Doctor profile · Federal record
Dr. Karen Sun, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Bridgewater, NJ
- NPI 1558307900
- Accepts Medicare
- 42 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
201 Union Ave, Suite 1A
Bridgewater, NJ 088073002
(908) 595-6330
fax (908) 595-6330
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 2, 2010
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #MA070631
- Medicaid
- NJ #8636605
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558307900. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
798
Distinct HCPCS
10
Medicare allowed
$79,057
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 248 | 102 | $100 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 73 | $141 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 90 | 16 | $116 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 86 | 74 | $16 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 73 | 73 | $142 | |
G0008 |
Administration of influenza virus vaccine | 44 | 44 | $34 | |
90662 |
Influenza vaccine split virus, preservative free | 42 | 42 | $72 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 29 | 29 | $21 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 21 | 20 | $281 | |
90471 |
Administration of vaccine | 19 | 17 | $23 |
In context: peer comparison
Among 7 peers in Bridgewater Internal Medicine Physician, average services per provider: 123. This provider delivers 6.5× the peer median.Open Payments
Industry payments received
All-time total
$256
Transactions
16
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 5 | $75.20 | |
| Novo Nordisk INC | 3 | $49.34 | |
| Novartis Pharmaceuticals Corporation | 2 | $34.19 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $29.20 | |
| Astellas Pharma US INC | 1 | $18.85 | |
| Abbott Laboratories | 1 | $17.17 | |
| Merck Sharp & Dohme LLC | 1 | $16.68 | |
| GlaxoSmithKline, LLC. | 1 | $15.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,405
Patients
362
Total drug cost
$25,869
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 169 | 49 | $2,472 |
| Levothyroxine Sodium | Generic | 150 | 32 | $2,304 |
| Atorvastatin Calcium | Generic | 147 | 46 | $2,432 |
| Metoprolol Succinate | Generic | 130 | 30 | $3,242 |
| Mirtazapine | Generic | 97 | 17 | $3,702 |
| Furosemide | Generic | 91 | 21 | $649 |
| Potassium Chloride | Generic | 89 | 21 | $1,577 |
| Losartan Potassium | Generic | 87 | 27 | $1,666 |
| Rosuvastatin Calcium | Generic | 85 | 32 | $1,460 |
| Metformin Hcl | Generic | 76 | 22 | $1,327 |
Frequently asked questions
What is Dr. Karen Sun's medical specialty?
Dr. Karen Sun practices Internal Medicine Physician in Bridgewater, NJ.
Where does Dr. Karen Sun practice?
Dr. Karen Sun practices at 201 Union Ave, Bridgewater, NJ 088073002. Office phone: 9085956330.
What is Dr. Karen Sun's NPI?
Dr. Karen Sun's National Provider Identifier (NPI) is 1558307900, issued by NPPES.
Does Dr. Karen Sun accept Medicare assignment?
Yes. Dr. Karen Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.