NPPES file of Aug 9, 2026

Caroline Stephens Merrill, MD

Family Medicine Physician · Westminster, CO

Caroline Stephens Merrill, MD is a family medicine physician with a practice address in Westminster, Colorado, and NPI 1417440140, issued on Jun 7, 2018. Check the license (Colorado DR.0065623, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417440140
Name
Caroline Stephens Merrill
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DR.0065623 CO
Self-reported in NPPES; status is on the state search
Practice location
14300 Orchard Pkwy, Westminster, CO 80023
Phone
(303) 430-5560
Enumerated
Jun 7, 2018
Record last updated
Jun 11, 2025
Fax
(303) 430-5565
Medicaid ID
9000191993 CO
Medicare enrollment
Enrolled (PECOS I20210426002699); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2018
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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Also registered at 14300 Orchard Pkwy

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

  1. Rachel Baca, MDFamily Medicine Physician1568108967
  2. Severn Barloco, M.D.Surgery Physician1164515847
  3. Halley Berry, PHARMDPharmacist1154880888
  4. James BowieFamily Medicine Physician1720581523
  5. Sara Brady, WHNPWomen's Health Nurse Practitioner1881119980
  6. Emily BressanFamily Medicine Physician1992266480

Verify Caroline Stephens Merrill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0065623
    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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73% fewer Medicare Part D claims than the average family medicine physician in 2024

949 Medicare Part D claims for 130 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Caroline Merrill949
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium100 claims
  2. Atorvastatin Calcium73 claims
  3. Losartan Potassium47 claims
  4. Lisinopril38 claims
  5. Omeprazole34 claims
  6. Metformin Hcl29 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): 88.2 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.

  1. Qualityout of 100 · 30% of the final score89.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%81.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Catholic Health Initiatives ColoradoWestminster, CO

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

Caroline Stephens Merrill among 3,563 family medicine physician records in Colorado

Caroline Stephens Merrill, MD 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 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2018 · median 2008 among the 2,077 with a school on file
  • Record last updated2025 · 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).

192 family medicine physician records list a practice address in Westminster

They are 192 of the 2,492 NPPES records with a practice address in Westminster, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Burchinal, DOBroomfield, CO 800231659401420
  2. Elena Chertkova, MDWestminster, CO 800231356445605
  3. Stephen Cobb, MDThornton, CO 800231194771899
  4. Sara Diaz, DOWestminster, CO 800231417111899
  5. Mary Dion, M.D.Westminster, CO 800231881911808
  6. Ryan Flint, DOWestminster, CO 800231730226010
  7. Trevor Harrington, D.O.Westminster, CO 800231558773986
  8. Eric Keahey, M.D.Westminster, CO 800231265610141

Common questions

What is Caroline Stephens Merrill, MD's NPI number?

Caroline Stephens Merrill, MD's National Provider Identifier (NPI) is 1417440140, issued on Jun 7, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Caroline Stephens Merrill, MD located?

The NPPES record lists a practice address at 14300 Orchard Pkwy, Westminster, CO, 80023. Phone: (303) 430-5560. Providers update this record themselves, so call before visiting.

How can I verify Caroline Stephens Merrill, MD's license?

NPPES lists Colorado license number DR.0065623, 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 Caroline Stephens Merrill, MD prescribe under Medicare Part D?

In 2024, Caroline Stephens Merrill, MD had 949 Medicare Part D claims for 130 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Caroline Stephens Merrill, MD's MIPS final score?

The 2023 MIPS final score is 88.2 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.