Erika K. Osterholzer, MD
Ophthalmology Physician · Loma Linda, CA
Erika K. Osterholzer, MD is an ophthalmology physician with a practice address in Loma Linda, California, and NPI 1669739769, issued on Apr 13, 2012. Check the license (California A141465, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erika K. Osterholzer
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A141465 CA
MD182037 OR
MD.60745884 WA
Self-reported in NPPES; status is on the state search - Practice location
- 11730 Anderson St., Loma Linda, CA 92354
- Phone
- (909) 558-2112
- Enumerated
- Apr 13, 2012
- Record last updated
- Jul 21, 2022
- Fax
- (909) 558-2180
- Medicare enrollment
- Enrolled (PECOS I20170907003297); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Erika K. Osterholzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A141465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average ophthalmology physician in 2024
1,999 Medicare Part D claims for 620 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost538 claims
- Prednisolone Acetate439 claims
- Dorzolamide-Timolol175 claims
- Diclofenac Sodium143 claims
- Timolol Maleate119 claims
- Brimonidine Tartrate91 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.
Industry payments in 2024: $260.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erika K. Osterholzer among 2,899 ophthalmology physician records in California
Erika K. Osterholzer, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2001 among the 1,907 with a school on file
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 ophthalmology physician records list a practice address in Loma Linda
They are 38 of the 4,863 NPPES records with a practice address in Loma Linda, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Loma Linda → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Affeldt, MDLoma Linda, CA 923541275523375
- Larry Bowes, M.D.Loma Linda, CA 923541164454930
- Leslie Bruce-Lyle, M.D.Loma Linda, CA 923541316048382
- Kakarla Chalam, MDLoma Linda, CA 923541336112812
- William Clegg, M.D.Loma Linda, CA 923541790717403
- Howard Gimbel, M.D.Loma Linda, CA 923541578591921
- Garima Lal, MDLoma Linda, CA 923541285616490
- Harvey Lashier, M.D.Loma Linda, CA 923541528079258
Common questions
What is Erika K. Osterholzer, MD's NPI number?
Erika K. Osterholzer, MD's National Provider Identifier (NPI) is 1669739769, issued on Apr 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Erika K. Osterholzer, MD located?
The NPPES record lists a practice address at 11730 Anderson St., Loma Linda, CA, 92354. Phone: (909) 558-2112. Providers update this record themselves, so call before visiting.
How can I verify Erika K. Osterholzer, MD's license?
NPPES lists California license number A141465, 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 Erika K. Osterholzer, MD prescribe under Medicare Part D?
In 2024, Erika K. Osterholzer, MD had 1,999 Medicare Part D claims for 620 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.