NPPES file of Aug 9, 2026

Katherine Novak Parker, MD

Diagnostic Radiology Physician · Denver, CO

Katherine Novak Parker, MD is a diagnostic radiology physician with a practice address in Denver, Colorado, and NPI 1396806451, issued on Dec 13, 2006. Check the license (Colorado 54888, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396806451
Name
Katherine Novak Parker
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
54888 CO
236671 NY
Self-reported in NPPES; status is on the state search
Practice location
1400 Jackson St, Denver, CO 80206
Phone
(303) 388-4461
Enumerated
Dec 13, 2006
Record last updated
May 2, 2025
Fax
(303) 270-2206
Medicaid IDs
03407268 CO
1396806451 CO
Medicare enrollment
Enrolled (PECOS I20070706000553); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 2001
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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8 nearest diagnostic radiology physician records → All 796 in Colorado → Look up another NPI →

Also registered at 1400 Jackson St

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

  1. Ronya Ajeel, APN-CRNACertified Registered Nurse Anesthetist1184279044
  2. Akrum Al-Zubaidi, D.O.Pulmonary Disease Physician1649426222
  3. Rafeul Alam, MDAllergy & Immunology Physician1790730687
  4. Jon Allison, PACMedical Physician Assistant1609812668
  5. Vivianne Allsop, MDRheumatology Physician1215499603
  6. Mark Aloia, MDPsychiatry Physician1295842607

Verify Katherine Novak Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 54888    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

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 3 group practices

  1. Kings Physician Services PCBrooklyn, NY
  2. Weill Cornell Imaging AT New York PresbyterianNew York, NY
  3. Weill Medical College OF CornellNew York, NY

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

Katherine Novak Parker among 796 diagnostic radiology physician records in Colorado

Katherine Novak Parker, MD is one of 796 diagnostic radiology physician records with a practice address in Colorado. 75% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2001 · median 2006 among the 562 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Colorado

There are 796 diagnostic radiology physician records in Colorado.

All 796 in Colorado → Every provider in Denver → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Debra Dyer, M.D.Denver, CO 802061124111810
  2. Valerie Hale, MDDenver, CO 802061205917853
  3. David Hoff, M.D.Denver, CO 802061699797779
  4. Seth Kligerman, MDDenver, CO 802061386790053
  5. Tilman Koelsch, MDDenver, CO 802061477780351
  6. David Lynch, MDDenver, CO 802061750452629
  7. James Piko, DODenver, CO 802061619937513
  8. Matthew Stephens, M.D.Denver, CO 802061508098948

Common questions

What is Katherine Novak Parker, MD's NPI number?

Katherine Novak Parker, MD's National Provider Identifier (NPI) is 1396806451, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Novak Parker, MD located?

The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 388-4461. Providers update this record themselves, so call before visiting.

How can I verify Katherine Novak Parker, MD's license?

NPPES lists Colorado license number 54888, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.