CHRISTOPHER R FOX (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1083696843
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,996 INTERNAL MEDICINE in CO
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Provider Addresses for CHRISTOPHER R FOX (M.D.)
892, West South Boulder Road, Louisville, Boulder County, Colorado, 80027, United States
LOUISVILLE, CO 800272453
Phone: (303) 586-5200
Fax: (303) 586-5201
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $64.
Total Amount is formed as General ($64) + Research ($0) + Ownership ($0) = $64.
Last reported payment date: 2024-09-30 • Largest payer in this snapshot: Xeris Pharmaceuticals, Inc. ($47).
Total Amount
$64
General + Research + Ownership
Payments
3
Total payment records
General Amount
$64
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Xeris Pharmaceuticals, Inc. | $47 |
| SANOFI-AVENTIS U.S. LLC | $18 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-02-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090204000491 | I | Internal Medicine | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99458 | Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 1,069 | 78 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 644 | 78 | $0 |
| 99454 | Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 475 | 73 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 445 | 275 | $0 |
| 76536 | Ultrasound scan of head and neck soft tissue | 74 | 72 | $0 |
Insurance plans in this area (ZIP 80027)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | CO | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 19 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CO |
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