Nina Fischer, DO
Hospitalist Physician · Redlands, CA
Nina Fischer, DO is a hospitalist physician with a practice address in Redlands, California, and NPI 1942838107, issued on Mar 31, 2020. Check the license (California 20A20561, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nina Fischer
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A20561 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Terracina Blvd, Redlands, CA 92373
- Phone
- (909) 335-5500
- Enumerated
- Mar 31, 2020
- Record last updated
- Feb 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20230706002852); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 350 Terracina Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nina Fischer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A20561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hospitalist physician in 2024
13 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Beaver Medical Group P CRedlands, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nina Fischer among 3,099 hospitalist physician records in California
Nina Fischer, DO is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2020 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Redlands → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Marvin Brauer, M.D.Redlands, CA 923731043219314
- Liana Diants, M.D.Redlands, CA 923731619105608
- Linh Khuu, M.D.Redlands, CA 923731568751584
- Jin Hee Kim, M.D.Redlands, CA 923731124310263
- John Lee, M.D.Redlands, CA 923731477870186
- Jose Makalinao, MDRedlands, CA 923731659460327
- Feras Naeem, M.D.Redlands, CA 923731356517288
- Sameh Naseib, M.D.Redlands, CA 923731124076344
Common questions
What is Nina Fischer, DO's NPI number?
Nina Fischer, DO's National Provider Identifier (NPI) is 1942838107, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nina Fischer, DO located?
The NPPES record lists a practice address at 350 Terracina Blvd, Redlands, CA, 92373. Phone: (909) 335-5500. Providers update this record themselves, so call before visiting.
How can I verify Nina Fischer, DO's license?
NPPES lists California license number 20A20561, 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 Nina Fischer, DO prescribe under Medicare Part D?
In 2024, Nina Fischer, DO had 13 Medicare Part D claims; the average among hospitalist physician prescribers was 521. 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.