Joel Byungsuk Cho, MD
Hospitalist Physician · San Francisco, CA
Joel Byungsuk Cho, MD is a hospitalist physician with a practice address in San Francisco, California, and NPI 1568541696, issued on Nov 2, 2006. Check the license (California 82663, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joel Byungsuk Cho
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 82663 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Ofarrell St, San Francisco, CA 94115
- Phone
- (415) 833-2000
- Enumerated
- Nov 2, 2006
- Record last updated
- Feb 11, 2022
- Medicaid ID
- 00A826630 CA
- Medicare enrollment
- Enrolled (PECOS I20101203001229); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2200 Ofarrell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bryan Andrews, MDAnesthesiology Physician1609954239
Verify Joel Byungsuk Cho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 82663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average hospitalist physician in 2024
801 Medicare Part D claims for 171 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Pantoprazole Sodium100 claims
- Atorvastatin Calcium62 claims
- Torsemide51 claims
- Metoprolol Succinate45 claims
- Clopidogrel44 claims
- Losartan Potassium40 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joel Byungsuk Cho among 3,099 hospitalist physician records in California
Joel Byungsuk Cho, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1997 · median 2010 among the 2,505 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Francisco → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jonathan Alexander, MDSan Francisco, CA 941151811075450
- Elizabeth Andrews, MDSan Francisco, CA 941151023196631
- Deborah Chiarucci, MDSan Francisco, CA 941151043398647
- Reynaldo Cordero, MDSan Francisco, CA 941151538247192
- Pam Grewall, M.D.San Francisco, CA 941151578580445
- Brian Hoberman, MDSan Francisco, CA 941151952489551
- Jinwoo Kim, MDSan Francisco, CA 941151336227974
- Guy Lubliner, M.D.San Francisco, CA 941151013935089
Common questions
What is Joel Byungsuk Cho, MD's NPI number?
Joel Byungsuk Cho, MD's National Provider Identifier (NPI) is 1568541696, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joel Byungsuk Cho, MD located?
The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Joel Byungsuk Cho, MD's license?
NPPES lists California license number 82663, 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 Joel Byungsuk Cho, MD prescribe under Medicare Part D?
In 2024, Joel Byungsuk Cho, MD had 801 Medicare Part D claims for 171 beneficiaries; the average among hospitalist physician prescribers was 521. 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.