NPPES file of Aug 9, 2026

Hilary Koprowski, MD

Otolaryngology Physician · Allentown, PA

Hilary Koprowski, MD is an otolaryngology physician with a practice address in Allentown, Pennsylvania, and NPI 1144353525, issued on Mar 14, 2007. Check the license (Pennsylvania MD433409, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144353525
Name
Hilary Koprowski
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
MD433409 PA
Self-reported in NPPES; status is on the state search
Practice location
1575 Pond RD, Allentown, PA 18104
Phone
(610) 366-1366
Enumerated
Mar 14, 2007
Record last updated
Jul 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(610) 366-7412
Medicare enrollment
Enrolled (PECOS I20090115000093); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1575 Pond RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Blundetto, PAMedical Physician Assistant1285784173
  2. Robert Dedio, MDOtolaryngology Physician1073590345
  3. Jay Feder, O.D.Optometrist1790811834
  4. Andrew Ferretti, PA-CMedical Physician Assistant1003193806
  5. Michael Gordon, MDSpecialist1952388282
  6. Christina Henninger, AUDAudiologist1912158486

Verify Hilary Koprowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD433409
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Pennsylvania license search

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13% more Medicare Part D claims than the average otolaryngology physician in 2024

610 Medicare Part D claims for 236 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Hilary Koprowski610
  2. Specialty average541

Most prescribed

  1. Azelastine Hcl143 claims
  2. Ipratropium Bromide106 claims
  3. Fluticasone Propionate62 claims
  4. Fluocinolone Acetonide Oil31 claims
  5. Mometasone Furoate22 claims
  6. Montelukast Sodium22 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.

Industry payments in 2024: $127.84

2 payments; by number, the most common kind was food and beverage; the largest payer was Optinose US, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hilary Koprowski$127.84
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Lehigh Valley Physician GroupEaston, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Otolaryngology Physician providers in Pennsylvania

There are 531 otolaryngology physician records in Pennsylvania.

Other otolaryngology physician records in Pennsylvania

  1. Soo Abboud, MDPhiladelphia, PA1821033440
  2. Ahmad Abualsoud, MBBCHBethlehem, PA1235611005
  3. Nithin Adappa, MDPhiladelphia, PA1356500680
  4. Robert Adelson, MDPhiladelphia, PA1033127006
  5. Shriya Airen, MDBethlehem, PA1003530718
  6. Muhammad Akhtar, MDBradford, PA1558307967
  7. Ahmad Al Omari, M.DYork, PA1700120201
  8. Abu Ali, M.D.Jeannette, PA1376801688
  9. Janice Alicandro, PAPittsburgh, PA1871520932
  10. Kenneth Altman, MDDanville, PA1518927409

Common questions

What is Hilary Koprowski, MD's NPI number?

Hilary Koprowski, MD's National Provider Identifier (NPI) is 1144353525, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hilary Koprowski, MD located?

The NPPES record lists a practice address at 1575 Pond RD, Allentown, PA, 18104. Phone: (610) 366-1366. Providers update this record themselves, so call before visiting.

How can I verify Hilary Koprowski, MD's license?

NPPES lists Pennsylvania license number MD433409, 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 Hilary Koprowski, MD prescribe under Medicare Part D?

In 2024, Hilary Koprowski, MD had 610 Medicare Part D claims for 236 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.