Elbert Kc Chang, MD
Pulmonary Disease Physician · Montclair, CA
Elbert Kc Chang, MD is a pulmonary disease physician with a practice address in Montclair, California, and NPI 1053417808, issued on Sep 16, 2006. Check the license (California A89864, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elbert Kc Chang
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A89864 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9525 Monte Vista Ave Ste 105, Montclair, CA 91763
- Phone
- (909) 626-1205
- Enumerated
- Sep 16, 2006
- Record last updated
- Aug 22, 2023
- Medicaid ID
- 00A898640 CA
- Medicare enrollment
- Enrolled (PECOS I20050124001105); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 9525 Monte Vista Ave Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andres Gonzalez, M.D.Family Medicine Physician1669892147
- Shahram Khorrami, M.D.Pulmonary Disease Physician1306876123
- John Kim, DOPulmonary Disease Physician1710206024
- Hsin-Chen LiuHospitalist Physician1609353135
- George Moran, MDInternal Medicine Physician1639673635
- Ali Salem, M.D.Internal Medicine Physician1376983122
Verify Elbert Kc Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average pulmonary disease physician in 2024
3,726 Medicare Part D claims for 429 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Most prescribed
- Trelegy Ellipta509 claims
- Montelukast Sodium488 claims
- Albuterol Sulfate Hfa408 claims
- Prednisone298 claims
- Azithromycin209 claims
- Fluticasone Propionate118 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 MIPS final score for 2023 (Medicare payment program): 21.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,015.68
129 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 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.
Bills Medicare through 2 group practices
- Inland Physicians Hospitalist ServicesUpland, CA
- Inland Physicians Pulmonary ServicesPomona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elbert Kc Chang among 1,443 pulmonary disease physician records in California
Elbert Kc Chang, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1998 · median 2002 among the 1,061 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 pulmonary disease physician records list a practice address in Montclair
They are 7 of the 1,301 NPPES records with a practice address in Montclair, and 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Montclair → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Gene Hong, MDMontclair, CA 917631144315839
- Frank Hsu, MDMontclair, CA 917631972689545
- Shahram Khorrami, M.D.Montclair, CA 917631306876123
- John Kim, DOMontclair, CA 917631710206024
- Amarin Kongchalalai, MDMontclair, CA 917631649376534
- Rick Siriratsivawong, MDMontclair, CA 917631669615902
- Richard Shinto, M.D.Ontario, CA 917611730338708
- Nadir Eltahir, MDPomona, CA 917671053389338
Common questions
What is Elbert Kc Chang, MD's NPI number?
Elbert Kc Chang, MD's National Provider Identifier (NPI) is 1053417808, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elbert Kc Chang, MD located?
The NPPES record lists a practice address at 9525 Monte Vista Ave Ste 105, Montclair, CA, 91763. Phone: (909) 626-1205. Providers update this record themselves, so call before visiting.
How can I verify Elbert Kc Chang, MD's license?
NPPES lists California license number A89864, 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 Elbert Kc Chang, MD prescribe under Medicare Part D?
In 2024, Elbert Kc Chang, MD had 3,726 Medicare Part D claims for 429 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Elbert Kc Chang, MD's MIPS final score?
The 2023 MIPS final score is 21.3 of 100. 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.