Karin Grace Spears, MD
Obstetrics & Gynecology Physician · Louisville, CO
Karin Grace Spears, MD is an obstetrics & gynecology physician with a practice address in Louisville, Colorado, and NPI 1689621815, issued on May 31, 2006. Check the license (Colorado DR.0032592, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karin Grace Spears
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- DR.0032592 CO
Self-reported in NPPES; status is on the state search - Practice location
- 90 Health Park Dr, Louisville, CO 80027
- Phone
- (303) 439-8910
- Enumerated
- May 31, 2006
- Record last updated
- Oct 9, 2023
- Fax
- (303) 439-9134
- Medicaid ID
- 01025923 CO
- Medicare enrollment
- Enrolled (PECOS I20070523000476); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 906 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.
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- Karrin Mezarina, MDPediatrics Physician1568566974
Verify Karin Grace Spears in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0032592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
79 Medicare Part D claims for 26 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Progesterone16 claims
- Acetazolamide11 claims
- Primidone11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $92.71
5 payments; by number, the most common kind was food and beverage; the largest payer was Sage Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Bills Medicare through one group practice
- Portercare Adventist Health SystemLouisville, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karin Grace Spears among 906 obstetrics & gynecology physician records in Colorado
Karin Grace Spears, MD is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 57% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1991 · median 2008 among the 504 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 obstetrics & gynecology physician records list a practice address in Louisville
They are 12 of the 785 NPPES records with a practice address in Louisville, and 906 obstetrics & gynecology physician records in Colorado.
All 906 in Colorado → Every provider in Louisville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Christine Abair, MDLouisville, CO 800271023212610
- Daniel Austin, M.D.Louisville, CO 800271396729141
- Mary Bissell, MDLouisville, CO 800271811080401
- Carole Christensen, M.D.Louisville, CO 800271851375513
- Alison Cowan, MDLouisville, CO 800271386955417
- Emily Deleon, M.D.Superior, CO 800271508260605
- Long Huynh, MDLouisville, CO 800271508059288
- Marci Kronbach, M.D.Superior, CO 800271932318854
Common questions
What is Karin Grace Spears, MD's NPI number?
Karin Grace Spears, MD's National Provider Identifier (NPI) is 1689621815, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karin Grace Spears, MD located?
The NPPES record lists a practice address at 90 Health Park Dr, Louisville, CO, 80027. Phone: (303) 439-8910. Providers update this record themselves, so call before visiting.
How can I verify Karin Grace Spears, MD's license?
NPPES lists Colorado license number DR.0032592, 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 Grace Spears, MD prescribe under Medicare Part D?
In 2024, Karin Grace Spears, MD had 79 Medicare Part D claims for 26 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Karin Grace Spears, MD's MIPS final score?
The 2023 MIPS final score is 77.2 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.