Doctor profile · Federal record

Dr. Nicholas Bai, PA

Physician Assistant · San Diego, CA

  • NPI 1861748154
  • MIPS 75.0 / 100 · 2023
  • 14 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4746 Zion Ave
San Diego, CA 92120
(619) 528-5000
Mailing address
2028 31St St
San Diego, CA 921045632

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
October 26, 2015
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #52091

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861748154. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11,414
Distinct HCPCS
8
Medicare allowed
$7,495,683
HCPCS Description Services Patients Avg allowed
Q4248 Dermacyte amniotic membrane allograft, per square centimeter 4,302 46 $1,017
Q4253 Zenith amniotic membrane, per square centimeter 2,902 43 $651
11043 Removal of muscle and/or tissue, 20.0 sq cm or less 1,540 357 $213
11042 Removal of skin and tissue, 20.0 sq cm or less 868 317 $112
Q4259 Celera dual layer or celera dual membrane, per square centimeter 730 14 $991
15271 Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less 479 108 $99
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less 393 90 $65
11045 Removal of skin and tissue, each additional 20.0 sq cm or less 200 69 $36

In context: peer comparison

Among 93 peers in San Diego Physician Assistant, average services per provider: 95. This provider delivers 120× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, INC. 1 $23.91

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
40
Total drug cost
$8,296
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 44 40 $1,180
Santyl (Collagenase Clostridium Hist.) Brand 13 0 $7,116

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Bai's medical specialty?
Dr. Nicholas Bai practices Physician Assistant in San Diego, CA.
Where does Dr. Nicholas Bai practice?
Dr. Nicholas Bai practices at 4746 Zion Ave, San Diego, CA 92120. Office phone: 6195285000.
What is Dr. Nicholas Bai's NPI?
Dr. Nicholas Bai's National Provider Identifier (NPI) is 1861748154, issued by NPPES.
What procedures does Dr. Nicholas Bai commonly perform?
Top Medicare-reported procedures in 2023: Dermacyte amniotic membrane allograft, per square centimeter (HCPCS Q4248); Zenith amniotic membrane, per square centimeter (HCPCS Q4253); Removal of muscle and/or tissue, 20.0 sq cm or less (HCPCS 11043). Source: CMS Medicare Physician & Other Practitioners file.