Doctor profile · Federal record
Dr. Ruth Hwang, MS, PA-C
Physician Assistant · Fullerton, CA
- NPI 1821332156
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 E Valencia Mesa Dr Ste 105
Fullerton, CA 928353816
(714) 449-4950 - Additional location
-
12020 S Warner Elliot Loop Ste 101
Phoenix, AZ 850442712
(480) 751-1900 - Mailing address
-
12020 S Warner Elliot Loop Ste 101
Phoenix, AZ 850442712
Credentials & registration
- NPI registered
- November 2012 — 14 yrs on file
- Profile last updated
- October 19, 2020
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Arizona #5211
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821332156. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
268
Distinct HCPCS
2
Medicare allowed
$24,302
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 184 | 101 | $118 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 84 | 48 | $31 |
In context: peer comparison
Among 21 peers in Fullerton Physician Assistant, average services per provider: 68. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$1,543
Transactions
43
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Corcept Therapeutics | 8 | $443.87 | |
| Medtronic, INC. | 11 | $271.26 | |
| Abbott Laboratories | 6 | $204.81 | |
| Xeris Pharmaceuticals, INC. | 5 | $202.29 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $119.77 | |
| Dexcom, INC. | 4 | $117.35 | |
| Lilly USA, LLC | 4 | $93.52 | |
| Novo Nordisk INC | 3 | $61.57 | |
| Tandem Diabetes Care, INC. | 1 | $28.26 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
789
Patients
202
Total drug cost
$668,396
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ozempic (Semaglutide) | Brand | 171 | 41 | $258,150 |
| Levothyroxine Sodium | Generic | 86 | 23 | $2,197 |
| Metformin Hcl | Generic | 75 | 26 | $727 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 74 | 21 | $87,771 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 68 | 22 | $1,097 |
| Toujeo Max Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 66 | 17 | $66,482 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 55 | 28 | $5,984 |
| Trulicity (Dulaglutide) | Brand | 34 | 0 | $56,593 |
| Jardiance (Empagliflozin) | Brand | 33 | 13 | $51,504 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 26 | 0 | $18,177 |
Hospital affiliations
Frequently asked questions
What is Dr. Ruth Hwang's medical specialty?
Dr. Ruth Hwang practices Physician Assistant in Fullerton, CA.
Where does Dr. Ruth Hwang practice?
Dr. Ruth Hwang practices at 100 E Valencia Mesa Dr Ste 105, Fullerton, CA 928353816. Office phone: 7144494950.
What is Dr. Ruth Hwang's NPI?
Dr. Ruth Hwang's National Provider Identifier (NPI) is 1821332156, issued by NPPES.
Does Dr. Ruth Hwang accept Medicare assignment?
Yes. Dr. Ruth Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Hwang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.