DR. AHREN CHARLES RITTERSHAUS M.D.
NPI 1598842239
Pathology - Anatomic Pathology & Clinical Pathology in Raleigh, NC

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
3000 NEW BERN AVE, RALEIGH, NC 27610(919) 350-8000 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 6, 2021, Jan 9, 2019 (2 updates tracked since 2019).

About Dr. Ahren Charles Rittershaus M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AHREN CHARLES RITTERSHAUS M.D. (NPI 1598842239) is an individual anatomic pathology & clinical pathology provider in Raleigh, North Carolina, licensed in North Carolina (2011-00611) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Central Carolina Hospital, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1598842239
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. AHREN CHARLES RITTERSHAUSCredential: M.D.
Location Address3000 NEW BERN AVERaleigh, NC 27610-1231
Mailing AddressPo Box 14045Raleigh, NC 27620-4045 · (919) 350-8260
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateNovember 1, 2006
Last NPPES UpdateApril 6, 20212 updates tracked since enumeration
NPPES CertifiedApril 6, 2021
NPI 1598842239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in NC · 2011-00611
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
3000 NEW BERN AVE, Raleigh, NC 27610

Other Identifiers 2

MedicaidPENDINGNC
Other1598842239NC · Bcbs Of Nc

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ahren Charles Rittershaus M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476603267
PECOS Enrollment IDI20110630000358
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
515 services256 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
184 services47 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
87 services75 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
81 services47 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
80 services62 patients
Cell examination of specimen, selective cellular enhancement technique 88112
Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.
64 services47 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Central Carolina Hospital

Acute Care Hospitals · Sanford, NC
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340020
Location1135 Carthage StSanford, NC 27330 · Lee County
Emergency services Birthing friendly

Duke University Hospital

Acute Care Hospitals · Durham, NC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number340030
Location2100 Erwin RdDurham, NC 27705 · Durham County
Emergency services Birthing friendly

Wakemed, Raleigh Campus

Acute Care Hospitals · Raleigh, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340069
Location3000 New Bern AveRaleigh, NC 27610 · Wake County
Emergency services Birthing friendly

Maria Parham Medical Center

Acute Care Hospitals · Henderson, NC
2/5 CMS rating
OwnershipProprietary
CMS Certification Number340132
LocationPO Box 59Henderson, NC 27536 · Vance County
Emergency services Birthing friendly

Wakemed, Cary Hospital

Acute Care Hospitals · Cary, NC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340173
Location1900 Kildare Farm RoadCary, NC 27518 · Wake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27610 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospitalist
3000 NEW BERN AVE
RALEIGH, NC 27610
Social Worker (Clinical)
3000 NEW BERN AVE
RALEIGH, NC 27610
Social Worker (Clinical)
3000 NEW BERN AVE
RALEIGH, NC 27610
Nurse Practitioner (Family)
3000 NEW BERN AVE
RALEIGH, NC 27610
Physician Assistant (Medical)
3000 NEW BERN AVE
RALEIGH, NC 27610
Internal Medicine
3000 NEW BERN AVE
RALEIGH, NC 27610
Speech-Language Pathologist
3000 NEW BERN AVE
RALEIGH, NC 27610
Occupational Therapist
3000 NEW BERN AVE
RALEIGH, NC 27610

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ahren Rittershaus's NPI number?

The NPI number for Ahren Rittershaus is 1598842239. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Ahren Rittershaus located?

Ahren Rittershaus practices at 3000 New Bern Ave, Raleigh, NC 27610. The listed phone number is (919) 350-8000.

What is Ahren Rittershaus's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Ahren Rittershaus enrolled in Medicare?

Yes. Ahren Rittershaus is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ahren Rittershaus accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina and Ambetter of Tennessee list Ahren Rittershaus as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ahren Rittershaus affiliated with any hospitals?

According to CMS data, Ahren Rittershaus is affiliated with Central Carolina Hospital, Duke University Hospital, Wakemed, Raleigh Campus, Maria Parham Medical Center and Wakemed, Cary Hospital.

When was this NPI record last updated?

The NPPES record for Ahren Rittershaus was last updated on April 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.