Alayna Prest, M.D.
Emergency Medicine Physician · Loma Linda, CA
Alayna Prest, M.D. is an emergency medicine physician with a practice address in Loma Linda, California, and NPI 1396194288, issued on Jun 10, 2016. Check the license (California A161787, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alayna Prest
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A161787 CA
11018848A IN
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-4000
- Enumerated
- Jun 10, 2016
- Record last updated
- Aug 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230609002848); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 11234 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alayna Prest in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A161787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average emergency medicine physician in 2024
185 Medicare Part D claims for 139 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 26 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen23 claims
- Amoxicillin-Clavulanate Potass20 claims
- Cephalexin17 claims
- Prednisone16 claims
- Azithromycin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Epi PCHolland, MI
- Lake Michigan Emergency Specialists, PLLCMuskegon, MI
- Lake Michigan Observation Services PLLCMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alayna Prest among 7,751 emergency medicine physician records in California
Alayna Prest, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2011 among the 4,560 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 emergency medicine physician records list a practice address in Loma Linda
They are 168 of the 4,863 NPPES records with a practice address in Loma Linda, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Loma Linda → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Bassler, M.D.Loma Linda, CA 923541184675902
- Lance Brown, M.D.Loma Linda, CA 923541376562793
- Deepak Chandwani, M.D.Loma Linda, CA 923541144264177
- Tony Chow, M.D.Loma Linda, CA 923541154340578
- Lynda Daniel-Underwood, M.D.Loma Linda, CA 923541063447241
- Jeff Grange, M.D.Loma Linda, CA 923541801815238
- Steven Green, M.D.Loma Linda, CA 923541619996048
- Gregory Guldner, M.D.Loma Linda, CA 923541932125523
Common questions
What is Alayna Prest, M.D.'s NPI number?
Alayna Prest, M.D.'s National Provider Identifier (NPI) is 1396194288, issued on Jun 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Alayna Prest, M.D. located?
The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4000. Providers update this record themselves, so call before visiting.
How can I verify Alayna Prest, M.D.'s license?
NPPES lists California license number A161787, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alayna Prest, M.D. prescribe under Medicare Part D?
In 2024, Alayna Prest, M.D. had 185 Medicare Part D claims for 139 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.