William Okoniewski, MD
Pediatrics Physician · Trexlertown, PA
William Okoniewski, MD is a pediatrics physician with a practice address in Trexlertown, Pennsylvania, and NPI 1073197349, issued on May 12, 2021. Check the license (Pennsylvania MD485375, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Okoniewski
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD485375 PA
Self-reported in NPPES; status is on the state search - Practice location
- 6900 Hamilton Blvd, Trexlertown, PA 18087
- Phone
- (610) 402-2600
- Enumerated
- May 12, 2021
- Record last updated
- Aug 8, 2024
- Fax
- (610) 402-0409
- Entity
- Type 1 · individual
Also registered at 6900 Hamilton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessie Holden, LPCProfessional Counselor1235710682
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- Paul Kaulius, D.P.M.Foot Surgery Podiatrist1669442679
Verify William Okoniewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD485375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4 pediatrics physician records list a practice address in Trexlertown
They are 4 of the 43 NPPES records with a practice address in Trexlertown, and 3,382 pediatrics physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4 in Trexlertown → All 3,382 in Pennsylvania → Every provider in Trexlertown →
Other pediatrics physician records in Pennsylvania
- Arvin Abadilla, M.D.Hershey, PA1376761510
- Francisca Abanyie, MD MPHPhiladelphia, PA1487812335
- Hoda Abdel-Hamid, MDPittsburgh, PA1376582304
- Amir Abdel-Wahab, M.D.West Reading, PA1548499767
- Mohammed Abdu, MDWilkes Barre, PA1275856221
- Layla Abdulla, MDPhiladelphia, PA1538908363
- Thair Abed, MDPhiladelphia, PA1497743587
- Heather Abegglen, MDMonongahela, PA1598050569
- Margarita Abella, MDPhiladelphia, PA1609338300
- Lori Abels, D.O.York, PA1912164260
Common questions
What is William Okoniewski, MD's NPI number?
William Okoniewski, MD's National Provider Identifier (NPI) is 1073197349, issued on May 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Okoniewski, MD located?
The NPPES record lists a practice address at 6900 Hamilton Blvd, Trexlertown, PA, 18087. Phone: (610) 402-2600. Providers update this record themselves, so call before visiting.
How can I verify William Okoniewski, MD's license?
NPPES lists Pennsylvania license number MD485375, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.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. 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.