MARTHA MAYS DNP, FNP-BC
NPI 1538580311
Nurse Practitioner - Family in Riverside, CA
About Martha Mays Dnp, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTHA MAYS DNP, FNP-BC (NPI 1538580311) is an individual family provider in Riverside, California, licensed in California (NP95000283) and active in the NPI registry since December 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Martha Mays Dnp, Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Martha Mays reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 30 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
Irvine, CA 92604
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Burbank, CA 91505
- Reassigned Medicare billing, California enrollment
- 236 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, California enrollment
- 21 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 92504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
RIVERSIDE, CA 92504
RIVERSIDE, CA 92504
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 Martha Mays's NPI number?
The NPI number for Martha Mays is 1538580311. It was assigned to this individual provider in the NPPES registry on December 23, 2013.
Where is Martha Mays located?
Martha Mays practices at 5870 Arlington Ave, Riverside, CA 92504. The listed phone number is (951) 683-6596.
What is Martha Mays's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Martha Mays enrolled in Medicare?
Yes. Martha Mays is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Martha Mays's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martha Mays reassigns Medicare benefits to 5 organizations: Jun R. Chiong, MD, Mph, Inc. (Redlands, CA), Medex Specialty Network, Inc. (Redlands, CA), Minuteclinic Diagnostic Medical Group Of Orange County Inc (Irvine, CA), Minuteclinic Diagnostic Medical Group Of California Inc (Burbank, CA) and Rpm Care Coordination, PC (Danbury, CT). 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 Martha Mays'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 Martha Mays was last updated on December 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Martha Mays, DNP, FNP-BC · NPI 1538580311
Family physician in Riverside, California. Individual provider, active in the CMS NPPES registry since December 23, 2013.
## Identity
- **NPI:** 1538580311 (Entity type: Individual)
- **Enumerated:** December 23, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** NP95000283 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5870 ARLINGTON AVE, Riverside, CA 92504-2037
- **Phone:** (951) 683-6596
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Jun R. Chiong, MD, Mph, Inc. (NPI 1093099046, Redlands, CA); Medex Specialty Network, Inc. (NPI 1659134252, Redlands, CA); Minuteclinic Diagnostic Medical Group Of Orange County Inc (NPI 1104013879, Irvine, CA); Minuteclinic Diagnostic Medical Group Of California Inc (NPI 1033309372, Burbank, CA); Rpm Care Coordination, PC (NPI 1043882392, Danbury, CT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1538580311) · Data from the CMS NPPES public registry.