Kenneth Son, M.D.
NPI 1831194992 · Internal Medicine Physician · Marion, OH
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Son, M.D. is a Internal Medicine Physician provider in Marion, OH (NPI 1831194992).
Provider details
- NPI number
- 1831194992
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301100071 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Eye and Vision Services Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
760 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 305 | $110 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 205 | $107 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 164 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 86 | $159 |
Typical Medicare-allowed amounts for these services range $74–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 63 | 59 |
| Furosemide | 44 | 41 |
| Cefuroxime Axetilbrand: Cefuroxime | 39 | 38 |
| Metoprolol Tartrate | 28 | 26 |
| Potassium Chloride | 27 | 25 |
| Losartan Potassium | 24 | 20 |
| Metoprolol Succinate | 21 | — |
Practice location
Mailing address
Additional practice locations (1)
- 4100 River RdAcute Care Dept.East China, MI 48054Phone: (810) 329-5330
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Kenneth Son's NPI number?
- Kenneth Son's National Provider Identifier (NPI) is 1831194992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Son's specialty?
- Kenneth Son is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Son located?
- Kenneth Son's practice location on file with NPPES is 1000 Mckinley Park Dr, Marion, OH 43302-6399.
- What is Kenneth Son's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Son is (740) 383-8473.
- Does Kenneth Son accept Medicare?
- Kenneth Son is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Son's NPI active?
- Yes — Kenneth Son's NPI (1831194992) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.