DR. JACOB AARON FOX MD, MPH
NPI 1982231494
Internal Medicine - Critical Care Medicine in Aurora, CO
About Dr. Jacob Aaron Fox Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACOB AARON FOX MD, MPH (NPI 1982231494) is an individual critical care medicine provider in Aurora, Colorado, licensed in Colorado (DR.0071026) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of University Of Colorado School Of Medicine, Aurora (2020).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jacob Aaron Fox Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Jacob Fox reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Lakewood, CO 80228
- Reassigned Medicare billing, Colorado enrollment
- 67 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jacob Fox's NPI number?
The NPI number for Jacob Fox is 1982231494. It was assigned to this individual provider in the NPPES registry on March 25, 2020.
Where is Jacob Fox located?
Jacob Fox practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Jacob Fox's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jacob Fox enrolled in Medicare?
Yes. Jacob Fox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jacob Fox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Fox reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and Critical Care Pulmonary And Sleep Associates Professional LLP (Lakewood, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jacob Fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jacob Fox was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jacob Aaron Fox, MD, MPH · NPI 1982231494
Critical Care Medicine physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since March 25, 2020.
## Identity
- **NPI:** 1982231494 (Entity type: Individual)
- **Enumerated:** March 25, 2020
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** DR.0071026 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 12605 E 16TH AVE, Aurora, CO 80045-2520
- **Phone:** (720) 848-0000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Physicians Incorporated (NPI 1962461889, Aurora, CO); Critical Care Pulmonary And Sleep Associates Professional LLP (NPI 1437100039, Lakewood, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Aurora, class of 2020
## Record status
- **NPPES last updated:** June 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1982231494) · Data from the CMS NPPES public registry.