NPPES file of Aug 9, 2026

Gregory Raphael Kotnis, MD

Anatomic Pathology & Clinical Pathology Physician · Denver, CO

Gregory Raphael Kotnis, MD is an anatomic pathology & clinical pathology physician with a practice address in Denver, Colorado, and NPI 1740336429, issued on Jan 26, 2007. Check the license (Colorado DR.0050096, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740336429
Name
Gregory Raphael Kotnis
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License numbers
DR.0050096 CO
0101252050 VA
Self-reported in NPPES; status is on the state search
Practice location
6116 E Warren Ave, Denver, CO 80222
Phone
(303) 512-2299
Enumerated
Jan 26, 2007
Record last updated
Sep 24, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid IDs
PENDING VA
99158752 CO
Medicare enrollment
Enrolled (PECOS I20240301001896); 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 6116 E Warren Ave

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

  1. Mitchell Bitter, MDAnatomic Pathology & Clinical Pathology Physician1396713160
  2. John Brooke, MDAnatomic Pathology & Clinical Pathology Physician1598733933
  3. Amobi Ezenekwe, M.D.Anatomic Pathology & Clinical Pathology Physician1396842787
  4. Diane Heasley, DOAnatomic Pathology & Clinical Pathology Physician1073582672
  5. Willard Hodges, MDAnatomic Pathology & Clinical Pathology Physician1063481216
  6. Michael Hull, MDAnatomic Pathology & Clinical Pathology Physician1457484925

Verify Gregory Raphael Kotnis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0050096
    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 Colorado license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 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 score75.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Industry payments in 2024: $54.63

2 payments; by number, the most common kind was food and beverage; the largest payer was Adaptive Biotechnologies Corporation. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Kotnis$54.63
  2. Specialty average$3,565.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Eastern Great Lakes Pathology PCBuffalo, NY

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

Gregory Raphael Kotnis among 258 anatomic pathology & clinical pathology physician records in Colorado

Gregory Raphael Kotnis, MD is one of 258 anatomic pathology & clinical pathology physician records with a practice address in Colorado. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 36% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2006 · median 2008 among the 130 with a school on file
  • Record last updated2015 · 72% 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 Colorado 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 Colorado

There are 258 anatomic pathology & clinical pathology physician records in Colorado.

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

  1. Mitchell Bitter, MDDenver, CO 802221396713160
  2. John Brooke, MDDenver, CO 802221598733933
  3. Diane Heasley, DODenver, CO 802221073582672
  4. Willard Hodges, MDDenver, CO 802221063481216
  5. Sharon Kelly, DODenver, CO 802221184692444
  6. Walter Madsen, MDDenver, CO 802221417925736
  7. Thomas Merrick, MDDenver, CO 802221043289135
  8. Karim Sirgi, MDDenver, CO 802221588632871

Common questions

What is Gregory Raphael Kotnis, MD's NPI number?

Gregory Raphael Kotnis, MD's National Provider Identifier (NPI) is 1740336429, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Raphael Kotnis, MD located?

The NPPES record lists a practice address at 6116 E Warren Ave, Denver, CO, 80222. Phone: (303) 512-2299. Providers update this record themselves, so call before visiting.

How can I verify Gregory Raphael Kotnis, MD's license?

NPPES lists Colorado license number DR.0050096, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Gregory Raphael Kotnis, MD's MIPS final score?

The 2023 MIPS final score is 80.2 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.