DR. DAVID JOSEPH DEROSE MD
NPI 1700118700
Internal Medicine in Weimar, CA
About Dr. David Joseph Derose Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID JOSEPH DEROSE MD (NPI 1700118700) is an individual internal medicine provider in Weimar, California, licensed in California (G83828) and active in the NPI registry since February 2010. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Joseph Derose Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show David Derose reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clearlake, CA 95422
- Reassigned Medicare billing, California enrollment
- 182 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95736 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Patient Reviews User submitted
Reviews are submitted by site visitors and approved by a human moderator before publication.
Review by Ron L May 24, 2024
5/5Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEIMAR, CA 95736
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Derose's NPI number?
The NPI number for David Derose is 1700118700. It was assigned to this individual provider in the NPPES registry on February 2, 2010.
Where is David Derose located?
David Derose practices at 20601 West Paoli Lane, Weimar, CA 95736. The listed phone number is (530) 637-4111.
What is David Derose's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Derose enrolled in Medicare?
Yes. David Derose is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for David Derose's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Derose reassigns Medicare benefits to Adventist Health Clearlake Hospital Inc. (Clearlake, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Derose's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Derose was last updated on February 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. David Joseph Derose, MD · NPI 1700118700
Internal Medicine physician in Weimar, California. Individual provider, active in the CMS NPPES registry since February 2, 2010.
## Identity
- **NPI:** 1700118700 (Entity type: Individual)
- **Enumerated:** February 2, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G83828 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 20601 WEST PAOLI LANE, Weimar, CA 95736-0486
- **Phone:** (530) 637-4111 · **Fax:** (530) 637-4443
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Adventist Health Clearlake Hospital Inc. (NPI 1124018031, Clearlake, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** February 2, 2010
- **Other identifiers:** Medicare UPIN D39730
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Source: [NPI Profile](https://npiprofile.com/npi/1700118700) · Data from the CMS NPPES public registry.