Doctor profile · Federal record
Dr. Colby Grossman, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Summerville, SC
- NPI 1619952371
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
201 Oakbrook Ln, Suite 255
Summerville, SC 294858215
(843) 695-8464
fax (843) 695-8424 - Mailing address
-
201 Oakbrook Ln Ste 255
Summerville, SC 294857538
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- June 20, 2024
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- South Carolina #12448
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619952371. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,757
Distinct HCPCS
10
Medicare allowed
$293,424
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,200 | 17 | $24 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,134 | 318 | $119 | |
36415 |
Insertion of needle into vein for collection of blood sample | 632 | 275 | $8 | |
17003 |
Destruction of precancer skin growth, 2-14 growths | 322 | 113 | $6 | |
17000 |
Destruction of precancer skin growth, 1 growth | 307 | 154 | $62 | |
81003 |
Automated urinalysis test | 294 | 202 | $2 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 251 | 171 | $53 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 212 | 212 | $120 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 172 | 112 | $84 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 167 | 167 | $33 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 167. This provider delivers 34× the peer median.Open Payments
Industry payments received
All-time total
$735
Transactions
35
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 10 | $203.50 | |
| AstraZeneca Pharmaceuticals LP | 7 | $203.07 | |
| PFIZER INC. | 3 | $65.78 | |
| Tolmar, Inc. | 4 | $59.94 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $54.36 | |
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $51.69 | |
| GlaxoSmithKline, LLC. | 2 | $34.51 | |
| Novartis Pharmaceuticals Corporation | 2 | $28.75 | |
| Corcept Therapeutics | 1 | $18.26 | |
| Mylan Specialty L.P. | 1 | $15.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,630
Patients
873
Total drug cost
$262,986
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 284 | 98 | $1,873 |
| Levothyroxine Sodium | Generic | 270 | 81 | $3,482 |
| Rosuvastatin Calcium | Generic | 253 | 90 | $4,004 |
| Atorvastatin Calcium | Generic | 224 | 81 | $3,220 |
| Irbesartan | Generic | 223 | 70 | $6,808 |
| Omeprazole | Generic | 193 | 75 | $3,866 |
| Hydrochlorothiazide | Generic | 163 | 56 | $871 |
| Potassium Chloride | Generic | 151 | 62 | $6,662 |
| Metoprolol Succinate | Generic | 141 | 41 | $2,123 |
| Ezetimibe | Generic | 140 | 59 | $6,964 |
Hospital affiliations
Frequently asked questions
What is Dr. Colby Grossman's medical specialty?
Dr. Colby Grossman practices Internal Medicine Physician in Summerville, SC.
Where does Dr. Colby Grossman practice?
Dr. Colby Grossman practices at 201 Oakbrook Ln, Summerville, SC 294858215. Office phone: 8436958464.
What is Dr. Colby Grossman's NPI?
Dr. Colby Grossman's National Provider Identifier (NPI) is 1619952371, issued by NPPES.
Does Dr. Colby Grossman accept Medicare assignment?
Yes. Dr. Colby Grossman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colby Grossman commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.