Lon Castle, MD
NPI 1609818731 · Cardiovascular Disease Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lon Castle, MD is a Cardiovascular Disease Physician provider in Cleveland, OH (NPI 1609818731).
Provider details
- NPI number
- 1609818731
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35035826 (OH)
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
1,594 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 | 302 | $8 |
| Heart Rhythm Review, and Interpretation of Continous External Ekg Over More Than 48 Hours Up to 7 Days93244 | 262 | $22 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 247 | $63 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 243 | $8 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 192 | $28 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 410 | 125 |
| Apixabanbrand: Eliquis | 346 | 95 |
| Flecainide Acetate | 282 | 86 |
| Dofetilide | 245 | 71 |
| Rivaroxabanbrand: Xarelto | 127 | 39 |
| Nebivolol Hcl | 81 | 27 |
| Amiodarone Hcl | 66 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2008-01-28
Frequently asked questions
- What is Lon Castle's NPI number?
- Lon Castle's National Provider Identifier (NPI) is 1609818731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lon Castle's specialty?
- Lon Castle is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Lon Castle located?
- Lon Castle's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Lon Castle's phone number?
- The practice phone number listed in the NPPES registry for Lon Castle is (800) 223-2273.
- Does Lon Castle accept Medicare?
- Lon Castle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lon Castle's NPI active?
- Yes — Lon Castle's NPI (1609818731) is active in the NPPES registry as of the last update on 2008-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.