DR. ALISHA PERKINS GARTH M.D.
NPI 1639299225
Emergency Medicine in Denver, CO
About Dr. Alisha Perkins Garth M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALISHA PERKINS GARTH M.D. (NPI 1639299225) is an individual emergency medicine provider in Denver, Colorado, licensed in Colorado (47724) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Alisha Perkins Garth 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 Alisha Garth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80218
- Reassigned Medicare billing, Colorado enrollment
- 1,270 clinicians in this Medicare group
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 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 80218 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.
DENVER, CO 80218
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 Alisha Garth's NPI number?
The NPI number for Alisha Garth is 1639299225. It was assigned to this individual provider in the NPPES registry on March 29, 2007.
Where is Alisha Garth located?
Alisha Garth practices at 1375 E 19th Ave, Denver, CO 80218. The listed phone number is (303) 338-4545.
What is Alisha Garth's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alisha Garth enrolled in Medicare?
Yes. Alisha Garth 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 Alisha Garth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alisha Garth reassigns Medicare benefits to 2 organizations: Intermountain Medical Group Denver, LLC (Denver, CO) and Colorado Permanente Medical Group, P.C. (Denver, 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 Alisha Garth'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 Alisha Garth was last updated on June 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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. Alisha Perkins Garth, M.D. · NPI 1639299225
Emergency Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since March 29, 2007.
## Identity
- **NPI:** 1639299225 (Entity type: Individual)
- **Enumerated:** March 29, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 47724 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1375 E 19TH AVE, Denver, CO 80218-1114
- **Phone:** (303) 338-4545
## 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): Intermountain Medical Group Denver, LLC (NPI 1558975953, Denver, CO); Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** June 11, 2021
- **Other identifiers:** Other 020234 (CO); Other P00828342; Medicaid 82470031 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1639299225) · Data from the CMS NPPES public registry.