Doctor profile · Federal record

Dr. Sharon Chan, M.D.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Oakland, CA

  • NPI 1013233964
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 Hawthorne Ave Rm 2346
Oakland, CA 946093108
(510) 869-6883
fax (510) 869-8781
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
July 31, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A118582

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013233964. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
648
Distinct HCPCS
3
Medicare allowed
$88,852
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 506 189 $135
99239 Hospital discharge day management, more than 30 minutes 110 109 $132
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 32 32 $196

In context: peer comparison

Among 28 peers in Oakland Hospitalist Physician, average services per provider: 137. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$150
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, INC 1 $150.00

By nature of payment

Food and Beverage
$150

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
32
Total drug cost
$407
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 23 19 $182
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $82
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $143

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sharon Chan's medical specialty?
Dr. Sharon Chan practices Hospitalist Physician in Oakland, CA.
Where does Dr. Sharon Chan practice?
Dr. Sharon Chan practices at 350 Hawthorne Ave Rm 2346, Oakland, CA 946093108. Office phone: 5108696883.
What is Dr. Sharon Chan's NPI?
Dr. Sharon Chan's National Provider Identifier (NPI) is 1013233964, issued by NPPES.
Does Dr. Sharon Chan accept Medicare assignment?
Yes. Dr. Sharon Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sharon Chan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.