Doctor profile · Federal record

Dr. Ying Chi, M.D.

Orthopaedic Hand Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Orthopaedic Hand Surgery Physician · Fountain Valley, CA

  • NPI 1518178169
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11190 Warner Ave, Suite 307
Fountain Valley, CA 927084019
(714) 434-3518
fax (714) 434-3759

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 2, 2023
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207XS0106X — NUCC code
State licenses (3)
California #A107272 · Michigan #4301085512 · Ohio #35.095552

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518178169. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,570
Distinct HCPCS
10
Medicare allowed
$338,323
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 133 44 $1
99204 New patient office or other outpatient visit, 45-59 minutes 104 104 $179
64450 Injection of anesthetic agent and/or steroid into other nerve or branch 97 65 $22
73110 X-ray of wrist, minimum of 3 views 95 63 $48
26340 Manipulation of finger joint under anesthesia 88 34 $203
26593 Release of hand muscle 87 24 $368
26440 Release of tendon of palm or finger 85 35 $470
73130 X-ray of hand, minimum of 3 views 78 65 $43
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less 72 57 $338
99214 Established patient office or other outpatient visit, 30-39 minutes 62 49 $139

In context: peer comparison

Among 1 peers in Fountain Valley Orthopaedic Hand Surgery Physician, average services per provider: 49. This provider delivers 32× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
354
Patients
336
Total drug cost
$2,223
Drug Type Claims Patients Total cost
Cephalexin Generic 144 136 $1,464
Tramadol Hcl Generic 104 98 $222
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 92 89 $418
Clindamycin Hcl Generic 14 13 $118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ying Chi's medical specialty?
Dr. Ying Chi practices Orthopaedic Hand Surgery Physician in Fountain Valley, CA.
Where does Dr. Ying Chi practice?
Dr. Ying Chi practices at 11190 Warner Ave, Fountain Valley, CA 927084019. Office phone: 7144343518.
What is Dr. Ying Chi's NPI?
Dr. Ying Chi's National Provider Identifier (NPI) is 1518178169, issued by NPPES.
Does Dr. Ying Chi accept Medicare assignment?
Yes. Dr. Ying Chi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ying Chi commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); New patient office or other outpatient visit (HCPCS 99204); Injection of anesthetic agent and/or steroid into other nerve or branch (HCPCS 64450). Source: CMS Medicare Physician & Other Practitioners file.