CHARLES K. WHITCOMB III M.D.
NPI 1659353969
Internal Medicine - Cardiovascular Disease in Sacramento, CA
About Charles K. Whitcomb Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES K. WHITCOMB III M.D. (NPI 1659353969) is an individual cardiovascular disease provider in Sacramento, California, licensed in California (G029966) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1974).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Charles K. Whitcomb Iii M.d. 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 Reassignments
3Medicare enrollment records show Charles Whitcomb reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
Stockton, CA 95202
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 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 95817 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Charles Whitcomb's NPI number?
The NPI number for Charles Whitcomb is 1659353969. It was assigned to this individual provider in the NPPES registry on November 14, 2005.
Where is Charles Whitcomb located?
Charles Whitcomb practices at 4860 Y St Suite 2820, Sacramento, CA 95817. The listed phone number is (916) 734-3764.
What is Charles Whitcomb's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Charles Whitcomb enrolled in Medicare?
Yes. Charles Whitcomb 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 organizations bill Medicare for Charles Whitcomb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Whitcomb reassigns Medicare benefits to 3 organizations: Regents Of The Univ Of Ca (Sacramento, CA), County Of San Joaquin (Stockton, CA) and San Joaquin Faculty Medical Group (French Camp, CA). Each 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 Charles Whitcomb'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 Charles Whitcomb was last updated on September 11, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Charles K. Whitcomb III, M.D. · NPI 1659353969
Cardiovascular Disease physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since November 14, 2005.
## Identity
- **NPI:** 1659353969 (Entity type: Individual)
- **Enumerated:** November 14, 2005
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** G029966 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4860 Y ST, SUITE 2820, Sacramento, CA 95817-2307
- **Phone:** (916) 734-3764 · **Fax:** (916) 734-8394
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The Univ Of Ca (NPI 1285068783, Sacramento, CA); County Of San Joaquin (NPI 1891036612, Stockton, CA); San Joaquin Faculty Medical Group (NPI 1225063761, French Camp, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Davis School Of Medicine, class of 1974
## Record status
- **NPPES last updated:** September 11, 2007
- **Other identifiers:** Medicare PIN 00G299660 (CA); Medicare UPIN A44241 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659353969) · Data from the CMS NPPES public registry.