Dr Magdalena Anna Petryniak, MD - Medicare Pediatrics in Rockville, MD

Dr Magdalena Anna Petryniak, MD is a medicare enrolled "Pediatrics - Neonatal-perinatal Medicine" physician in Rockville, Maryland. Her current practice location is Pediatrix Of Maryland, 9901 Medical Center Drive, Neonatology Office 3rd Floor, Rockville, Maryland. You can reach out to her office (for appointments etc.) via phone at (415) 559-1442.

Dr Magdalena Anna Petryniak is licensed to practice in California (license number A84189) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1134279912.

Contact Information

Dr Magdalena Anna Petryniak, MD
Pediatrix Of Maryland, 9901 Medical Center Drive, Neonatology Office 3rd Floor,
Rockville, MD 20850-2085
(415) 559-1442
Not Available

Map and Direction




Physician's Profile

Full NameDr Magdalena Anna Petryniak
GenderFemale
SpecialityPediatrics - Neonatal-perinatal Medicine
LocationPediatrix Of Maryland, Rockville, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1134279912
  • Provider Enumeration Date: 01/12/2007
  • Last Update Date: 11/15/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 2860382769
  • Enrollment ID: I20220412001462

Medical Identifiers

Medical identifiers for Dr Magdalena Anna Petryniak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134279912NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A84189 (California)Secondary
2080N0001XPediatrics - Neonatal-perinatal Medicine A84189 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Magdalena Anna Petryniak allows following entities to bill medicare on her behalf.
Entity NameChildrens Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912939703
PECOS PAC ID: 0244143170
Enrollment ID: O20031107000130

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Magdalena Anna Petryniak is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Magdalena Anna Petryniak, MD
8224 Lakenheath Way Apt 2,
Potomac, MD 20854-2740

Ph: (415) 559-1442
Dr Magdalena Anna Petryniak, MD
Pediatrix Of Maryland, 9901 Medical Center Drive, Neonatology Office 3rd Floor,
Rockville, MD 20850-2085

Ph: (415) 559-1442

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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