Doctor profile · Federal record

Dr. Emily Choi, PA-C

Physician Assistant · Antioch, CA

  • NPI 1861944571
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3901 Lone Tree Way
Antioch, CA 945096200
(925) 779-7200
Mailing address
20103 Lake Chabot RD
Castro Valley, CA 945465305

Credentials & registration

NPPES · NUCC
NPI registered
October 2016 — 10 yrs on file
Profile last updated
June 13, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #53744

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861944571. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39
Distinct HCPCS
2
Medicare allowed
$5,342
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 21 21 $160
99284 Emergency department visit with moderate level of medical decision making 18 18 $110

In context: peer comparison

Among 8 peers in Antioch Physician Assistant, average services per provider: 47. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$366
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $137.01
Genzyme Corporation 1 $124.99
Vertex Pharmaceuticals Incorporated 1 $104.00

By nature of payment

Food and Beverage
$366

Frequently asked questions

Auto-generated from federal data
What is Dr. Emily Choi's medical specialty?
Dr. Emily Choi practices Physician Assistant in Antioch, CA.
Where does Dr. Emily Choi practice?
Dr. Emily Choi practices at 3901 Lone Tree Way, Antioch, CA 945096200. Office phone: 9257797200.
What is Dr. Emily Choi's NPI?
Dr. Emily Choi's National Provider Identifier (NPI) is 1861944571, issued by NPPES.
Does Dr. Emily Choi accept Medicare assignment?
Yes. Dr. Emily Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emily Choi commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.