Christopher Lyon, PH.D,MD
NPI 1649316753 · Ophthalmology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Lyon, PH.D,MD is a Ophthalmology Physician provider in Orange, CA (NPI 1649316753).
Provider details
- NPI number
- 1649316753
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- PH.D,MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A37277 (CA)
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 tenure28% of score
19 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
691 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) |
|---|---|---|
| Multiple Measurements of Eye Fluid Pressure Over an Extended Time Period92100 | 103 | $96 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 99 | $22 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 97 | $36 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 80 | $194 |
| Exam of the Internal Drainage System of Eye92020 | 68 | $30 |
| Extended Exam Involving Color Vision Testing92283 | 50 | $62 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-29
- Last updated
- 2008-10-24
Frequently asked questions
- What is Christopher Lyon's NPI number?
- Christopher Lyon's National Provider Identifier (NPI) is 1649316753, 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 Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Lyon located?
- Christopher Lyon's practice location on file with NPPES is 1201 W La Veta Ave, Orange, CA 92868-4213.
- What is Christopher Lyon's phone number?
- The practice phone number listed in the NPPES registry for Christopher Lyon is (714) 771-1144.
- 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 (1649316753) is active in the NPPES registry as of the last update on 2008-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.