Ramon A. Issa, MD
Family Medicine Physician · Loma Linda, CA
Ramon A. Issa, MD is a family medicine physician with a practice address in Loma Linda, California, and NPI 1891748836, issued on May 19, 2006. Check the license (California C130915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ramon A. Issa
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C130915 CA
34.083971-I OH
35083971 OH
Self-reported in NPPES; status is on the state search - Practice location
- 25333 Barton RD, Loma Linda, CA 92350
- Phone
- (909) 558-6641
- Enumerated
- May 19, 2006
- Record last updated
- Oct 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (909) 558-6039
- Medicare enrollment
- Enrolled (PECOS I20080807000118); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 25333 Barton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ramon A. Issa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C130915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
253 Medicare Part D claims for 161 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Doxycycline Hyclate32 claims
- Cephalexin30 claims
- Methylprednisolone19 claims
- Baclofen16 claims
- Amoxicillin-Clavulanate Potass13 claims
- Azithromycin13 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
- Sanford Health NetworkJackson, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramon A. Issa among 17,133 family medicine physician records in California
Ramon A. Issa, MD is one of 17,133 family 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 family medicine physician records list a practice address in Loma Linda
They are 62 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Loma Linda → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ron Brathwaite, M.D.Loma Linda, CA 923501528086246
- Michael Caruso, M.D.Loma Linda, CA 923501235220864
- Grant Davis, MDLoma Linda, CA 923501588087803
- Sreyas Menon, MDLoma Linda, CA 923501295477727
- Hieu Nguyen, D.O.Loma Linda, CA 923501912932781
- Martine Seudeal, M.D.Loma Linda, CA 923501265896641
- Babek Adili-Khams, M.D.Lake Arrowhead, CA 923521588676811
- Don Batten, D.O.Lake Arrowhead, CA 923521912921875
Common questions
What is Ramon A. Issa, MD's NPI number?
Ramon A. Issa, MD's National Provider Identifier (NPI) is 1891748836, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramon A. Issa, MD located?
The NPPES record lists a practice address at 25333 Barton RD, Loma Linda, CA, 92350. Phone: (909) 558-6641. Providers update this record themselves, so call before visiting.
How can I verify Ramon A. Issa, MD's license?
NPPES lists California license number C130915, 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 Ramon A. Issa, MD prescribe under Medicare Part D?
In 2024, Ramon A. Issa, MD had 253 Medicare Part D claims for 161 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.