Phillip Grenz
Emergency Medicine Physician · Bethlehem, PA
Phillip Grenz is an emergency medicine physician with a practice address in Bethlehem, Pennsylvania, and NPI 1023463064, issued on Apr 27, 2016. Check the license (Pennsylvania OS021466, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Phillip Grenz
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS021466 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2545 Schoenersville RD, Bethlehem, PA 18017
- Phone
- (484) 884-2489
- Enumerated
- Apr 27, 2016
- Record last updated
- Sep 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20230204000021); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 2545 Schoenersville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Osman AbbasiEmergency Medicine Physician1437569019
- George Abraham, M.D.Hospitalist Physician1932377884
- Brian Acunto, DOEmergency Medicine Physician1093921041
- Nancy Adams, CRNACertified Registered Nurse Anesthetist1215924584
- Eboselume Akhuemonkhan, M.D.Hospitalist Physician1932632007
- Jonathan Aki, DOEmergency Medicine Physician1629284674
Verify Phillip Grenz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS021466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average emergency medicine physician in 2024
117 Medicare Part D claims for 92 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin19 claims
- Ondansetron Odt16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupBethlehem, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phillip Grenz among 3,911 emergency medicine physician records in Pennsylvania
Phillip Grenz is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 64% of them.
- NPI issued2016 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2018 · median 2013 among the 2,231 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
342 emergency medicine physician records list a practice address in Bethlehem
They are 342 of the 4,797 NPPES records with a practice address in Bethlehem, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Bethlehem → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Acunto, DOBethlehem, PA 180171093921041
- Jonathan Aki, DOBethlehem, PA 180171629284674
- Tecla Brabazon, DOBethlehem, PA 180171962618991
- Richard Chow, D.O.Bethlehem, PA 180171194813907
- Mark Crowell, DOBethlehem, PA 180171225244270
- Nicholas Demers, DOBethlehem, PA 180171356557177
- Kathleen Faccio, DOBethlehem, PA 180171073729893
- Nancy Gabana, DOBethlehem, PA 180171982651527
Common questions
What is Phillip Grenz's NPI number?
Phillip Grenz's National Provider Identifier (NPI) is 1023463064, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Grenz located?
The NPPES record lists a practice address at 2545 Schoenersville RD, Bethlehem, PA, 18017. Phone: (484) 884-2489. Providers update this record themselves, so call before visiting.
How can I verify Phillip Grenz's license?
NPPES lists Pennsylvania license number OS021466, 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.
How much does Phillip Grenz prescribe under Medicare Part D?
In 2024, Phillip Grenz had 117 Medicare Part D claims for 92 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.