Michael Lash, MD
NPI 1487606281 · Otolaryngology Physician · Sonoma, CA
Michael Lash, MD is a Otolaryngology Physician provider in Sonoma, CA (NPI 1487606281).
Provider details
- NPI number
- 1487606281
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A21710 (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 tenure38% of score
20 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
- 2006-05-17
- Last updated
- 2025-09-11
Frequently asked questions
- What is Michael Lash's NPI number?
- Michael Lash's National Provider Identifier (NPI) is 1487606281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Lash's specialty?
- Michael Lash is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Lash located?
- Michael Lash's practice location on file with NPPES is 15000 Arnold Drive, Sonoma, CA 95431-1493.
- What is Michael Lash's phone number?
- The practice phone number listed in the NPPES registry for Michael Lash is (707) 938-6556.
- Is Michael Lash's NPI active?
- Yes — Michael Lash's NPI (1487606281) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.