Karen Ocwieja, MD, PHD
Pediatric Infectious Diseases Physician · Boston, MA
Karen Ocwieja, MD, PHD is a pediatric infectious diseases physician with a practice address in Boston, Massachusetts, and NPI 1316350184, issued on Jun 9, 2014. Check the license (Massachusetts 274539, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Ocwieja
- Credential
- MD, PHD
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License numbers
- 274539 MA
266614 MA
Self-reported in NPPES; status is on the state search - Practice location
- Boston Children's Hospital, Boston, MA 02115
- Phone
- (617) 355-6832
- Enumerated
- Jun 9, 2014
- Record last updated
- Feb 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200506002045); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2014
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 86 in Massachusetts → Look up another NPI →
Also registered at Boston Children's Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Abendroth, NPPediatric Nurse Practitioner1992995427
- Kimberly Agresta, CPNPCritical Care Pediatric Nurse Practitioner1073021846
- David Alcoloumbre, M.D.Orthopaedic Surgery Physician1538713730
- Kathleen Carr, NPPediatric Nurse Practitioner1851587208
- Charles Coomer, MD/PHDStudent in an Organized Health Care Education/Training Program1205538618
- Lauren CraftsPediatric Cardiology Physician1962906131
Verify Karen Ocwieja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 274539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Children's Hospital Pediatric Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Ocwieja among 86 pediatric infectious diseases physician records in Massachusetts
Karen Ocwieja, MD, PHD is one of 86 pediatric infectious diseases physician records with a practice address in Massachusetts. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 64% of them.
- NPI issued2014 · 64% of these records are older, 31% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2014 · median 2011 among the 29 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in Massachusetts
There are 86 pediatric infectious diseases physician records in Massachusetts.
All 86 in Massachusetts → Every provider in Boston → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Asim Ahmed, M.D.Boston, MA 021151265595359
- Brenda Anosike, M.D.Boston, MA 021151851518609
- Sandra Burchett, MDBoston, MA 021151063594455
- Robert Husson, MDBoston, MA 021151538241906
- Alicia Johnston, M.D.Boston, MA 021151225044225
- Julia Koehler, MDBoston, MA 021151679655047
- Catherine Lachenauer, MDBoston, MA 021151013099472
- Ofer Levy, MD, PHDBoston, MA 021151316034663
Common questions
What is Karen Ocwieja, MD, PHD's NPI number?
Karen Ocwieja, MD, PHD's National Provider Identifier (NPI) is 1316350184, issued on Jun 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Karen Ocwieja, MD, PHD located?
The NPPES record lists a practice address at Boston Children's Hospital, Boston, MA, 02115. Phone: (617) 355-6832. Providers update this record themselves, so call before visiting.
How can I verify Karen Ocwieja, MD, PHD's license?
NPPES lists Massachusetts license number 274539, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.