Daniel Chang, D.O.
Emergency Medicine Physician · La Mesa, CA
Daniel Chang, D.O. is an emergency medicine physician with a practice address in La Mesa, California, and NPI 1619265675, issued on Jul 12, 2011. Check the license (California 20A14726, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Chang
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20A14726 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Grossmont Center Dr, La Mesa, CA 91942
- Phone
- (800) 827-4277
- Enumerated
- Jul 12, 2011
- Record last updated
- Oct 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160928000325); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 5525 Grossmont Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashkan Abedini, MDFamily Medicine Physician1013546373
- Cynthia Adams, PA-CMedical Physician Assistant1447564141
- Alicia Afrah-Boateng, PA-CPhysician Assistant1174073886
- Sonal Agrawal, M.D.Pediatrics Physician1881702348
- Mary Alexander, M.D.Internal Medicine Physician1538177845
- James Amberg, MDFamily Medicine Physician1265497093
Verify Daniel Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14726Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average emergency medicine physician in 2024
300 Medicare Part D claims for 219 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate36 claims
- Cephalexin32 claims
- Amoxicillin-Clavulanate Potass26 claims
- Azithromycin22 claims
- Methylprednisolone22 claims
- Mupirocin18 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): 73.6 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 2 group practices
- Cep America - CaliforniaGarden Grove, CA
- 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).
Daniel Chang among 7,751 emergency medicine physician records in California
Daniel Chang, 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2011 among the 4,560 with a school on file
- Record last updated2017 · 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).
42 emergency medicine physician records list a practice address in La Mesa
They are 42 of the 2,168 NPPES records with a practice address in La Mesa, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in La Mesa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brook Beall, MDLa Mesa, CA 919421508803529
- Brent Butcher, MDLa Mesa, CA 919421861413700
- Kellie Freeborn, NPLa Mesa, CA 919421841220860
- Erwin Handley, MDLa Mesa, CA 919421871536631
- Kevin KellyLa Mesa, CA 919421811924764
- Swathi Lavu-Rao, MDLa Mesa, CA 919421497789630
- Brendan Lee, DOLa Mesa, CA 919421033146022
- William Linnik, MDLa Mesa, CA 919421871526327
Common questions
What is Daniel Chang, D.O.'s NPI number?
Daniel Chang, D.O.'s National Provider Identifier (NPI) is 1619265675, issued on Jul 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Chang, D.O. located?
The NPPES record lists a practice address at 5525 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (800) 827-4277. Providers update this record themselves, so call before visiting.
How can I verify Daniel Chang, D.O.'s license?
NPPES lists California license number 20A14726, 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 Daniel Chang, D.O. prescribe under Medicare Part D?
In 2024, Daniel Chang, D.O. had 300 Medicare Part D claims for 219 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Daniel Chang, D.O.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.