John Cassel, M.D.
NPI 1346233806 · Cardiovascular Disease Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cassel, M.D. is a Cardiovascular Disease Physician provider in Allentown, PA (NPI 1346233806).
Provider details
- NPI number
- 1346233806
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD020422E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,039 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 808 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 282 | $126 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 229 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 186 | $78 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 111 | $67 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 341 | 81 |
| Apixabanbrand: Eliquis | 332 | 58 |
| Amlodipine Besylate | 276 | 77 |
| Carvedilol | 210 | 58 |
| Metoprolol Succinate | 198 | 51 |
| Furosemide | 196 | 43 |
| Rosuvastatin Calcium | 185 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2010-06-01
Frequently asked questions
- What is John Cassel's NPI number?
- John Cassel's National Provider Identifier (NPI) is 1346233806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cassel's specialty?
- John Cassel is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Cassel located?
- John Cassel's practice location on file with NPPES is 1255 S Cedar Crest Blvd, Allentown, PA 18103-6256.
- What is John Cassel's phone number?
- The practice phone number listed in the NPPES registry for John Cassel is (610) 437-6222.
- Does John Cassel accept Medicare?
- John Cassel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cassel's NPI active?
- Yes — John Cassel's NPI (1346233806) is active in the NPPES registry as of the last update on 2010-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.