Doctor profile · Federal record
Dr. Mazen Khusayem, MD
Internal Medicine Physician (CMS: Internal Medicine) · Clayton, NC
- NPI 1285604934
- Accepts Medicare
- MIPS 95.3 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
301 Amos St
Clayton, NC 275202644
(919) 550-6336
fax (919) 550-0180 - Mailing address
-
Po Box 997
Clayton, NC 275280997
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- August 6, 2007
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- North Carolina #9900898
- Medicaid
- NC #89126XV
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285604934. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,789
Distinct HCPCS
10
Medicare allowed
$255,836
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 994 | 358 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 398 | 191 | $86 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 395 | 57 | $1 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 353 | 40 | $47 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 327 | 42 | $47 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 261 | 261 | $124 | |
96372 |
Injection of drug or substance under skin or into muscle | 207 | 95 | $13 | |
81003 |
Automated urinalysis test | 169 | 126 | $2 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 157 | 41 | $38 | |
J1885 |
Injection, ketorolac tromethamine, per 15 mg | 134 | 47 | $1 |
In context: peer comparison
Among 4 peers in Clayton Internal Medicine Physician, average services per provider: 128. This provider delivers 30× the peer median.Open Payments
Industry payments received
All-time total
$2,189
Transactions
73
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 10 | $418.85 | |
| Lilly USA, LLC | 13 | $300.36 | |
| Novo Nordisk INC | 13 | $299.10 | |
| Merz North America, INC. | 2 | $133.63 | |
| Novartis Pharmaceuticals Corporation | 6 | $101.20 | |
| Abbvie INC. | 4 | $80.67 | |
| Corcept Therapeutics | 3 | $77.22 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $71.36 | |
| Merck Sharp & Dohme LLC | 4 | $69.39 | |
| Astellas Pharma US INC | 3 | $67.88 | |
| Mylan Specialty L.P. | 3 | $55.64 | |
| Pfizer INC. | 3 | $43.35 | |
| Exact Sciences Corporation | 2 | $35.87 | |
| Revance Therapeutics, INC. | 1 | $35.45 | |
| Janssen Pharmaceuticals, INC | 2 | $34.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,560
Patients
1,769
Total drug cost
$100,096
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 979 | 260 | $12,412 |
| Amlodipine Besylate | Generic | 812 | 227 | $6,357 |
| Levothyroxine Sodium | Generic | 671 | 158 | $10,488 |
| Metformin Hcl | Generic | 543 | 151 | $4,827 |
| Gabapentin | Generic | 540 | 140 | $9,879 |
| Carvedilol | Generic | 451 | 129 | $4,930 |
| Pantoprazole Sodium | Generic | 407 | 113 | $5,282 |
| Valsartan-Hydrochlorothiazide (Valsartan/Hydrochlorothiazide) | Brand | 324 | 94 | $18,161 |
| Losartan Potassium | Generic | 318 | 89 | $4,940 |
| Metoprolol Succinate | Generic | 298 | 86 | $6,182 |
Frequently asked questions
What is Dr. Mazen Khusayem's medical specialty?
Dr. Mazen Khusayem practices Internal Medicine Physician in Clayton, NC.
Where does Dr. Mazen Khusayem practice?
Dr. Mazen Khusayem practices at 301 Amos St, Clayton, NC 275202644. Office phone: 9195506336.
What is Dr. Mazen Khusayem's NPI?
Dr. Mazen Khusayem's National Provider Identifier (NPI) is 1285604934, issued by NPPES.
Does Dr. Mazen Khusayem accept Medicare assignment?
Yes. Dr. Mazen Khusayem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mazen Khusayem 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); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.