Katarzyna Kozak Crabtree, MD
Hospitalist Physician · Denver, CO
Katarzyna Kozak Crabtree, MD is a hospitalist physician with a practice address in Denver, Colorado, and NPI 1891946604, issued on Oct 10, 2008. Check the license (Colorado 47764, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katarzyna Kozak Crabtree
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 47764 CO
DR-47764 CO
Self-reported in NPPES; status is on the state search - Practice location
- 835 E 18TH Ave Ste 110, Denver, CO 80218
- Phone
- (303) 825-4646
- Enumerated
- Oct 10, 2008
- Record last updated
- Aug 9, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (303) 825-3215
- Medicaid ID
- 45271267 CO
- Medicare enrollment
- Enrolled (PECOS I20090724000442); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Aurora, 2006
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 806 in Colorado → Look up another NPI →
Also registered at 835 E 18TH Ave Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Abela, D.O.Hospitalist Physician1902194152
- Stephanie Amend, MDHospitalist Physician1427195791
- John Archard, M.D.Hospitalist Physician1245367812
- Michelle Barron, M.D.Hospitalist Physician1861768681
- Yvonne Bodemann, DOInternal Medicine Physician1447665575
- Jeffrey Bontrager, M.D.Pediatric Emergency Medicine (Pediatrics) Physician1508061680
Verify Katarzyna Kozak Crabtree in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 47764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Intermountain Medical Group Denver LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katarzyna Kozak Crabtree among 806 hospitalist physician records in Colorado
Katarzyna Kozak Crabtree, MD is one of 806 hospitalist physician records with a practice address in Colorado. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 29% of them.
- NPI issued2008 · 29% of these records are older, 66% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · median 2012 among the 622 with a school on file
- Record last updated2018 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Colorado
There are 806 hospitalist physician records in Colorado.
All 806 in Colorado → Every provider in Denver → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Diogo Bauleth, MDDenver, CO 802181265404685
- Rosalie Chang, MDDenver, CO 802181417929738
- Christy Chaudhuri, MDDenver, CO 802181669414165
- Hunaif Dar, MDDenver, CO 802181598790610
- Ramesh Devanesan, MDDenver, CO 802181124039805
- Michelle Klaus, MDDenver, CO 802181114080389
- Julie McClanahan, MDDenver, CO 802181568419794
- Aram Neuschatz, MDDenver, CO 802181811969199
Common questions
What is Katarzyna Kozak Crabtree, MD's NPI number?
Katarzyna Kozak Crabtree, MD's National Provider Identifier (NPI) is 1891946604, issued on Oct 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Katarzyna Kozak Crabtree, MD located?
The NPPES record lists a practice address at 835 E 18TH Ave Ste 110, Denver, CO, 80218. Phone: (303) 825-4646. Providers update this record themselves, so call before visiting.
How can I verify Katarzyna Kozak Crabtree, MD's license?
NPPES lists Colorado license number 47764, 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.
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.