Doctor profile · Federal record
Dr. Hueylan Chern, M.D.
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · San Francisco, CA
- NPI 1942461645
- Accepts Medicare
- 24 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2330 Post St, Suite 260
San Francisco, CA 941153465
(415) 885-3625
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- December 10, 2009
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- California #A109836
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942461645. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
143
Distinct HCPCS
6
Medicare allowed
$12,204
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 49 | 49 | $92 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 40 | 37 | $74 | |
46600 |
Diagnostic exam of anus using an endoscope | 15 | 15 | $48 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 12 | $110 | |
45300 |
Diagnostic exam of rectum and lower large bowel using an endoscope | 13 | 13 | $52 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $149 |
In context: peer comparison
Among 2 peers in San Francisco Colon & Rectal Surgery Physician, average services per provider: 38. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$11,649
Transactions
10
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 10 | $11,649.43 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Hueylan Chern's medical specialty?
Dr. Hueylan Chern practices Colon & Rectal Surgery Physician in San Francisco, CA.
Where does Dr. Hueylan Chern practice?
Dr. Hueylan Chern practices at 2330 Post St, San Francisco, CA 941153465. Office phone: 4158853625.
What is Dr. Hueylan Chern's NPI?
Dr. Hueylan Chern's National Provider Identifier (NPI) is 1942461645, issued by NPPES.
Does Dr. Hueylan Chern accept Medicare assignment?
Yes. Dr. Hueylan Chern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hueylan Chern commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of anus using an endoscope (HCPCS 46600). Source: CMS Medicare Physician & Other Practitioners file.