NPPES file of Aug 9, 2026

Karna Del Colby, M.D.

Anatomic Pathology & Clinical Pathology Physician · Marion, IL

Karna Del Colby, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Marion, Illinois, and NPI 1407047913, issued on Aug 8, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; 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
1407047913
Name
Karna Del Colby
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
10907 ND
Self-reported in NPPES; status is on the state search
Practice location
3333 W Deyoung St, Marion, IL 62959
Phone
(210) 617-4445
Enumerated
Aug 8, 2007
Record last updated
Nov 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
14879 ND
Medicare enrollment
Enrolled (PECOS I20221223001235); 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 3333 W Deyoung St

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

  1. Ghanem Abusbeih, MDEmergency Medicine Physician1528026705
  2. Zaid Al-Dahabrah, MDNephrology Physician1174194039
  3. Russell Arendt, CRNACertified Registered Nurse Anesthetist1538774898
  4. Kendall Barnes, PA-CPhysician Assistant1306460902
  5. Katie Barnett, M.D.Anesthesiology Physician1043620248
  6. Amy Blandford, APRNFamily Nurse Practitioner1598240145

Verify Karna Del Colby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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 Illinois license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score86.4
  2. Costout of 100 · 30%67.7
  3. Promoting interoperabilityout of 100 · 25%96.0
  4. Improvement activities40 of 40 points · 15%100.0

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

One hospital affiliation

  1. Prairie Ridge Hospital And Health ServicesEvansville, MN · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Illinois

There are 789 anatomic pathology & clinical pathology physician records in Illinois.

Other anatomic pathology & clinical pathology physician records in Illinois

  1. Amer Abboud, MDBerwyn, IL1154348696
  2. Elham Abboud, MDChicago, IL1164409447
  3. Shahad Abdulameer, M.D.Maywood, IL1174905814
  4. John Abran, MDChicago Heights, IL1942293832
  5. Schuharazad AbroMaywood, IL1376078816
  6. Julia AdamsPeoria, IL1780819037
  7. Moses Adeyanju, M.D.Carbondale, IL1306820121
  8. Brian Adley, MDChicago, IL1932151966
  9. Ven Aduana, M.D.Geneva, IL1699757369
  10. Amar AgadiElgin, IL1407015415

Common questions

What is Karna Del Colby, M.D.'s NPI number?

Karna Del Colby, M.D.'s National Provider Identifier (NPI) is 1407047913, issued on Aug 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karna Del Colby, M.D. located?

The NPPES record lists a practice address at 3333 W Deyoung St, Marion, IL, 62959. Phone: (210) 617-4445. Providers update this record themselves, so call before visiting.

How can I verify Karna Del Colby, M.D.'s license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Karna Del Colby, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. 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.