NPPES file of Aug 9, 2026

Christopher R. Fox, M.D.

Endocrinology, Diabetes & Metabolism Physician · Louisville, CO

Christopher R. Fox, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Louisville, Colorado, and NPI 1083696843, issued on Nov 17, 2005. Check the license (Colorado 41653, 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
1083696843
Name
Christopher R. Fox
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
41653 CO
Self-reported in NPPES; status is on the state search
Practice location
892 W South Boulder RD, Louisville, CO 80027
Phone
(303) 586-5200
Enumerated
Nov 17, 2005
Record last updated
Jul 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(303) 586-5201
Medicaid ID
32072775 CO
Medicare enrollment
Enrolled (PECOS I20090204000491); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 1995
Telehealth
Offers telehealth (CMS)
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 892 W South Boulder RD

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

  1. Kelly Mandagere, M.D.Endocrinology, Diabetes & Metabolism Physician1255492104

Verify Christopher R. Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 41653
    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

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56% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,148 Medicare Part D claims for 211 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Christopher Fox1,148
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium173 claims
  2. Synthroid108 claims
  3. Mounjaro47 claims
  4. Ozempic43 claims
  5. Liothyronine Sodium36 claims
  6. Metformin Hcl30 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 MIPS final score for 2023 (Medicare payment program): 18.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costout of 100 · 30%63.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $64.36

3 payments; by number, the most common kind was food and beverage; the largest payer was Xeris Pharmaceuticals, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Fox$64.36
  2. Specialty average$5,742.15

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

  1. Alpine Center For Diabetes Endocrinology And Metabolism PCSuperior, CO

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

Christopher R. Fox among 149 endocrinology, diabetes & metabolism physician records in Colorado

Christopher R. Fox, M.D. is one of 149 endocrinology, diabetes & metabolism physician records with a practice address in Colorado. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1995 · median 2002 among the 106 with a school on file
  • Record last updated2012 · 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 207RE0101X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Colorado

There are 149 endocrinology, diabetes & metabolism physician records in Colorado.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Kelly Mandagere, M.D.Louisville, CO 800271255492104
  2. Lindsey Rentschler, M.D.Superior, CO 800271235251901
  3. Jill Maaske, MDLafayette, CO 800261336306687
  4. Laura Wolsko, MDLafayette, CO 800261538166707
  5. Robert Rees-Jones, M.D.Aurora, CO 800121982666756
  6. Susan Sherman, MDAurora, CO 800111073579728
  7. Linda Barbour, MDAurora, CO 800451477656312
  8. Heather Brooks, MDAurora, CO 800451184637456

Common questions

What is Christopher R. Fox, M.D.'s NPI number?

Christopher R. Fox, M.D.'s National Provider Identifier (NPI) is 1083696843, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher R. Fox, M.D. located?

The NPPES record lists a practice address at 892 W South Boulder RD, Louisville, CO, 80027. Phone: (303) 586-5200. Providers update this record themselves, so call before visiting.

How can I verify Christopher R. Fox, M.D.'s license?

NPPES lists Colorado license number 41653, 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 Christopher R. Fox, M.D. prescribe under Medicare Part D?

In 2024, Christopher R. Fox, M.D. had 1,148 Medicare Part D claims for 211 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Christopher R. Fox, M.D.'s MIPS final score?

The 2023 MIPS final score is 18.9 of 100. 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.