Jason Louis Roby, D.O.
Emergency Medicine Physician · National City, CA
Jason Louis Roby, D.O. is an emergency medicine physician with a practice address in National City, California, and NPI 1295981512, issued on Aug 18, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Louis Roby
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101021857 MI
Self-reported in NPPES; status is on the state search - Practice location
- Paradise Valley Hospital, National City, CA 91950
- Phone
- (616) 470-4158
- Enumerated
- Aug 18, 2008
- Record last updated
- Oct 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190814001783); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Jason Louis Roby 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
23% more Medicare Part D claims than the average emergency medicine physician in 2024
278 Medicare Part D claims for 196 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin34 claims
- Amoxicillin-Clavulanate Potass30 claims
- Doxycycline Hyclate17 claims
- Nitrofurantoin Mono-Macro17 claims
- Azithromycin15 claims
- Sulfamethoxazole-Trimethoprim13 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
- Sharp Rees-Stealy Medical Group IncLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Louis Roby among 7,751 emergency medicine physician records in California
Jason Louis Roby, D.O. 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2008 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 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).
13 emergency medicine physician records list a practice address in National City
They are 13 of the 749 NPPES records with a practice address in National City, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in National City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas Ballesteros, MDNational City, CA 919501275572372
- Anthony Ferkich, M.D.National City, CA 919501043259310
- Lowell Gaspar, M.D.National City, CA 919501336187137
- Nima JalaliNational City, CA 919501144603358
- Allison Kornblatt, M.D.National City, CA 919501023471224
- Paul Manos, D.O.National City, CA 919501245286889
- Jorge Martinez, D.O.National City, CA 919501922216795
- Scott Mataoa, M.D.National City, CA 919501932362340
Common questions
What is Jason Louis Roby, D.O.'s NPI number?
Jason Louis Roby, D.O.'s National Provider Identifier (NPI) is 1295981512, issued on Aug 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jason Louis Roby, D.O. located?
The NPPES record lists a practice address at Paradise Valley Hospital, National City, CA, 91950. Phone: (616) 470-4158. Providers update this record themselves, so call before visiting.
How can I verify Jason Louis Roby, D.O.'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 Jason Louis Roby, D.O. prescribe under Medicare Part D?
In 2024, Jason Louis Roby, D.O. had 278 Medicare Part D claims for 196 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.