NPPES file of Aug 9, 2026

Alexander C. Keszeli, D.O.

Otolaryngic Allergy Physician · Exton, PA

Alexander C. Keszeli, D.O. is an otolaryngic allergy physician with a practice address in Exton, Pennsylvania, and NPI 1588652184, issued on Oct 10, 2005. Check the license (Pennsylvania OS007194L, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588652184
Name
Alexander C. Keszeli
Credential
D.O.
Primary taxonomy
Otolaryngic Allergy Physician 207YX0602X
License number
OS007194L PA
Self-reported in NPPES; status is on the state search
Practice location
111 Arrandale Blvd, Exton, PA 19341
Phone
(610) 363-2532
Enumerated
Oct 10, 2005
Record last updated
Feb 5, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(610) 363-0210
Medicaid ID
0015227340002 PA
Medicare enrollment
Enrolled (PECOS I20110526000368); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1989
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 111 Arrandale Blvd

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

  1. Silvia Benitez SienraAudiologist1942682570
  2. Alicia Billups, PA-CPhysician Assistant1972953792
  3. Michael Block, CRNPFamily Nurse Practitioner1790461416
  4. Andrea Bolesta, PA-CPhysician Assistant1467733816
  5. Anna Doucette, PA-CPhysician Assistant1225856727
  6. Sandra Kurtyka, MSN CRNPNurse Practitioner1639347420

Verify Alexander C. Keszeli 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 OS007194L
    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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30% fewer Medicare Part D claims than the average otolaryngic allergy physician in 2024

611 Medicare Part D claims for 276 beneficiaries, against an average of 867 among the 91 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Alexander Keszeli611
  2. Specialty average867

Most prescribed

  1. Omeprazole97 claims
  2. Methylprednisolone93 claims
  3. Fluticasone Propionate76 claims
  4. Ofloxacin70 claims
  5. Azithromycin38 claims
  6. Prednisone35 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $415.51

21 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 64 providers of this specialty with any payment received $4,752.63 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Keszeli$415.51
  2. Specialty average$4,752.63

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. Ear Nose And Throat Associates OF Chester CountyExton, PA

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

Otolaryngic Allergy Physician providers in Pennsylvania

There are 12 otolaryngic allergy physician records in Pennsylvania.

Other otolaryngic allergy physician records in Pennsylvania

  1. Ramesh AgarwalAltoona, PA1235134933
  2. Mohammad Akbar, MDPottsville, PA1568430973
  3. Jack Anon, M.D.Erie, PA1104877265
  4. David Armstrong, MDJohnstown, PA1407866130
  5. Kristin Brant, MDJohnstown, PA1477563195
  6. Allison Harbart, MDJohnstown, PA1346251097
  7. Sidney Lipman, M.D.Erie, PA1528019684
  8. Louis Mariotti, D. O.Kingston, PA1437139300
  9. David Rogerson, MDJohnstown, PA1902816630
  10. Zaher Srour, M.D.Hanover, PA1194928069

Common questions

What is Alexander C. Keszeli, D.O.'s NPI number?

Alexander C. Keszeli, D.O.'s National Provider Identifier (NPI) is 1588652184, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alexander C. Keszeli, D.O. located?

The NPPES record lists a practice address at 111 Arrandale Blvd, Exton, PA, 19341. Phone: (610) 363-2532. Providers update this record themselves, so call before visiting.

How can I verify Alexander C. Keszeli, D.O.'s license?

NPPES lists Pennsylvania license number OS007194L, 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 Alexander C. Keszeli, D.O. prescribe under Medicare Part D?

In 2024, Alexander C. Keszeli, D.O. had 611 Medicare Part D claims for 276 beneficiaries; the average among otolaryngic allergy physician prescribers was 867. Part D covers Medicare prescriptions only.

What is Alexander C. Keszeli, D.O.'s MIPS final score?

The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.