James William Isherwood III, LCSW
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 15230 Lakeshore Drive, Clearlake, CA 95422
- Practice phone
- Call (707) 994-0407
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Clear Lake - Clearlake
Rural Health Clinic - Hospital-Owned · Clearlake, California
Find James Isherwood's professional email, personal email and mobile number
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James William Isherwood III is a clinical social worker in Clearlake, California
James Isherwood practices at Adventist Health Clear Lake - Clearlake in Clearlake, California.
James Isherwood's NPI, 1861801151, was assigned on August 12, 2014. James Isherwood holds California license 128618.
- NPI
- 1861801151NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921363102
- NPI enumeration date
- August 12, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 994-0407
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James William Isherwood III practices at Adventist Health Clear Lake - Clearlake in Clearlake, California
James Isherwood's primary practice is Adventist Health Clear Lake - Clearlake, at 15230 Lakeshore Drive, Clearlake, CA 95422. The practice phone is (707) 994-0407.
- Adventist Health Clear Lake - Clearlake15230 Lakeshore Drive, Clearlake, CA 95422Phone(707) 994-0407
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James William Isherwood III is affiliated with 1 site of care and 1 medical group
James Isherwood's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California. The medical group on file is Adventist Health Clear Lake.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James William Isherwood III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Isherwood practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Clear Lake - Clearlake | Available with a free account |
Source: Dmand AI Technology Install Data
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James William Isherwood III is one of 9,919 clinical social workers in California
Social worker is James Isherwood's primary specialty in the NPI Registry, under taxonomy code 1041C0700X. The record also lists clinical. James Isherwood is licensed in California.
Specialties and state licenses
- Clinical social worker, CaliforniaPrimary
Clinical social workers near James Isherwood
Counts of clinical social workers 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
How James William Isherwood III takes part in Medicare
James Isherwood accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for James William Isherwood III'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)Dmand AI Org Hierarchy Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 James William Isherwood III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James William Isherwood III's NPI number?
James William Isherwood III's NPI number is 1861801151. It was assigned on August 12, 2014, and it is active in the NPI Registry.
What does James William Isherwood III specialize in?
James William Isherwood III is a clinical social worker in Clearlake, California. The primary specialty in the NPI Registry is Clinical Social Worker (taxonomy code 1041C0700X).
Where does James William Isherwood III practice?
James Isherwood practices at 15230 Lakeshore Drive, Clearlake, CA 95422. James Isherwood's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California.
What is James William Isherwood III's office phone number?
The practice phone on file for James Isherwood is (707) 994-0407.
What is James William Isherwood III's medical license number?
James Isherwood holds California license 128618.
What medical group is James William Isherwood III part of?
James Isherwood is linked to Adventist Health Clear Lake.
Does James William Isherwood III accept Medicare?
Yes. CMS lists James Isherwood as accepting Medicare assignment.
How long has James William Isherwood III been practicing?
James Isherwood's NPI was assigned in 2014.
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