NPPES file of Aug 9, 2026

Ahren Charles Rittershaus, M.D.

Anatomic Pathology & Clinical Pathology Physician · Raleigh, NC

Ahren Charles Rittershaus, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Raleigh, North Carolina, and NPI 1598842239, issued on Nov 1, 2006. Check the license (North Carolina 2011-00611, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598842239
Name
Ahren Charles Rittershaus
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
2011-00611 NC
Self-reported in NPPES; status is on the state search
Practice location
3000 New Bern Ave, Raleigh, NC 27610
Phone
(919) 350-8000
Enumerated
Nov 1, 2006
Record last updated
Apr 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
PENDING NC
Medicare enrollment
Enrolled (PECOS I20110630000358); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3000 New Bern Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Francis Abdou, MDAnesthesiology Physician1427150366
  2. Oluyemisi Abdulsalam, MDEndocrinology, Diabetes & Metabolism Physician1932199809
  3. Melissa AbshireCertified Registered Nurse Anesthetist1205153632
  4. Yousef Abumostafa, M.D.Hospitalist Physician1356622393
  5. Peter Acheampong, MDInternal Medicine Physician1336428580
  6. Amer Adam, M.D.Hospitalist Physician1528077708

Verify Ahren Charles Rittershaus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2011-00611
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Raleigh Pathology Laboratory Associates PARaleigh, NC
  2. Wake Medical Laboratory Consultants IncRaleigh, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ahren Charles Rittershaus among 432 anatomic pathology & clinical pathology physician records in North Carolina

Ahren Charles Rittershaus, M.D. is one of 432 anatomic pathology & clinical pathology physician records with a practice address in North Carolina. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 49% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2005 · median 2001 among the 242 with a school on file
  • Record last updated2021 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in North Carolina

There are 432 anatomic pathology & clinical pathology physician records in North Carolina.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Sandra Clark, M.D.Raleigh, NC 276101558310201
  2. George Clarke, M.D.Raleigh, NC 276101811943012
  3. Dana Copeland, M.D.Raleigh, NC 276101295767820
  4. Michael Huening, M.D., PH.D.Raleigh, NC 276101134313406
  5. Ryan Johnson, M.D.Raleigh, NC 276101023335072
  6. Shrinivas Rajagopalan, M.D.Raleigh, NC 276101578518940
  7. Dawson Scarborough, M.D.Raleigh, NC 276101265487953
  8. Christine Sillings, M.D.Raleigh, NC 276101366628497

Common questions

What is Ahren Charles Rittershaus, M.D.'s NPI number?

Ahren Charles Rittershaus, M.D.'s National Provider Identifier (NPI) is 1598842239, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ahren Charles Rittershaus, M.D. located?

The NPPES record lists a practice address at 3000 New Bern Ave, Raleigh, NC, 27610. Phone: (919) 350-8000. Providers update this record themselves, so call before visiting.

How can I verify Ahren Charles Rittershaus, M.D.'s license?

NPPES lists North Carolina license number 2011-00611, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.