Erik Philip Castleberg, M.D.
Emergency Medicine Physician · Loma Linda, CA
Erik Philip Castleberg, M.D. is an emergency medicine physician with a practice address in Loma Linda, California, and NPI 1700177508, issued on Apr 27, 2011. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erik Philip Castleberg
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- ME120134 FL
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson Street, Gme Office Csp 21005, Loma Linda, CA 92354
- Phone
- (909) 558-4085
- Enumerated
- Apr 27, 2011
- Record last updated
- Aug 19, 2022
- Medicare enrollment
- Enrolled (PECOS I20140729001504); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 11234 Anderson Street, Gme Office Csp 21005
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Chou, D.O.Cardiovascular Disease Physician1578854543
- Chelsea Cosand, M.D.Emergency Medicine Physician1619237559
Verify Erik Philip Castleberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average emergency medicine physician in 2024
370 Medicare Part D claims for 210 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 16 claims were for opioids.
Most prescribed
- Ondansetron Odt67 claims
- Prednisone52 claims
- Ibuprofen45 claims
- Cephalexin43 claims
- Azithromycin23 claims
- Albuterol Sulfate Hfa20 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
- Emergency Medicine Services OF FL LLCFort Pierce, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erik Philip Castleberg among 7,751 emergency medicine physician records in California
Erik Philip Castleberg, 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2011 among the 4,560 with a school on file
- Record last updated2022 · 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 Erik Philip Castleberg, M.D.'s NPI number?
Erik Philip Castleberg, M.D.'s National Provider Identifier (NPI) is 1700177508, issued on Apr 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Erik Philip Castleberg, M.D. located?
The NPPES record lists a practice address at 11234 Anderson Street, Gme Office Csp 21005, Loma Linda, CA, 92354. Phone: (909) 558-4085. Providers update this record themselves, so call before visiting.
How can I verify Erik Philip Castleberg, M.D.'s license?
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 Erik Philip Castleberg, M.D. prescribe under Medicare Part D?
In 2024, Erik Philip Castleberg, M.D. had 370 Medicare Part D claims for 210 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.