Christopher Lyon, MD
NPI 1255564290 · Internal Medicine Physician · Lexington, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Lyon, MD is a Internal Medicine Physician provider in Lexington, KY (NPI 1255564290).
Provider details
- NPI number
- 1255564290
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 42977 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,289 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,434 | $83 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 740 | $60 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0480 | 737 | $111 |
| Assessment of Emotional Or Behavioral Problems96127 | 284 | $4 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 174 | $58 |
| Glutamyltransferase (liver Enzyme) Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 5,344 | 1,099 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 4,615 | 958 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 3,267 | 732 |
| Oxycodone Hcl | 1,369 | 326 |
| Pregabalin | 684 | 141 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 565 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 280 Pasadena DrLexington, KY 40503-2925Phone: (859) 278-1316Fax: (859) 276-3847
- 110 Hardin Ln Ste 4Somerset, KY 42503-3818Phone: (859) 278-1316Fax: (859) 276-3847
Registry dates
- Enumerated
- 2009-08-25
- Last updated
- 2019-10-17
Frequently asked questions
- What is Christopher Lyon's NPI number?
- Christopher Lyon's National Provider Identifier (NPI) is 1255564290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Lyon's specialty?
- Christopher Lyon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Lyon located?
- Christopher Lyon's practice location on file with NPPES is 2416 Regency Rd, Lexington, KY 40503-2954.
- What is Christopher Lyon's phone number?
- The practice phone number listed in the NPPES registry for Christopher Lyon is (859) 278-1316.
- Does Christopher Lyon accept Medicare?
- Christopher Lyon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Lyon's NPI active?
- Yes — Christopher Lyon's NPI (1255564290) is active in the NPPES registry as of the last update on 2019-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.