Karrin Borchard Mezarina, MD
Pediatrics Physician · Louisville, CO
Karrin Borchard Mezarina, MD is a pediatrics physician with a practice address in Louisville, Colorado, and NPI 1568566974, issued on Sep 8, 2006. Check the license (Colorado 42452, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karrin Borchard Mezarina
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 42452 CO
Self-reported in NPPES; status is on the state search - Practice location
- 90 Health Park Dr, Louisville, CO 80027
- Phone
- (303) 673-9030
- Enumerated
- Sep 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (303) 604-1095
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,155 in Colorado → Look up another NPI →
Also registered at 90 Health Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brad Anderson, MDFamily Medicine Physician1558362657
- Robert Bucknam, MDPediatrics Physician1730265943
- Shoban Dave, MDAllergy & Immunology Physician1558377317
- Jennifer GrinnellSurgical Technologist1558521575
- Mary Lansing, M.D.Retina Specialist (Ophthalmology) Physician1528059573
- David Miller, MDPediatrics Physician1447354774
Verify Karrin Borchard Mezarina in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 42452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $122.03
6 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karrin Borchard Mezarina among 1,155 pediatrics physician records in Colorado
Karrin Borchard Mezarina, MD is one of 1,155 pediatrics physician records with a practice address in Colorado. 27% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 pediatrics physician records list a practice address in Louisville
They are 17 of the 785 NPPES records with a practice address in Louisville, and 1,155 pediatrics physician records in Colorado.
All 1,155 in Colorado → Every provider in Louisville → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Robert Bucknam, MDLouisville, CO 800271730265943
- Cheryl Cavanaugh, MDLouisville, CO 800271508840257
- Maureen Dickerson, M.D.Louisville, CO 800271801870563
- Melissa Greenfield Serlen, M.D.Louisville, CO 800271730164401
- Heather Hunter, M.D.Superior, CO 800271942314455
- Jon-Paul Jordan, MDLouisville, CO 800271134100464
- David Miller, MDLouisville, CO 800271447354774
- Debra Rolfson, M.D.Louisville, CO 800271427039007
Common questions
What is Karrin Borchard Mezarina, MD's NPI number?
Karrin Borchard Mezarina, MD's National Provider Identifier (NPI) is 1568566974, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karrin Borchard Mezarina, MD located?
The NPPES record lists a practice address at 90 Health Park Dr, Louisville, CO, 80027. Phone: (303) 673-9030. Providers update this record themselves, so call before visiting.
How can I verify Karrin Borchard Mezarina, MD's license?
NPPES lists Colorado license number 42452, 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.