Doctor profile · Federal record
Dr. Karl Gruber, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · N Charleston, SC
- NPI 1619944758
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9330 Medical Plaza Dr
N Charleston, SC 294069104
(843) 797-4179
fax (843) 797-4296 - Mailing address
-
Po Box 49009
Greenwood, SC 296490001
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- January 17, 2008
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- South Carolina #17430
- Medicaid
- SC #174305
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619944758. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
988
Distinct HCPCS
8
Medicare allowed
$34,786
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 600 | 347 | $36 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 170 | 100 | $26 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 67 | 16 | $27 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 39 | 28 | $73 | |
88173 |
Evaluation of fine needle aspirate with interpretation and report | 35 | 23 | $66 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 30 | 29 | $11 | |
88104 |
Cell examination of body fluid, smears | 24 | 20 | $26 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 23 | 21 | $34 |
In context: peer comparison
Among 2 peers in N Charleston Anatomic Pathology & Clinical Pathology Physician, average services per provider: 1,829. This provider delivers 0.5× the peer median.Frequently asked questions
What is Dr. Karl Gruber's medical specialty?
Dr. Karl Gruber practices Anatomic Pathology & Clinical Pathology Physician in N Charleston, SC.
Where does Dr. Karl Gruber practice?
Dr. Karl Gruber practices at 9330 Medical Plaza Dr, N Charleston, SC 294069104. Office phone: 8437974179.
What is Dr. Karl Gruber's NPI?
Dr. Karl Gruber's National Provider Identifier (NPI) is 1619944758, issued by NPPES.
Does Dr. Karl Gruber accept Medicare assignment?
Yes. Dr. Karl Gruber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Gruber commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to identify organisms including interpretation and report (HCPCS 88312); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.