Joseph Lochinvar Dinglasan, M.D.
Emergency Medicine Physician · Mission Viejo, CA
Joseph Lochinvar Dinglasan, M.D. is an emergency medicine physician with a practice address in Mission Viejo, California, and NPI 1457515272, issued on Jul 10, 2008. Check the license (California A109801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Lochinvar Dinglasan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A109801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27700 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 365-2202
- Enumerated
- Jul 10, 2008
- Record last updated
- Mar 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20110817000685); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 27700 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mehdi Amiri, PHARM. D.Pharmacist1528586799
- Ivan Babin, M.D.Vascular & Interventional Radiology Physician1134461486
- Danniella BermanPhysician Assistant1740849363
- Michael Blumenfeld, M.D.Anatomic Pathology & Clinical Pathology Physician1578679882
- Emily Brady, MD, MPHAnesthesiology Physician1801107669
Verify Joseph Lochinvar Dinglasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average emergency medicine physician in 2024
281 Medicare Part D claims for 158 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 16 claims were for opioids.
Most prescribed
- Ondansetron Hcl28 claims
- Hydralazine Hcl21 claims
- Cephalexin20 claims
- Ondansetron Odt19 claims
- Famotidine15 claims
- Hydrocodone-Acetaminophen14 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Western Sierra Emergency Physicians Medical Group IncLake Arrowhead, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Lochinvar Dinglasan among 7,751 emergency medicine physician records in California
Joseph Lochinvar Dinglasan, 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 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 updated2024 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Mission Viejo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mohammad Al-Sayyad, MDMission Viejo, CA 926911538109418
- Jon Cline, M.D.Mission Viejo, CA 926911679505622
- Peter Czuleger, M.D.Mission Viejo, CA 926911043265580
- Ramon Johnson, M.D.Mission Viejo, CA 926911861426629
- Matthew Kaplan, M.D.Mission Viejo, CA 926911518991322
- James Keany, M.D.Mission Viejo, CA 926911598799330
- Richard Kozak, M.D.Mission Viejo, CA 926911457380107
- Gregory Lampe, M.D.Mission Viejo, CA 926911902839863
Common questions
What is Joseph Lochinvar Dinglasan, M.D.'s NPI number?
Joseph Lochinvar Dinglasan, M.D.'s National Provider Identifier (NPI) is 1457515272, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Lochinvar Dinglasan, M.D. located?
The NPPES record lists a practice address at 27700 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 365-2202. Providers update this record themselves, so call before visiting.
How can I verify Joseph Lochinvar Dinglasan, M.D.'s license?
NPPES lists California license number A109801, 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 Joseph Lochinvar Dinglasan, M.D. prescribe under Medicare Part D?
In 2024, Joseph Lochinvar Dinglasan, M.D. had 281 Medicare Part D claims for 158 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Joseph Lochinvar Dinglasan, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.