Doctor profile · Federal record
Dr. Marc Merbaum, M.D.
Internal Medicine Physician · Saint Louis, MO
- NPI 1245204338
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5034 Griffin RD
Saint Louis, MO 631283418
(314) 843-7333
fax (314) 843-9946 - Mailing address
-
Po Box 23340
Saint Louis, MO 631563340
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 13, 2017
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #116179
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245204338. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,375
Distinct HCPCS
10
Medicare allowed
$135,086
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 570 | 238 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 443 | 211 | $123 | |
80053 |
Blood test, comprehensive group of blood chemicals | 289 | 211 | $10 | |
83036 |
Hemoglobin a1c level | 190 | 80 | $9 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 180 | 120 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 177 | 128 | $88 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 168 | 168 | $125 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 161 | 145 | $7 | |
83721 |
Ldl cholesterol level | 150 | 128 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 136 | 130 | $13 |
In context: peer comparison
Among 216 peers in Saint Louis Internal Medicine Physician, average services per provider: 171. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$147
Transactions
7
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 2 | $44.59 | |
| Abbvie INC. | 1 | $33.36 | |
| GlaxoSmithKline, LLC. | 2 | $32.57 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $20.18 | |
| Sumitomo Pharma America, INC. | 1 | $16.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,661
Patients
1,637
Total drug cost
$260,077
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 757 | 213 | $5,455 |
| Lisinopril | Generic | 671 | 188 | $5,597 |
| Atorvastatin Calcium | Generic | 525 | 150 | $7,736 |
| Metoprolol Succinate | Generic | 496 | 137 | $9,660 |
| Levothyroxine Sodium | Generic | 493 | 133 | $9,386 |
| Rosuvastatin Calcium | Generic | 345 | 102 | $6,152 |
| Metformin Hcl | Generic | 337 | 100 | $3,085 |
| Losartan Potassium | Generic | 329 | 93 | $4,366 |
| Simvastatin | Generic | 324 | 89 | $2,638 |
| Hydrochlorothiazide | Generic | 261 | 72 | $1,467 |
Frequently asked questions
What is Dr. Marc Merbaum's medical specialty?
Dr. Marc Merbaum practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Marc Merbaum practice?
Dr. Marc Merbaum practices at 5034 Griffin RD, Saint Louis, MO 631283418. Office phone: 3148437333.
What is Dr. Marc Merbaum's NPI?
Dr. Marc Merbaum's National Provider Identifier (NPI) is 1245204338, issued by NPPES.
What procedures does Dr. Marc Merbaum commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.