TRACY ANN PRESTON FNP
NPI 1255630398
Nurse Practitioner - Family in Loma Linda, CA
About Tracy Ann Preston Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRACY ANN PRESTON FNP (NPI 1255630398) is an individual family provider in Loma Linda, California, licensed in California (20611) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Tracy Ann Preston Fnp 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
4Medicare enrollment records show Tracy Preston reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loma Linda, CA 92354
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
San Bernardino, CA 92408
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Bernardino
- 233 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 58 clinicians in this Medicare group
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 80 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 2
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 92354 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
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 Tracy Preston's NPI number?
The NPI number for Tracy Preston is 1255630398. It was assigned to this individual provider in the NPPES registry on March 15, 2011.
Where is Tracy Preston located?
Tracy Preston practices at 25455 Barton Rd, Loma Linda, CA 92354. The listed phone number is (909) 558-6600.
What is Tracy Preston's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tracy Preston enrolled in Medicare?
Yes. Tracy Preston 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 Tracy Preston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tracy Preston reassigns Medicare benefits to 4 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA), San Bernardino County (San Bernardino, CA), Vituity Healthcare Services PC (Colton, CA) and Vituity Physician Services PC (Fontana, 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 Tracy Preston'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 Tracy Preston was last updated on September 18, 2024. 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.
# Tracy Ann Preston, FNP · NPI 1255630398
Family physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since March 15, 2011.
## Identity
- **NPI:** 1255630398 (Entity type: Individual)
- **Enumerated:** March 15, 2011
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 20611 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 25455 BARTON RD, Loma Linda, CA 92354-3128
- **Phone:** (909) 558-6600
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Faculty Physicians And Surgeons Of Llusm (NPI 1275582918, Loma Linda, CA); San Bernardino County (NPI 1497925366, San Bernardino, CA); Vituity Healthcare Services PC (NPI 1700642758, Colton, CA); Vituity Physician Services PC (NPI 1124884176, Fontana, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** September 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1255630398) · Data from the CMS NPPES public registry.