NPPES file of Aug 9, 2026

William A. Ahrens, MD

Anatomic Pathology & Clinical Pathology Physician · Charlotte, NC

William A. Ahrens, MD is an anatomic pathology & clinical pathology physician with a practice address in Charlotte, North Carolina, and NPI 1548278252, issued on Aug 4, 2006. Check the license (North Carolina 200701407, 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548278252
Name
William A. Ahrens
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License numbers
200701407 NC
30476 SC
Self-reported in NPPES; status is on the state search
Practice location
1000 Blythe Blvd, Charlotte, NC 28203
Phone
(704) 355-2251
Enumerated
Aug 4, 2006
Record last updated
Nov 18, 2024
Medicaid IDs
5907776 NC
N01407 SC
Medicare enrollment
Enrolled (PECOS I20070910000869); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1999
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 1000 Blythe Blvd

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

  1. Alison Aadahl, DMDStudent in an Organized Health Care Education/Training Program1154062420
  2. Elizabeth AbernathyHospitalist Physician1871518910
  3. Hamdi Abu Ali, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1760718746
  4. Kelly Acevedo, RN, MSN, GNPGerontology Nurse Practitioner1497886956
  5. Ngehbehgnui Achu, CRNACertified Registered Nurse Anesthetist1427415595
  6. Satish Adawadkar, MDAnesthesiology Physician1437366754

Verify William A. Ahrens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 200701407
    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

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The MIPS final score for 2023 (Medicare payment program): 95.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Carolinas Pathology Group PACharlotte, NC

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

William A. Ahrens among 432 anatomic pathology & clinical pathology physician records in North Carolina

William A. Ahrens, MD 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
  • Graduated1999 · median 2001 among the 242 with a school on file
  • Record last updated2024 · 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. William Ballinger, M.D.Charlotte, NC 282031194726356
  2. Benjamin Calhoun, M.DCharlotte, NC 282031578564076
  3. Wayne Christensen, M.D.Charlotte, NC 282031639170897
  4. James Dollar, M.D.Charlotte, NC 282031093716599
  5. Keith Kaplan, M.D.Charlotte, NC 282031548201825
  6. Shixiong Liao, M.D.Charlotte, NC 282031285698829
  7. Edward Lipford, M.D.Charlotte, NC 282031538160031
  8. Chad Livasy, MDCharlotte, NC 282031669569448

Common questions

What is William A. Ahrens, MD's NPI number?

William A. Ahrens, MD's National Provider Identifier (NPI) is 1548278252, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William A. Ahrens, MD located?

The NPPES record lists a practice address at 1000 Blythe Blvd, Charlotte, NC, 28203. Phone: (704) 355-2251. Providers update this record themselves, so call before visiting.

How can I verify William A. Ahrens, MD's license?

NPPES lists North Carolina license number 200701407, 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.

What is William A. Ahrens, MD's MIPS final score?

The 2023 MIPS final score is 95.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.