Patrick Chan, MD
Critical Care Medicine (Internal Medicine) Physician · Los Angeles, CA
Patrick Chan, MD is a critical care medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1851832059, issued on Mar 20, 2017. Check the license (California A157424, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patrick Chan
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A157424 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St Ste 1000, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- Mar 20, 2017
- Record last updated
- Jan 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20221025001367); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 1520 San Pablo St Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Patrick Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
18 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 72% of 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: $75.17
3 payments; by number, the most common kind was food and beverage; the largest payer was United Therapeutics Corporation. The 2,708 providers of this specialty with any payment received $2,958.68 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 3 group practices
- Inpatient Specialists OF California PCLos Angeles, CA
- Superior Hospitalist Medical Group IncLos Angeles, CA
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Chan among 723 critical care medicine (internal medicine) physician records in California
Patrick Chan, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2005 among the 559 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Los Angeles → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Kavitha Bagavathy, MBBSLos Angeles, CA 900331467730895
- Peter Chung, M.D.Los Angeles, CA 900331750725347
- Rucha Gadgil, M.D.Los Angeles, CA 900331427323575
- Franck HannallahLos Angeles, CA 900331578959763
- Luis Huerta, M.D.Los Angeles, CA 900331952690505
- Ricardo Juarez, M.D.Los Angeles, CA 900331811926298
- Keith Killu, M.D.Los Angeles, CA 900331285702738
- Santhi Kumar, M.D.Los Angeles, CA 900331548462443
Common questions
What is Patrick Chan, MD's NPI number?
Patrick Chan, MD's National Provider Identifier (NPI) is 1851832059, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Chan, MD located?
The NPPES record lists a practice address at 1520 San Pablo St Ste 1000, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Patrick Chan, MD's license?
NPPES lists California license number A157424, 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 Patrick Chan, MD prescribe under Medicare Part D?
In 2024, Patrick Chan, MD had 18 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.