John J. Cassel, M.D.
Cardiovascular Disease Physician · Allentown, PA
John J. 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 (Pennsylvania MD020422E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John J. Cassel
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD020422E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1255 S Cedar Crest Blvd, Allentown, PA 18103
- Phone
- (610) 437-6222
- Enumerated
- Aug 30, 2005
- Record last updated
- Jun 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (610) 437-5910
- Medicaid ID
- 0006929450004 PA
- Medicare enrollment
- Enrolled (PECOS I20100712000062); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1973
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
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.
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- 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 J. Cassel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD020422ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% 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 3,078 among the 20,728 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 MIPS final score for 2023 (Medicare payment program): 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).
Bills Medicare through one group practice
- St Lukes Physician Group IncAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Cassel among 1,476 cardiovascular disease physician records in Pennsylvania
John J. Cassel, M.D. is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1973 · median 2000 among the 1,003 with a school on file
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 cardiovascular disease physician records list a practice address in Allentown
They are 70 of the 5,904 NPPES records with a practice address in Allentown, and 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Allentown → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Amy Ahnert, M.D.Allentown, PA 181031245260587
- Michael Barrett, MDAllentown, PA 181031679561898
- Donald Belmont, M.D.Allentown, PA 181031295840460
- Bruce Feldman, D.O.Allentown, PA 181031528095684
- David Goldner, M.D.Allentown, PA 181031487694683
- Larry Jacobs, MDAllentown, PA 181031871554667
- Joseph Kleaveland, M.D.Allentown, PA 181031043251002
- Bryan Kluck, D.O.Allentown, PA 181031659486959
Common questions
What is John J. Cassel, M.D.'s NPI number?
John J. 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 J. 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 J. Cassel, M.D.'s license?
NPPES lists Pennsylvania license number MD020422E, 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 John J. Cassel, M.D. prescribe under Medicare Part D?
In 2024, John J. Cassel, M.D. had 4,279 Medicare Part D claims for 419 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is John J. Cassel, M.D.'s MIPS final 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), 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.