JOHN ALEXANDER POWELL M.D.
NPI 1174552558
Internal Medicine in Greenwood Village, CO
About John Alexander Powell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ALEXANDER POWELL M.D. (NPI 1174552558) is an individual internal medicine provider in Greenwood Village, Colorado, licensed in Colorado (DR.0048505) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fort Carson, and is a graduate of Other (1987).
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
John Alexander Powell M.d. 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 John Powell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwood Village, CO 80112
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Summit Medical Consultants Aco Prof LLC
- 89 clinicians in this Medicare group
Greenwood Village, CO 80112
- Reassigned Medicare billing, Colorado enrollment
- 91 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 80112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
GREENWOOD VILLAGE, CO 80112
GREENWOOD VILLAGE, CO 80112
GREENWOOD VILLAGE, CO 80112
GREENWOOD VILLAGE, CO 80112
GREENWOOD VILLAGE, CO 80112
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 John Powell's NPI number?
The NPI number for John Powell is 1174552558. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is John Powell located?
John Powell practices at 9250 E Costilla Ave Ste 540, Greenwood Village, CO 80112. The listed phone number is (720) 644-9355.
What is John Powell's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Powell enrolled in Medicare?
Yes. John Powell 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 John Powell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Powell reassigns Medicare benefits to 2 organizations: Summit Medical Consultants PLLC (Greenwood Village, CO) and Summit Medical Consultants PLLC (Greenwood Village, 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 John Powell'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 John Powell was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.
# John Alexander Powell, M.D. · NPI 1174552558
Internal Medicine physician in Greenwood Village, Colorado. Individual provider, active in the CMS NPPES registry since June 30, 2006.
## Identity
- **NPI:** 1174552558 (Entity type: Individual)
- **Enumerated:** June 30, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** DR.0048505 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 9250 E COSTILLA AVE STE 540, Greenwood Village, CO 80112-3648
- **Phone:** (720) 644-9355
## 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): Summit Medical Consultants PLLC (NPI 1265822910, Greenwood Village, CO); Summit Medical Consultants PLLC (NPI 1265822910, Greenwood Village, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** October 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174552558) · Data from the CMS NPPES public registry.