John Cassel, M.D.
Cardiovascular Disease Physician · Allentown, PA
John Cassel, M.D. is a cardiovascular disease physician with a practice address in Allentown, Pennsylvania, and NPI 1346233806, issued on Aug 30, 2005. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John Cassel
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- Practice location
- 1255 S Cedar Crest Blvd, Allentown, PA 18103
- Phone
- (610) 437-6222
- Enumerated
- Aug 30, 2005
- Entity
- Type 1 · individual
Also registered at 1255 S Cedar Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen, M.D.Internal Medicine Physician1881699783
- Shabnam Assar, M.D.Infectious Disease Physician1962744664
- Leah Beckstead, PA-CMedical Physician Assistant1376722207
- Brian Billig, CRNPFamily Nurse Practitioner1518397058
- Matthew Brown, MDDiagnostic Radiology Physician1902949902
- David Cederberg, PAMedical Physician Assistant1720039654
Verify John Cassel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
36% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,279 Medicare Part D claims for 419 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium341 claims
- Eliquis332 claims
- Amlodipine Besylate276 claims
- Carvedilol210 claims
- Metoprolol Succinate198 claims
- Furosemide196 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 Medicare quality score for 2023: 95.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- St Lukes Physician Group IncAllentown, PA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cardiovascular Disease Physician providers in Pennsylvania
There are 1,381 cardiovascular disease physician records in Pennsylvania.
Other cardiovascular disease physician records in Pennsylvania
- Abdul Abbasi, MDUniontown, PA1467408864
- Richard Abramowitz, MDKingston, PA1265545990
- Sandra Abramson, MDWynnewood, PA1275538282
- Elizabeth Adams, DOHershey, PA1780885434
- David Addley, D.O.Philadelphia, PA1881767374
- Michael Adesman, MDUpland, PA1932101888
- Gur Adhar, M.D.Pittsburgh, PA1609871052
- James Adisey, M.D.Greensburg, PA1033228622
- Nana Afari-Armah, MDPhiladelphia, PA1023244639
- Shweta Aggarwal, MDWormleysburg, PA1053568972
Common questions
What is John Cassel, M.D.'s NPI number?
John Cassel, M.D.'s National Provider Identifier (NPI) is 1346233806, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Cassel, M.D. located?
The NPPES record lists a practice address at 1255 S Cedar Crest Blvd, Allentown, PA, 18103. Phone: (610) 437-6222. Providers update this record themselves, so call before visiting.
How can I verify John Cassel, M.D.'s license?
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 John Cassel, M.D. prescribe under Medicare Part D?
In 2024, John Cassel, M.D. had 4,279 Medicare Part D claims for 419 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.
What is John Cassel, M.D.'s Medicare quality score?
The 2023 MIPS final score is 95.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.