Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Ann Elizabeth Kottler, M.D.

Occupational Medicine Clinic/Center in Glen Ellen, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1669689832

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Registry record

Entity type Individual (Type 1)

Name Dr. Ann Elizabeth Kottler

Credential M.D.

Sex Female

Practice address Glen Ellen, CA, 95442

Phone (415) 793-5987

Enumeration date May 17, 2007

Last updated in NPPES Jul 17, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

261QX0100X Occupational Medicine Clinic/Center Ambulatory Health Care Facilities · License C37101 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Ann Kottler's NPI record?

Cross-check NPI 1669689832 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1669689832 active?

Yes, as of the latest NPPES snapshot, NPI 1669689832 is active (record last updated 2019-07-17).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-17.