MS. KEI MARTIN APRN, FNP-C
NPI 1972117992
Nurse Practitioner - Family in Tustin, CA
About Ms. Kei Martin Aprn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KEI MARTIN APRN, FNP-C (NPI 1972117992) is an individual family provider in Tustin, California, licensed in Florida (APRN11008013) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Ms. Kei Martin Aprn, Fnp-c 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
6Medicare enrollment records show Kei Martin reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 78 clinicians in this Medicare group
Phoenix, AZ 85034
- Reassigned Medicare billing, Arizona enrollment
- 92 clinicians in this Medicare group
Denver, CO 80205
- Reassigned Medicare billing, Colorado enrollment
- 151 clinicians in this Medicare group
Portland, OR 97223
- Reassigned Medicare billing, Oregon enrollment
- 36 clinicians in this Medicare group
Tacoma, WA 98402
- Reassigned Medicare billing, Washington enrollment
- 120 clinicians in this Medicare group
Tampa, FL 33634
- Reassigned Medicare billing, Florida enrollment
- 132 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92780 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Kei Martin's NPI number?
The NPI number for Kei Martin is 1972117992. It was assigned to this individual provider in the NPPES registry on September 8, 2020.
Where is Kei Martin located?
Kei Martin practices at 140 Centennial Way, Tustin, CA 92780. The listed phone number is (949) 594-0446.
What is Kei Martin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kei Martin enrolled in Medicare?
Yes. Kei Martin 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 Kei Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kei Martin reassigns Medicare benefits to 6 organizations: Dispatchhealth-Ca, PC (Tustin, CA), Dispatchhealth-Arizona (Phoenix, AZ), True North Health Navigation LLC (Denver, CO), Dispatchhealth-Oregon PC (Portland, OR), Dispatchhealth Washington PC (Tacoma, WA) and 1 more organization, listed in the Medicare section above. 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 Kei Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kei Martin accept?
Health plans from Imperial Insurance Companies, Inc. and Moda Health Plan, Inc. list Kei Martin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kei Martin was last updated on September 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ms. Kei Martin, APRN, FNP-C · NPI 1972117992
Family physician in Tustin, California. Individual provider, active in the CMS NPPES registry since September 8, 2020.
## Identity
- **NPI:** 1972117992 (Entity type: Individual)
- **Enumerated:** September 8, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** APRN11008013 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 140 CENTENNIAL WAY, Tustin, CA 92780-3711
- **Phone:** (949) 594-0446
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Dispatchhealth-Ca, PC (NPI 1639752553, Tustin, CA); Dispatchhealth-Arizona (NPI 1922532944, Phoenix, AZ); True North Health Navigation LLC (NPI 1740622133, Denver, CO); Dispatchhealth-Oregon PC (NPI 1649822990, Portland, OR); Dispatchhealth Washington PC (NPI 1013490507, Tacoma, WA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 27, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1972117992) · Data from the CMS NPPES public registry.