal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Magdalena Petryniak, M.D. is a Neonatal-Perinatal Medicine Physician provider in Washington, DC (NPI 1134279912).
Provider details
- NPI number
- 1134279912
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A84189 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2025-06-10
- Certified
- 2025-06-10
Frequently asked questions
- What is Magdalena Petryniak's NPI number?
- Magdalena Petryniak's National Provider Identifier (NPI) is 1134279912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Magdalena Petryniak's specialty?
- Magdalena Petryniak is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Magdalena Petryniak located?
- Magdalena Petryniak's practice location on file with NPPES is 111 Michigan Ave Nw, Washington, DC 20010-2916.
- What is Magdalena Petryniak's phone number?
- The practice phone number listed in the NPPES registry for Magdalena Petryniak is (202) 476-2336.
- Does Magdalena Petryniak accept Medicare?
- Magdalena Petryniak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Magdalena Petryniak's NPI active?
- Yes — Magdalena Petryniak's NPI (1134279912) is active in the NPPES registry as of the last update on 2025-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.