John Stephen Ignatowski, M.D.
Pediatric Adolescent Medicine Physician · Westminster, MD
John Stephen Ignatowski, M.D. is a pediatric adolescent medicine physician with a practice address in Westminster, Maryland, and NPI 1538121975, issued on Apr 3, 2006. Check the license (Maryland D0005439, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Stephen Ignatowski
- Credential
- M.D.
- Primary taxonomy
- Pediatric Adolescent Medicine Physician 2080A0000X
- License number
- D0005439 MD
Self-reported in NPPES; status is on the state search - Practice location
- 690 Poole RD, Westminster, MD 21157
- Phone
- (410) 876-7616
- Enumerated
- Apr 3, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (410) 751-9891
- Entity
- Type 1 · individual
8 nearest pediatric adolescent medicine physician records → All 124 in Maryland → Look up another NPI →
Also registered at 690 Poole RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Seymour, M.D.Pediatric Adolescent Medicine Physician1417919853
Verify John Stephen Ignatowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0005439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Stephen Ignatowski among 124 pediatric adolescent medicine physician records in Maryland
John Stephen Ignatowski, M.D. is one of 124 pediatric adolescent medicine physician records with a practice address in Maryland. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 25% newer
- In a Medicare fileNo · 39% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Adolescent Medicine Physician providers in Maryland
There are 124 pediatric adolescent medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 124 in Maryland → Every provider in Westminster → Pediatric Adolescent Medicine Physician nationwide →
The 8 pediatric adolescent medicine physician records with the nearest ZIP codes
- Kevin Seymour, M.D.Westminster, MD 211571417919853
- Faith Hackett, MDSeverna Park, MD 211461154393213
- Jacalyn Ginsberg, DOSeverna Park, MD 211761053383117
- Jacalyn Blackwell-White, M.D.Randallstown, MD 211331548355506
- Valda Kempthorne, MDPasadena, MD 211221821033770
- Georgina Mijares, M.D.Pasadena, MD 211221487730016
- Mychelle Farmer, M.D.Baltimore, MD 212011881728780
- Hilary Wolf, MDBaltimore, MD 212011003077645
Common questions
What is John Stephen Ignatowski, M.D.'s NPI number?
John Stephen Ignatowski, M.D.'s National Provider Identifier (NPI) is 1538121975, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Stephen Ignatowski, M.D. located?
The NPPES record lists a practice address at 690 Poole RD, Westminster, MD, 21157. Phone: (410) 876-7616. Providers update this record themselves, so call before visiting.
How can I verify John Stephen Ignatowski, M.D.'s license?
NPPES lists Maryland license number D0005439, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. 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. 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.