GREGORY ALLEN MD
NPI 1770686560
Otolaryngology - Pediatric Otolaryngology in Aurora, CO
About Gregory Allen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY ALLEN MD (NPI 1770686560) is an individual pediatric otolaryngology provider in Aurora, Colorado, licensed in Colorado (35813) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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
Gregory Allen Md 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 Gregory Allen 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
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 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.
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.
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
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 Gregory Allen's NPI number?
The NPI number for Gregory Allen is 1770686560. It was assigned to this individual provider in the NPPES registry on September 7, 2006.
Where is Gregory Allen located?
Gregory Allen practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.
What is Gregory Allen's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Gregory Allen enrolled in Medicare?
Yes. Gregory Allen 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 Gregory Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Allen reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and Denver Health And Hospital Authority (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 Gregory Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Allen accept?
Health plans from Select Health and UnitedHealthcare list Gregory Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gregory Allen was last updated on September 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Gregory Allen, MD · NPI 1770686560
Pediatric Otolaryngology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since September 7, 2006.
## Identity
- **NPI:** 1770686560 (Entity type: Individual)
- **Enumerated:** September 7, 2006
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** 35813 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 13123 E 16TH AVE, Aurora, CO 80045-7106
- **Phone:** (720) 777-1234
## 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 1083662498, Aurora, CO); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 1990
## Record status
- **NPPES last updated:** September 12, 2012
- **Other identifiers:** Medicaid 01358134 (CO); Medicare PIN CO306859 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1770686560) · Data from the CMS NPPES public registry.