Isabel Carlton Clark, M.D.
General Surgery (CMS) · Orange, CA
At a glance
101 The City Dr S, Orange, CA 92868-3298
Published activity: Colonoscopy · Removal of tissue · Skin biopsy. View counts and coverage
NPPES record updated Jul 17, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
101 The City Dr SOrange, CA 92868-3298
Additional reported practice locations
1200 B Gale Wilson BlvdFairfield, CA 945333552
Phone: 7076465000
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2016
- CMS specialties
- General Surgery
Practice groups
Reported hospital affiliations
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 1-10 |
| Removal of tissue | 1-10 |
| Skin biopsy | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- General Surgery (CMS)
- Taxonomy code
- 2086S0127X
- Enumeration date
- May 13, 2016
- Record updated
- Jul 17, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
390200000X
2086S0127X · Primary
License reported: A179496 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
101 The City Dr SOrange, CA 92868-3298
- Phone
- (714) 456-7890
Mailing address
2290 BOYSON LNSAINT HELENA, CA 945742361
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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