Tracy Ann Preston, FNP
Family Nurse Practitioner · Loma Linda, CA
Tracy Ann Preston, FNP is a family nurse practitioner with a practice address in Loma Linda, California, and NPI 1255630398, issued on Mar 15, 2011. Check the license (California 20611, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tracy Ann Preston
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 20611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25455 Barton RD, Loma Linda, CA 92354
- Phone
- (909) 558-6600
- Enumerated
- Mar 15, 2011
- Record last updated
- Sep 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20160126000835); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 25455 Barton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emerald Caruso, M.D.Obstetrics & Gynecology Physician1811015209
- Zachary Cash, P.A.Physician Assistant1275717316
- Jian Chen, M.D.Family Medicine Physician1841633617
Verify Tracy Ann Preston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,285 Medicare Part D claims for 177 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 123 claims were for opioids.
Most prescribed
- Atorvastatin Calcium193 claims
- Metformin Hcl153 claims
- Gabapentin129 claims
- Ibuprofen100 claims
- Albuterol Sulfate Hfa96 claims
- Diclofenac Sodium96 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 one group practice
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tracy Ann Preston among 16,966 family nurse practitioner records in California
Tracy Ann Preston, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 79% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2010 · median 2019 among the 6,793 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
106 family nurse practitioner records list a practice address in Loma Linda
They are 106 of the 4,863 NPPES records with a practice address in Loma Linda, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Loma Linda → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lorene Ausman, NPLoma Linda, CA 923541215182340
- Jan BeldenLoma Linda, CA 923541720102262
- Debra Clausen, NPLoma Linda, CA 923541730200361
- James Etteldorf, N.P.Loma Linda, CA 923541164559761
- Sharon FritzscheLoma Linda, CA 923541275668261
- Cinders Goh, FNPLoma Linda, CA 923541356545776
- Maria Letts, NPLoma Linda, CA 923541538297353
- Jayce LiangLoma Linda, CA 923541952577520
Common questions
What is Tracy Ann Preston, FNP's NPI number?
Tracy Ann Preston, FNP's National Provider Identifier (NPI) is 1255630398, issued on Mar 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tracy Ann Preston, FNP located?
The NPPES record lists a practice address at 25455 Barton RD, Loma Linda, CA, 92354. Phone: (909) 558-6600. Providers update this record themselves, so call before visiting.
How can I verify Tracy Ann Preston, FNP's license?
NPPES lists California license number 20611, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tracy Ann Preston, FNP prescribe under Medicare Part D?
In 2024, Tracy Ann Preston, FNP had 3,285 Medicare Part D claims for 177 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.