Doctor profile · Federal record

Dr. Eun-Sil Hwang, MD

Surgery Physician (CMS: Surgical Oncology) · San Francisco, CA

  • NPI 1154385177
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Divisadero Street
San Francisco, CA 94115
(415) 353-7111
fax (415) 353-7021
Mailing address
1600 Divisadero St # B606
San Francisco, CA 941153010

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
May 12, 2011
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #G76659
Medicaid
CA #0G7665900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154385177. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
135
Distinct HCPCS
8
Medicare allowed
$33,295
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 39 39 $172
99213 Established patient office or other outpatient visit, 20-29 minutes 24 23 $63
19301 Partial removal of breast 15 14 $642
19301 Partial removal of breast 13 13 $621
38525 Biopsy or removal of deep lymph nodes of underarm 11 11 $207
38525 Biopsy or removal of deep lymph nodes of underarm 11 11 $207
38900 Imaging of lymph nodes during surgery 11 11 $128
38900 Imaging of lymph nodes during surgery 11 11 $128

In context: peer comparison

Among 33 peers in San Francisco Surgery Physician, average services per provider: 39. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,825
Transactions
18
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 14 $3,008.37
Merck Sharp & Dohme LLC 3 $2,941.90
Novartis Pharmaceuticals Corporation 1 $1,875.00

By nature of payment

Consulting Fee
$4,620
Travel and Lodging
$2,984
Food and Beverage
$221

Frequently asked questions

Auto-generated from federal data
What is Dr. Eun-Sil Hwang's medical specialty?
Dr. Eun-Sil Hwang practices Surgery Physician in San Francisco, CA.
Where does Dr. Eun-Sil Hwang practice?
Dr. Eun-Sil Hwang practices at 1600 Divisadero Street, San Francisco, CA 94115. Office phone: 4153537111.
What is Dr. Eun-Sil Hwang's NPI?
Dr. Eun-Sil Hwang's National Provider Identifier (NPI) is 1154385177, issued by NPPES.
Does Dr. Eun-Sil Hwang accept Medicare assignment?
Yes. Dr. Eun-Sil Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eun-Sil Hwang commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99213); Partial removal of breast (HCPCS 19301). Source: CMS Medicare Physician & Other Practitioners file.