Doctor profile · Federal record
Dr. Wynnshang Sun, MD
Internal Medicine Physician (CMS: Internal Medicine) · La Jolla, CA
- NPI 1801806732
- Accepts Medicare
- MIPS 77.0 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9850 Genesee Ave, Ste 870
La Jolla, CA 92037
(858) 452-7040
fax (858) 452-7137
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 7, 2013
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A63389
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801806732. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,780
Distinct HCPCS
10
Medicare allowed
$464,067
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,303 | 565 | $138 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 563 | 216 | $68 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 434 | 416 | $16 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 365 | 365 | $141 | |
G0008 |
Administration of influenza virus vaccine | 297 | 293 | $25 | |
90662 |
Influenza vaccine split virus, preservative free | 280 | 279 | $72 | |
90480 |
Admn sarscov2 vacc 1 dose | 234 | 234 | $45 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 195 | 152 | $194 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 165 | 139 | $98 | |
91322 |
Sarscov2 vac 50 mcg/0.5ml im | 123 | 123 | $143 |
In context: peer comparison
Among 33 peers in La Jolla Internal Medicine Physician, average services per provider: 105. This provider delivers 46× the peer median.Open Payments
Industry payments received
All-time total
$1,275
Transactions
51
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 8 | $168.01 | |
| Stryker Corporation | 3 | $163.67 | |
| Pfizer INC. | 7 | $159.48 | |
| Lilly USA, LLC | 6 | $143.11 | |
| GlaxoSmithKline, LLC. | 6 | $127.29 | |
| Abbvie INC. | 4 | $91.53 | |
| Gilead Sciences, INC. | 3 | $89.65 | |
| Novo Nordisk INC | 4 | $79.54 | |
| Novartis Pharmaceuticals Corporation | 3 | $58.31 | |
| Exact Sciences Corporation | 2 | $41.45 | |
| Seqirus USA INC | 1 | $28.02 | |
| Dexcom, INC. | 1 | $26.31 | |
| Amgen INC. | 1 | $25.81 | |
| Janssen Pharmaceuticals, INC | 1 | $22.57 | |
| Acella Pharmaceuticals, LLC | 1 | $19.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,596
Patients
745
Total drug cost
$48,709
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 481 | 135 | $5,002 |
| Rosuvastatin Calcium | Generic | 317 | 88 | $7,276 |
| Lisinopril | Generic | 211 | 58 | $2,018 |
| Amlodipine Besylate | Generic | 190 | 47 | $1,515 |
| Meloxicam | Generic | 170 | 54 | $778 |
| Losartan Potassium | Generic | 158 | 46 | $1,861 |
| Tamsulosin Hcl | Generic | 135 | 34 | $2,578 |
| Omeprazole | Generic | 134 | 48 | $1,850 |
| Gabapentin | Generic | 132 | 37 | $2,877 |
| Synthroid (Levothyroxine Sodium) | Brand | 126 | 38 | $15,131 |
Hospital affiliations
Frequently asked questions
What is Dr. Wynnshang Sun's medical specialty?
Dr. Wynnshang Sun practices Internal Medicine Physician in La Jolla, CA.
Where does Dr. Wynnshang Sun practice?
Dr. Wynnshang Sun practices at 9850 Genesee Ave, La Jolla, CA 92037. Office phone: 8584527040.
What is Dr. Wynnshang Sun's NPI?
Dr. Wynnshang Sun's National Provider Identifier (NPI) is 1801806732, issued by NPPES.
Does Dr. Wynnshang Sun accept Medicare assignment?
Yes. Dr. Wynnshang Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wynnshang Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.