Doctor profile · Federal record

Dr. Jonathan Chung, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Santa Rosa, CA

  • NPI 1598256414
  • Accepts Medicare
  • MIPS 84.1 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
30 Mark West Springs RD
Santa Rosa, CA 954031436
(707) 576-4000
Additional location
200 W Arbor Dr
San Diego, CA 921039000
(619) 543-6268
Additional location
8700 Beverly Blvd # B220
West Hollywood, CA 900481804
(310) 423-5252
fax (310) 423-8441
Mailing address
601 van Ness Ave Ste E3619
San Francisco, CA 941023200

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
March 14, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A165820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598256414. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
734
Distinct HCPCS
4
Medicare allowed
$97,036
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 509 136 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 119 118 $183
99239 Hospital discharge day management, more than 30 minutes 92 91 $121
99497 Advance care planning, first 30 minutes 14 11 $80

In context: peer comparison

Among 4 peers in this city , average services per provider: 100. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$257
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $145.03
Gilead Sciences, Inc. 1 $112.17

By nature of payment

Food and Beverage
$257

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$227
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 11 0 $227

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Chung's medical specialty?
Dr. Jonathan Chung practices Hospitalist Physician in Santa Rosa, CA.
Where does Dr. Jonathan Chung practice?
Dr. Jonathan Chung practices at 30 Mark West Springs RD, Santa Rosa, CA 954031436. Office phone: 7075764000.
What is Dr. Jonathan Chung's NPI?
Dr. Jonathan Chung's National Provider Identifier (NPI) is 1598256414, issued by NPPES.
Does Dr. Jonathan Chung accept Medicare assignment?
Yes. Dr. Jonathan Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Chung commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.