Channie A. Duhn, OD
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 158 Throckmorton Ave, Mill Valley, CA 94941-1919
- Practice phone
- Call (415) 388-8262
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jean S. Brennan
Eye care practice · Mill Valley, California
Find Channie Duhn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Channie A. Duhn is an optometrist in Mill Valley, California
Channie Duhn practices at Jean S. Brennan in Mill Valley, California.
Channie Duhn's NPI, 1487646931, was assigned on August 19, 2005. Channie Duhn holds California license 9935T.
- NPI
- 1487646931NPI Registry (opens in a new tab)
- NPI enumeration date
- August 19, 2005
- NPI status
- Active
- Practice phone
- (415) 388-8262
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Channie A. Duhn practices at Jean S. Brennan in Mill Valley, California
Channie Duhn's primary practice is Jean S. Brennan, at 158 Throckmorton Ave, Mill Valley, CA 94941-1919. The practice phone is (415) 388-8262.
- Jean S. Brennan158 Throckmorton Ave, Mill Valley, CA 94941-1919Phone(415) 388-8262
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Channie A. Duhn is affiliated with 2 sites of care and 2 medical groups
Channie Duhn's primary practice is Jean S. Brennan in Mill Valley, California. Dmand AI also links Channie Duhn to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Channie A. Duhn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Channie Duhn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jean S. Brennan | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Channie A. Duhn is one of 7,206 optometrists in California
Optometrist is Channie Duhn's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Channie Duhn is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Channie Duhn
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Channie A. Duhn's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Channie Duhn's median patient age at 62, with 100% women.
Channie Duhn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for Channie A. Duhn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Channie A. Duhn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Channie A. Duhn's NPI number?
Channie A. Duhn's NPI number is 1487646931. It was assigned on August 19, 2005, and it is active in the NPI Registry.
What does Channie A. Duhn specialize in?
Channie A. Duhn is an optometrist in Mill Valley, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Channie A. Duhn practice?
Channie Duhn practices at 158 Throckmorton Ave, Mill Valley, CA 94941-1919. Channie Duhn's primary practice is Jean S. Brennan in Mill Valley, California. Dmand AI also links Channie Duhn to 2 medical groups and 1 group practice or clinic.
What is Channie A. Duhn's office phone number?
The practice phone on file for Channie Duhn is (415) 388-8262.
What is Channie A. Duhn's medical license number?
Channie Duhn holds California license 9935T.
How long has Channie A. Duhn been practicing?
Channie Duhn's NPI was assigned in 2005.
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