Doctor profile · Federal record
Dr. Ahren Rittershaus, M.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Raleigh, NC
- NPI 1598842239
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3000 New Bern Ave
Raleigh, NC 276101231
(919) 350-8000 - Mailing address
-
Po Box 14045
Raleigh, NC 276204045
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- April 6, 2021
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- North Carolina #2011-00611
- Medicaid
- NC #PENDING
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598842239. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,098
Distinct HCPCS
10
Medicare allowed
$36,897
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 473 | 251 | $35 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 162 | 38 | $27 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 84 | 50 | $77 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 72 | 56 | $33 | |
88112 |
Cell examination of specimen, selective cellular enhancement technique | 53 | 37 | $26 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 48 | 46 | $11 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 47 | 42 | $35 | |
88300 |
Pathology examination of tissue using a microscope, limited examination | 42 | 41 | $4 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 30 | 23 | $12 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 26 | 13 | $27 |
In context: peer comparison
Among 9 peers in Raleigh Anatomic Pathology & Clinical Pathology Physician, average services per provider: 88. This provider delivers 12× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Ahren Rittershaus's medical specialty?
Dr. Ahren Rittershaus practices Anatomic Pathology & Clinical Pathology Physician in Raleigh, NC.
Where does Dr. Ahren Rittershaus practice?
Dr. Ahren Rittershaus practices at 3000 New Bern Ave, Raleigh, NC 276101231. Office phone: 9193508000.
What is Dr. Ahren Rittershaus's NPI?
Dr. Ahren Rittershaus's National Provider Identifier (NPI) is 1598842239, issued by NPPES.
Does Dr. Ahren Rittershaus accept Medicare assignment?
Yes. Dr. Ahren Rittershaus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ahren Rittershaus commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.