Douglas A. Ballesteros, MD
Emergency Medicine Physician · National City, CA
Douglas A. Ballesteros, MD is an emergency medicine physician with a practice address in National City, California, and NPI 1275572372, issued on Jun 5, 2006. Check the license (California A74965, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Douglas A. Ballesteros
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A74965 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2400 E 4TH St, National City, CA 91950
- Phone
- (619) 470-4321
- Enumerated
- Jun 5, 2006
- Record last updated
- Feb 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050628001098); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2400 E 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy Amer-Davis, N.P.Nurse Practitioner1750661641
- Lina Arsulich, NP-CFamily Nurse Practitioner1629854583
- Tanya Bosque, LCSWClinical Social Worker1831761899
- Que Chu, MDPediatrics Physician1750358768
- Andrew Clark, PH.D.Psychologist1629010533
- Anthony Dicarlo, RNRegistered Nurse1023737467
Verify Douglas A. Ballesteros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average emergency medicine physician in 2024
162 Medicare Part D claims for 141 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cephalexin30 claims
- Ondansetron Odt17 claims
- Hydrocodone-Acetaminophen12 claims
- Prednisone12 claims
- Doxycycline Hyclate11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas A. Ballesteros among 7,751 emergency medicine physician records in California
Douglas A. Ballesteros, MD 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2011 among the 4,560 with a school on file
- Record last updated2019 · 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
- 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
- Dennis O'Connor, M.D./M.P.H.National City, CA 919501508027863
Common questions
What is Douglas A. Ballesteros, MD's NPI number?
Douglas A. Ballesteros, MD's National Provider Identifier (NPI) is 1275572372, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas A. Ballesteros, MD located?
The NPPES record lists a practice address at 2400 E 4TH St, National City, CA, 91950. Phone: (619) 470-4321. Providers update this record themselves, so call before visiting.
How can I verify Douglas A. Ballesteros, MD's license?
NPPES lists California license number A74965, 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 Douglas A. Ballesteros, MD prescribe under Medicare Part D?
In 2024, Douglas A. Ballesteros, MD had 162 Medicare Part D claims for 141 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Douglas A. Ballesteros, MD's MIPS final score?
The 2023 MIPS final score is 88 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.