Doctor profile · Federal record
Dr. Riad Hajjar, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Port Huron, MI
- NPI 1538153176
- Accepts Medicare
- 35 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1201 Stone St, Ste. 5
Port Huron, MI 480603563
(810) 966-9556
fax (810) 966-4898
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #RH066725
- Medicaid
- MI #127697
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538153176. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,605
Distinct HCPCS
10
Medicare allowed
$316,421
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 942 | 262 | $122 | |
36415 |
Insertion of needle into vein for collection of blood sample | 666 | 256 | $3 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 623 | 100 | $76 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 259 | 195 | $8 | |
83036 |
Hemoglobin a1c level | 179 | 104 | $10 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 158 | 158 | $17 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 152 | 46 | $54 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 146 | 146 | $17 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 144 | 144 | $123 | |
80305 |
Testing for presence of drug, read by direct observation | 139 | 24 | $12 |
In context: peer comparison
Among 3 peers in Port Huron Internal Medicine Physician, average services per provider: 121. This provider delivers 38× the peer median.Open Payments
Industry payments received
All-time total
$780
Transactions
27
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 6 | $275.17 | |
| Merck Sharp & Dohme LLC | 3 | $74.24 | |
| Gilead Sciences, INC. | 3 | $55.41 | |
| Novartis Pharmaceuticals Corporation | 2 | $44.68 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $32.21 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $28.41 | |
| Lilly USA, LLC | 2 | $28.20 | |
| Argenx US, INC. | 1 | $24.80 | |
| Amgen INC. | 1 | $24.76 | |
| Novo Nordisk INC | 1 | $21.49 | |
| Abbvie INC. | 1 | $21.06 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $20.93 | |
| Pfizer INC. | 1 | $19.94 | |
| Mylan Specialty L.P. | 1 | $18.13 | |
| Paratek Pharmaceuticals, INC. | 1 | $17.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
7,363
Patients
1,671
Total drug cost
$116,217
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 1,015 | 233 | $18,029 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 864 | 132 | $16,713 |
| Alprazolam | Generic | 691 | 117 | $4,327 |
| Atorvastatin Calcium | Generic | 547 | 139 | $9,589 |
| Amlodipine Besylate | Generic | 479 | 126 | $4,148 |
| Pantoprazole Sodium | Generic | 460 | 119 | $6,820 |
| Losartan Potassium | Generic | 418 | 111 | $8,376 |
| Furosemide | Generic | 417 | 110 | $2,856 |
| Metoprolol Tartrate | Generic | 404 | 101 | $4,015 |
| Lisinopril | Generic | 366 | 89 | $3,834 |
Hospital affiliations
Frequently asked questions
What is Dr. Riad Hajjar's medical specialty?
Dr. Riad Hajjar practices Internal Medicine Physician in Port Huron, MI.
Where does Dr. Riad Hajjar practice?
Dr. Riad Hajjar practices at 1201 Stone St, Port Huron, MI 480603563. Office phone: 8109669556.
What is Dr. Riad Hajjar's NPI?
Dr. Riad Hajjar's National Provider Identifier (NPI) is 1538153176, issued by NPPES.
Does Dr. Riad Hajjar accept Medicare assignment?
Yes. Dr. Riad Hajjar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Riad Hajjar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.