Doctor profile · Federal record

Dr. William Park, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Garden Grove, CA

  • NPI 1821002288
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9828 Garden Grove Blvd Ste 201
Garden Grove, CA 928441659
(714) 530-9633
fax (714) 530-4410

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 13, 2008
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A52866C
Medicaid
CA #00A528661

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821002288. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$1,745
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 12 12 $145

In context: peer comparison

Among 2 peers in Garden Grove Anesthesiology Physician, average services per provider: 36. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
509
Patients
108
Total drug cost
$128,542
Drug Type Claims Patients Total cost
Vascepa (Icosapent Ethyl) Brand 95 26 $40,620
Donepezil Hcl Generic 60 14 $1,656
Creon (Lipase/Protease/Amylase) Brand 50 17 $47,573
Celecoxib Generic 34 0 $1,047
Rosuvastatin Calcium Generic 32 11 $572
Lidocaine Generic 31 0 $13,604
Losartan Potassium Generic 29 11 $738
Azithromycin Generic 27 16 $293
Amlodipine Besylate Generic 24 13 $453
Triamcinolone Acetonide Generic 23 0 $397

Frequently asked questions

Auto-generated from federal data
What is Dr. William Park's medical specialty?
Dr. William Park practices Anesthesiology Physician in Garden Grove, CA.
Where does Dr. William Park practice?
Dr. William Park practices at 9828 Garden Grove Blvd Ste 201, Garden Grove, CA 928441659. Office phone: 7145309633.
What is Dr. William Park's NPI?
Dr. William Park's National Provider Identifier (NPI) is 1821002288, issued by NPPES.
Does Dr. William Park accept Medicare assignment?
Yes. Dr. William Park accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Park commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.