Doctor profile · Federal record

Dr. Julie Hwynn, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Garden Grove, CA

  • NPI 1780682401
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12555 Garden Grove Blvd, Suite 301
Garden Grove, CA 928431902
(714) 741-0501
fax (714) 741-0095

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 18, 2012
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A66861
Medicaid
CA #00A668610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780682401. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$5,905
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 39 16 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 14 13 $88

In context: peer comparison

Among 16 peers in Garden Grove Internal Medicine Physician, average services per provider: 257. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$408
Transactions
20
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 3 $71.89
Pfizer INC. 4 $69.65
Boehringer Ingelheim Pharmaceuticals, INC. 2 $54.93
Lilly USA, LLC 2 $54.49
Exeltis, USA INC. 3 $50.95
Sumitomo Pharma America, INC. 2 $40.44
GlaxoSmithKline, LLC. 2 $36.19
Coloplast Corp 1 $16.50
Amgen INC. 1 $13.44

By nature of payment

Food and Beverage
$408

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
795
Patients
248
Total drug cost
$63,035
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 141 47 $3,053
Benazepril Hcl Generic 84 28 $1,509
Alendronate Sodium Generic 76 26 $1,496
Rosuvastatin Calcium Generic 67 29 $2,452
Losartan Potassium Generic 66 21 $1,078
Metformin Hcl Generic 64 17 $1,001
Amlodipine Besylate Generic 60 22 $952
Ezetimibe Generic 42 17 $2,161
Pravastatin Sodium Generic 42 15 $1,046
Metoprolol Succinate Generic 38 13 $1,062

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Hwynn's medical specialty?
Dr. Julie Hwynn practices Internal Medicine Physician in Garden Grove, CA.
Where does Dr. Julie Hwynn practice?
Dr. Julie Hwynn practices at 12555 Garden Grove Blvd, Garden Grove, CA 928431902. Office phone: 7147410501.
What is Dr. Julie Hwynn's NPI?
Dr. Julie Hwynn's National Provider Identifier (NPI) is 1780682401, issued by NPPES.
Does Dr. Julie Hwynn accept Medicare assignment?
Yes. Dr. Julie Hwynn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Hwynn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.