DR. CAITLIN MARGARET RICHARDSON-ROYER M.D.
NPI 1922351881
Internal Medicine - Nephrology in Vallejo, CA
About Dr. Caitlin Margaret Richardson-royer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CAITLIN MARGARET RICHARDSON-ROYER M.D. (NPI 1922351881) is an individual nephrology provider in Vallejo, California, licensed in California (A204088) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Caitlin Margaret Richardson-royer 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94589 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.
VALLEJO, CA 94589
VALLEJO, CA 94589
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 Caitlin Richardson-royer's NPI number?
The NPI number for Caitlin Richardson-royer is 1922351881. It was assigned to this individual provider in the NPPES registry on October 17, 2012.
Where is Caitlin Richardson-royer located?
Caitlin Richardson-royer practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.
What is Caitlin Richardson-royer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Caitlin Richardson-royer enrolled in Medicare?
Yes. Caitlin Richardson-royer 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.
When was this NPI record last updated?
The NPPES record for Caitlin Richardson-royer was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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. Caitlin Margaret Richardson-Royer, M.D. · NPI 1922351881
Nephrology physician in Vallejo, California. Individual provider, active in the CMS NPPES registry since October 17, 2012.
## Identity
- **NPI:** 1922351881 (Entity type: Individual)
- **Enumerated:** October 17, 2012
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A204088 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 975 SERENO DR, Vallejo, CA 94589-2441
- **Phone:** (707) 651-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** September 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1922351881) · Data from the CMS NPPES public registry.