What is David Lyon's NPI number?

David Lyon's National Provider Identifier (NPI) is 1619025434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Lyon's specialty?

David Lyon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is David Lyon located?

David Lyon's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.

What is David Lyon's phone number?

The practice phone number listed in the NPPES registry for David Lyon is (888) 988-2800.

Is David Lyon's NPI active?

Yes — David Lyon's NPI (1619025434) is active in the NPPES registry as of the last update on 2008-09-23.

IndividualActive

David Lyon, DO

NPI 1619025434 · Internal Medicine Physician · Anaheim, CA

David Lyon, DO is a Internal Medicine Physician provider in Anaheim, CA (NPI 1619025434).

Provider details

NPI number: 1619025434
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Male
Sole proprietor: No
License: 20A7356 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 20A7356 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Practice location

441 N Lakeview Ave

Anaheim, CA 92807-3028

Phone: (888) 988-2800

Approximate (ZIP-level) locationGet directions

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Mailing address