Physician Profile
Eun-Sil S. Hwang, MD
Unclaimed ProfileAbout Dr. Hwang
Based in San Francisco, CA, Eun-Sil S. Hwang, MD is listed in the NPI registry under surgical oncology. Eun-Sil graduated from University of California, Geffen School of Medicine in 1991. Eun-Sil is also listed as specializing in surgery. Medicare claims data shows Eun-Sil provided 54 services to 51 patients. The services billed most often include partial removal of breast, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and biopsy or removal of deep lymph nodes of underarm. NPI 1154385177 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 353-7111
- Email not available
Practice Locations
1600 DIVISADERO STREET
San Francisco, CA 94115
Procedures Most Often Billed to Medicare
54 services · 51 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
22 | As often as other peers in Surgical Oncology |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
11 | Less often than most peers in Surgical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
21 | As often as other peers in Surgical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other surgical oncology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other surgical oncology specialists in San Francisco 7
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 4
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of breast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Hwang's specialty?
Dr. Hwang is a surgical oncology in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Hwang?
Dr. Hwang is listed at 1600 Divisadero Street, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hwang?
The number on file is (415) 353-7111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hwang?
Dr. Hwang's National Provider Identifier is 1154385177. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Hwang's medical education?
Dr. Hwang attended University of California, Geffen School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hwang have?
Dr. Hwang has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hwang known for?
According to Medicare billing data, Dr. Hwang performs procedures including partial removal of breast and biopsy or removal of deep lymph nodes of underarm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hwang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hwang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.