Doctor profile · Federal record
Dr. Yvonne Kwan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Costa Mesa, CA
- NPI 1659378966
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1665 Scenic Ave, 100
Costa Mesa, CA 926261445
(714) 436-4700
fax (714) 436-4801 - Mailing address
-
12 Southwind
Irvine, CA 926147094
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- June 30, 2011
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G79797
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659378966. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
767
Distinct HCPCS
10
Medicare allowed
$69,959
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 390 | 218 | $94 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 156 | 104 | $77 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 50 | 45 | $115 | |
90662 |
Influenza vaccine split virus, preservative free | 40 | 40 | $67 | |
G0008 |
Administration of influenza virus vaccine | 40 | 40 | $30 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 26 | 26 | $271 | |
G0009 |
Administration of pneumococcal vaccine | 26 | 26 | $32 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 15 | 13 | $128 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 13 | 13 | $56 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 11 | 11 | $96 |
In context: peer comparison
Among 6 peers in Costa Mesa Internal Medicine Physician, average services per provider: 85. This provider delivers 9.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,002
Patients
1,054
Total drug cost
$72,820
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 469 | 151 | $28,752 |
| Losartan Potassium | Generic | 433 | 145 | $9,075 |
| Amlodipine Besylate | Generic | 332 | 112 | $3,836 |
| Atorvastatin Calcium | Generic | 234 | 77 | $6,320 |
| Alendronate Sodium | Generic | 222 | 78 | $3,747 |
| Pravastatin Sodium | Generic | 184 | 65 | $3,330 |
| Levothyroxine Sodium | Generic | 181 | 57 | $2,822 |
| Metformin Hcl | Generic | 147 | 52 | $1,679 |
| Metoprolol Succinate | Generic | 143 | 46 | $2,798 |
| Lisinopril | Generic | 141 | 44 | $1,269 |
Hospital affiliations
Frequently asked questions
What is Dr. Yvonne Kwan's medical specialty?
Dr. Yvonne Kwan practices Internal Medicine Physician in Costa Mesa, CA.
Where does Dr. Yvonne Kwan practice?
Dr. Yvonne Kwan practices at 1665 Scenic Ave, Costa Mesa, CA 926261445. Office phone: 7144364700.
What is Dr. Yvonne Kwan's NPI?
Dr. Yvonne Kwan's National Provider Identifier (NPI) is 1659378966, issued by NPPES.
Does Dr. Yvonne Kwan accept Medicare assignment?
Yes. Dr. Yvonne Kwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yvonne Kwan 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.