DR. NEIL AGGARWAL MD
NPI 1942346457
Internal Medicine - Pulmonary Disease in Aurora, CO
About Dr. Neil Aggarwal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NEIL AGGARWAL MD (NPI 1942346457) is an individual pulmonary disease provider in Aurora, Colorado, licensed in Colorado (DR.0067144) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2003).
NPPES Registry Identity
Specialties & Licenses 2
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. Neil Aggarwal 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
3Medicare enrollment records show Neil Aggarwal reassigns Medicare billing to 3 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
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Pikesville, MD 21208
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: St Paul Place Specialists, Inc.
- 423 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Neil Aggarwal's NPI number?
The NPI number for Neil Aggarwal is 1942346457. It was assigned to this individual provider in the NPPES registry on January 30, 2007.
Where is Neil Aggarwal located?
Neil Aggarwal practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Neil Aggarwal's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Neil Aggarwal enrolled in Medicare?
Yes. Neil Aggarwal 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 Neil Aggarwal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Neil Aggarwal reassigns Medicare benefits to 3 organizations: University Physicians Incorporated (Aurora, CO), Johns Hopkins University (Bethesda, MD) and Saint Paul Place Specialists, Inc. (Pikesville, MD). 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 Neil Aggarwal'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 Neil Aggarwal was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Neil Aggarwal, MD · NPI 1942346457
Pulmonary Disease physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1942346457 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** DR.0067144 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 12605 E 16TH AVE, Aurora, CO 80045-2545
- **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:** 3 organizations under Medicare reassignment (form CMS-855R): University Physicians Incorporated (NPI 1962461889, Aurora, CO); Johns Hopkins University (NPI 1578569240, Bethesda, MD); Saint Paul Place Specialists, Inc. (NPI 1639110919, Pikesville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2003
## Record status
- **NPPES last updated:** April 15, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1942346457) · Data from the CMS NPPES public registry.