ALAYNA PREST M.D.
NPI 1396194288
Emergency Medicine in Loma Linda, CA
About Alayna Prest M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAYNA PREST M.D. (NPI 1396194288) is an individual emergency medicine provider in Loma Linda, California, licensed in California (A161787) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Alayna Prest 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
6Medicare enrollment records show Alayna Prest reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Holland, MI 49423
- Reassigned Medicare billing, Michigan enrollment
- 33 clinicians in this Medicare group
Muskegon, MI 49444
- Reassigned Medicare billing, Michigan enrollment
- 61 clinicians in this Medicare group
Clemmons, NC 27012
- Reassigned Medicare billing, North Carolina enrollment
- 159 clinicians in this Medicare group
Thomasville, NC 27360
- Reassigned Medicare billing, North Carolina enrollment
- 152 clinicians in this Medicare group
Kernersville, NC 27284
- Reassigned Medicare billing, North Carolina enrollment
- 158 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 3
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MIHolland Community Hospital
Acute Care Hospitals · Holland, MITrinity Health Grand Haven Hospital
Acute Care Hospitals · Grand Haven, MIMercy Health Lakeshore Campus
Critical Access Hospitals · Shelby, MIPhysician 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.
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 Alayna Prest's NPI number?
The NPI number for Alayna Prest is 1396194288. It was assigned to this individual provider in the NPPES registry on June 10, 2016.
Where is Alayna Prest located?
Alayna Prest practices at 11234 Anderson St, Loma Linda, CA 92354. The listed phone number is (909) 558-4000.
What is Alayna Prest's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alayna Prest enrolled in Medicare?
Yes. Alayna Prest 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 Alayna Prest's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alayna Prest reassigns Medicare benefits to 6 organizations: Lake Michigan Emergency Specialists, PLLC (Muskegon, MI), Epi PC (Holland, MI), Lake Michigan Observation Services PLLC (Muskegon, MI), Tanglewood Park Physicians, PLLC (Clemmons, NC), Piedmont Triad Physicians, PLLC (Thomasville, NC) 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 Alayna Prest's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alayna Prest affiliated with any hospitals?
According to CMS data, Alayna Prest is affiliated with Trinity Health Muskegon Hospital, Holland Community Hospital, Trinity Health Grand Haven Hospital and Mercy Health Lakeshore Campus.
When was this NPI record last updated?
The NPPES record for Alayna Prest was last updated on August 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Alayna Prest, M.D. · NPI 1396194288
Emergency Medicine physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since June 10, 2016.
## Identity
- **NPI:** 1396194288 (Entity type: Individual)
- **Enumerated:** June 10, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A161787 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11234 ANDERSON ST, Loma Linda, CA 92354-2804
- **Phone:** (909) 558-4000
## 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): Lake Michigan Emergency Specialists, PLLC (NPI 1124574520, Muskegon, MI); Epi PC (NPI 1225082266, Holland, MI); Lake Michigan Observation Services PLLC (NPI 1518626043, Muskegon, MI); Tanglewood Park Physicians, PLLC (NPI 1093286379, Clemmons, NC); Piedmont Triad Physicians, PLLC (NPI 1295206464, Thomasville, NC); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** August 14, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1396194288) · Data from the CMS NPPES public registry.