Doctor profile · Federal record
Dr. Lourin Chahin, MD
Internal Medicine Physician (CMS: Internal Medicine) · Macomb, MI
- NPI 1902816333
- Accepts Medicare
- MIPS 98.1 / 100 · 2023
- 27 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
46857 Garfield RD
Macomb, MI 480445225
(586) 532-8500
fax (586) 532-1515
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #LC079583
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902816333. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,313
Distinct HCPCS
10
Medicare allowed
$228,386
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 996 | 258 | $82 | |
99238 |
Hospital discharge day management, 30 minutes or less | 271 | 223 | $83 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 216 | 181 | $180 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 202 | 175 | $135 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 113 | 80 | $131 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 110 | 57 | $51 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 94 | 62 | $123 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 87 | 87 | $133 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 78 | 78 | $19 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 43 | 41 | $91 |
In context: peer comparison
Among 3 peers in Macomb Internal Medicine Physician, average services per provider: 101. This provider delivers 23× the peer median.Open Payments
Industry payments received
All-time total
$321
Transactions
9
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 2 | $184.13 | |
| Novartis Pharmaceuticals Corporation | 1 | $30.00 | |
| Mylan Specialty L.P. | 1 | $20.53 | |
| Exact Sciences Corporation | 1 | $19.33 | |
| Lilly USA, LLC | 1 | $17.86 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 1 | $17.00 | |
| GlaxoSmithKline, LLC. | 1 | $16.51 | |
| Abiomed | 1 | $15.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,459
Patients
843
Total drug cost
$149,292
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 420 | 129 | $6,219 |
| Omeprazole | Generic | 257 | 92 | $4,627 |
| Amlodipine Besylate | Generic | 230 | 75 | $2,784 |
| Levothyroxine Sodium | Generic | 227 | 59 | $3,930 |
| Losartan Potassium | Generic | 215 | 69 | $3,149 |
| Metoprolol Succinate | Generic | 176 | 62 | $3,886 |
| Metformin Hcl | Generic | 146 | 40 | $1,922 |
| Furosemide | Generic | 121 | 54 | $535 |
| Eliquis (Apixaban) | Brand | 114 | 44 | $116,748 |
| Lisinopril | Generic | 103 | 31 | $1,129 |
Hospital affiliations
Frequently asked questions
What is Dr. Lourin Chahin's medical specialty?
Dr. Lourin Chahin practices Internal Medicine Physician in Macomb, MI.
Where does Dr. Lourin Chahin practice?
Dr. Lourin Chahin practices at 46857 Garfield RD, Macomb, MI 480445225. Office phone: 5865328500.
What is Dr. Lourin Chahin's NPI?
Dr. Lourin Chahin's National Provider Identifier (NPI) is 1902816333, issued by NPPES.
Does Dr. Lourin Chahin accept Medicare assignment?
Yes. Dr. Lourin Chahin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lourin Chahin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.