Irwin Lyons, MD
NPI 1932388113 · Psychiatry Physician · Fair Oaks, CA
Irwin Lyons, MD is a Psychiatry Physician provider in Fair Oaks, CA (NPI 1932388113).
Provider details
- NPI number
- 1932388113
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 32489 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2007-10-24
- Last updated
- 2007-10-27
Frequently asked questions
- What is Irwin Lyons's NPI number?
- Irwin Lyons's National Provider Identifier (NPI) is 1932388113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Lyons's specialty?
- Irwin Lyons is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Irwin Lyons located?
- Irwin Lyons's practice location on file with NPPES is 7861 Winding Way, Fair Oaks, CA 95628-1323.
- What is Irwin Lyons's phone number?
- The practice phone number listed in the NPPES registry for Irwin Lyons is (916) 557-5997.
- Is Irwin Lyons's NPI active?
- Yes — Irwin Lyons's NPI (1932388113) is active in the NPPES registry as of the last update on 2007-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.