David Lozano, M.D.
General Practice Physician · Ontario, CA
David Lozano, M.D. is a general practice physician with a practice address in Ontario, California, and NPI 1104041995, issued on Apr 16, 2007. Check the license (California A54737, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Lozano
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A54737 CA
Self-reported in NPPES; status is on the state search - Practice location
- 402 E Holt Blvd, Ontario, CA 91761
- Phone
- (909) 467-1605
- Enumerated
- Apr 16, 2007
- Record last updated
- Sep 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (909) 467-1608
- Medicaid ID
- 00A547370 CA
- Medicare enrollment
- Enrolled (PECOS I20050525000222); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Verify David Lozano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average general practice physician in 2024
5,150 Medicare Part D claims for 856 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 134 claims were for opioids.
Most prescribed
- Atorvastatin Calcium312 claims
- Metformin Hcl294 claims
- Losartan Potassium231 claims
- Amlodipine Besylate192 claims
- Omeprazole183 claims
- Lisinopril154 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: $48.56
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 4,259 providers of this specialty with any payment received $1,273.40 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.
David Lozano among 1,956 general practice physician records in California
David Lozano, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 50% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1985 · median 1994 among the 520 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Ontario → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Krupali Tejura, M.D.Ontario, CA 917611487848651
- Tsung Tsai, M.D.Ontario, CA 917611629250394
- Jose De La Llana, M.D.Ontario, CA 917621326244062
- Irma Lopez, M.D.Ontario, CA 917621538240908
- Miguel Castuera, PA-CMontclair, CA 917631679769897
- Jhujhar Singh, DOMontclair, CA 917631730361544
- Erik Wiele, DOMontclair, CA 917631619405875
- Brian Lee, M.D.Ontario, CA 917641932227626
Common questions
What is David Lozano, M.D.'s NPI number?
David Lozano, M.D.'s National Provider Identifier (NPI) is 1104041995, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Lozano, M.D. located?
The NPPES record lists a practice address at 402 E Holt Blvd, Ontario, CA, 91761. Phone: (909) 467-1605. Providers update this record themselves, so call before visiting.
How can I verify David Lozano, M.D.'s license?
NPPES lists California license number A54737, 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 David Lozano, M.D. prescribe under Medicare Part D?
In 2024, David Lozano, M.D. had 5,150 Medicare Part D claims for 856 beneficiaries; the average among general practice physician prescribers was 3,030. 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.