Karin Dejong Vanbaak, M.D.
Family Medicine Physician · Boulder, CO
Karin Dejong Vanbaak, M.D. is a family medicine physician with a practice address in Boulder, Colorado, and NPI 1023375664, issued on Apr 20, 2012. Check the license (Colorado 59604, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karin Dejong Vanbaak
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 59604 CO
59604 MN
Self-reported in NPPES; status is on the state search - Practice location
- 5495 Arapahoe Ave, Boulder, CO 80303
- Phone
- (720) 848-9200
- Enumerated
- Apr 20, 2012
- Record last updated
- Nov 4, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 5495 Arapahoe Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Banks, MDFamily Medicine Physician1093804460
- Mario Beltran, PT, DPT, ATC, OCSPhysical Therapist1225665524
- Frances BurchPharmacist1295356699
- Sarah Curry, MDFamily Medicine Physician1659311959
- Tennyson Gilpatrick, PT,DPTPhysical Therapist1114554110
- Lynn Haley, PSYDClinical Psychologist1336270941
Verify Karin Dejong Vanbaak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 59604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
23 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Karin Dejong Vanbaak among 3,563 family medicine physician records in Colorado
Karin Dejong Vanbaak, M.D. is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
91 family medicine physician records list a practice address in Boulder
They are 91 of the 5,635 NPPES records with a practice address in Boulder, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Boulder → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Heather Banks, MDBoulder, CO 803031093804460
- Eileen Bickford, MDBoulder, CO 803031376529941
- Juliet Carpenter, M.D.Boulder, CO 803031861457939
- Scott Clemensen, MDBoulder, CO 803031104932888
- Sarah Curry, MDBoulder, CO 803031659311959
- David Davis, MDBoulder, CO 803031326175365
- Peter Ewing, M.D.Boulder, CO 803031043275951
- Daniel Hadley, MDBoulder, CO 803031629115977
Common questions
What is Karin Dejong Vanbaak, M.D.'s NPI number?
Karin Dejong Vanbaak, M.D.'s National Provider Identifier (NPI) is 1023375664, issued on Apr 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karin Dejong Vanbaak, M.D. located?
The NPPES record lists a practice address at 5495 Arapahoe Ave, Boulder, CO, 80303. Phone: (720) 848-9200. Providers update this record themselves, so call before visiting.
How can I verify Karin Dejong Vanbaak, M.D.'s license?
NPPES lists Colorado license number 59604, 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.
How much does Karin Dejong Vanbaak, M.D. prescribe under Medicare Part D?
In 2024, Karin Dejong Vanbaak, M.D. had 23 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.