Deanna Marie Winthrop, FNP
Family Nurse Practitioner · Loma Linda, CA
Deanna Marie Winthrop, FNP is a family nurse practitioner with a practice address in Loma Linda, California, and NPI 1578055182, issued on May 31, 2018. Check the license (California 95006460, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Deanna Marie Winthrop
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95006460 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-4483
- Enumerated
- May 31, 2018
- Record last updated
- May 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180924001368); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 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.
- Carolyn AbbasiAnesthesiology Physician1811287311
- Marian Abdelmalek, DOInternal Medicine Physician1285218024
- Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
- Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
- Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
- Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774
Verify Deanna Marie Winthrop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95006460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average family nurse practitioner in 2024
305 Medicare Part D claims for 96 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. 81 claims were for opioids.
Most prescribed
- Oxycodone Hcl52 claims
- Gabapentin29 claims
- Methocarbamol28 claims
- Enoxaparin Sodium22 claims
- Lactated Ringers21 claims
- Tramadol Hcl18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Deanna Marie Winthrop among 16,966 family nurse practitioner records in California
Deanna Marie Winthrop, 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 2018, is newer than 45% of them.
- NPI issued2018 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2017 · median 2019 among the 6,793 with a school on file
- Record last updated2018 · 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 Deanna Marie Winthrop, FNP's NPI number?
Deanna Marie Winthrop, FNP's National Provider Identifier (NPI) is 1578055182, issued on May 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Deanna Marie Winthrop, FNP located?
The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4483. Providers update this record themselves, so call before visiting.
How can I verify Deanna Marie Winthrop, FNP's license?
NPPES lists California license number 95006460, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Deanna Marie Winthrop, FNP prescribe under Medicare Part D?
In 2024, Deanna Marie Winthrop, FNP had 305 Medicare Part D claims for 96 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Deanna Marie Winthrop, FNP's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.