Doctor profile · Federal record
Dr. Michael Hammer, DO
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Columbia, SC
- NPI 1588784250
- Accepts Medicare
- MIPS 95.3 / 100 · 2023
- 19 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
Sc House Calls INC., 111 Doctors Cir
Columbia, SC 29203
(800) 491-0909 - Additional location
-
101 E Wood St Ste 401
Spartanburg, SC 293033040
(864) 560-6654
fax (864) 560-7353 - Additional location
-
129 N Washington St
Sumter, SC 291504949
(803) 774-9680 - Additional location
-
624 Ellis St
Augusta, GA 309011434 - Mailing address
-
111 Doctor Cir
Columbia, SC 292036502
Show 1 more location
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- October 21, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- South Carolina #1096 · Georgia #67152
- Medicaid (2)
- SC #010963 · NC #5922415
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588784250. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
658
Distinct HCPCS
4
Medicare allowed
$70,331
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 253 | 111 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 186 | 93 | $114 | |
99239 |
Hospital discharge day management, more than 30 minutes | 111 | 101 | $109 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 108 | 102 | $165 |
In context: peer comparison
Among 57 peers in Columbia Internal Medicine Physician, average services per provider: 697. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $17.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
51
Patients
37
Total drug cost
$1,360
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 15 | 13 | $26 |
| Amlodipine Besylate | Generic | 12 | 12 | $39 |
| Losartan Potassium | Generic | 12 | 0 | $78 |
| Naloxone Hcl | Generic | 12 | 12 | $1,217 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Hammer's medical specialty?
Dr. Michael Hammer practices Internal Medicine Physician in Columbia, SC.
Where does Dr. Michael Hammer practice?
Dr. Michael Hammer practices at Sc House Calls INC., Columbia, SC 29203. Office phone: 8004910909.
What is Dr. Michael Hammer's NPI?
Dr. Michael Hammer's National Provider Identifier (NPI) is 1588784250, issued by NPPES.
Does Dr. Michael Hammer accept Medicare assignment?
Yes. Dr. Michael Hammer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Hammer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.