Doctor profile · Federal record
Dr. Andy Hsi, M.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Placentia, CA
- NPI 1366832032
- Accepts Medicare
- MIPS 77.9 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1041 E Yorba Linda Blvd Ste 304
Placentia, CA 928703751
(714) 924-7240
fax (714) 924-7247 - Additional location
-
660 S Euclid Ave, Campus Box 8118
Saint Louis, MO 631101010
(314) 362-5000 - Mailing address
-
9900 N Central Expy Ste 500
Dallas, TX 752310928
Credentials & registration
- NPI registered
- February 2015 — 11 yrs on file
- Profile last updated
- July 29, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (2)
- California #A149487 · Missouri #2012020186
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366832032. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21,032
Distinct HCPCS
5
Medicare allowed
$1,791,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 16,809 | 10,176 | $82 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 1,422 | 1,308 | $117 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 1,351 | 740 | $99 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 1,014 | 936 | $52 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 436 | 351 | $130 |
In context: peer comparison
Among 1 peers in Placentia Anatomic Pathology & Clinical Pathology Physician, average services per provider: 4,206. This provider delivers 5.0× the peer median.Frequently asked questions
What is Dr. Andy Hsi's medical specialty?
Dr. Andy Hsi practices Anatomic Pathology & Clinical Pathology Physician in Placentia, CA.
Where does Dr. Andy Hsi practice?
Dr. Andy Hsi practices at 1041 E Yorba Linda Blvd Ste 304, Placentia, CA 928703751. Office phone: 7149247240.
What is Dr. Andy Hsi's NPI?
Dr. Andy Hsi's National Provider Identifier (NPI) is 1366832032, issued by NPPES.
Does Dr. Andy Hsi accept Medicare assignment?
Yes. Dr. Andy Hsi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andy Hsi commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.