DR. IRFAN J ALI D.O.
NPI 1649852419
Hospitalist in Littleton, CO
About Dr. Irfan J Ali D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRFAN J ALI D.O. (NPI 1649852419) is an individual hospitalist provider in Littleton, Colorado, licensed in Colorado (DR.0075891) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of Campbell Univ School Of Osteopathic Medicine (2021).
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. Irfan J Ali D.o. 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 Irfan Ali reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Littleton, CO 80122
- Reassigned Medicare billing, Colorado enrollment
- 733 clinicians in this Medicare group
Denver, CO 80202
- Reassigned Medicare billing, Colorado enrollment
- 90 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 80122 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.
LITTLETON, CO 80122
LITTLETON, CO 80122
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 Irfan Ali's NPI number?
The NPI number for Irfan Ali is 1649852419. It was assigned to this individual provider in the NPPES registry on April 22, 2021.
Where is Irfan Ali located?
Irfan Ali practices at 7700 S Broadway, Littleton, CO 80122. The listed phone number is (303) 730-8900.
What is Irfan Ali's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Irfan Ali enrolled in Medicare?
Yes. Irfan Ali 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 Irfan Ali's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irfan Ali reassigns Medicare benefits to 2 organizations: Portercare Adventist Health System (Littleton, CO) and Alpine Medical Group Colorado PLLC (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 Irfan Ali'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 Irfan Ali was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Irfan J Ali, D.O. · NPI 1649852419
Hospitalist physician in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since April 22, 2021.
## Identity
- **NPI:** 1649852419 (Entity type: Individual)
- **Enumerated:** April 22, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** DR.0075891 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 7700 S BROADWAY, Littleton, CO 80122-2602
- **Phone:** (303) 730-8900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Portercare Adventist Health System (NPI 1164389177, Littleton, CO); Alpine Medical Group Colorado PLLC (NPI 1104501873, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Campbell Univ School Of Osteopathic Medicine, class of 2021
## Record status
- **NPPES last updated:** May 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649852419) · Data from the CMS NPPES public registry.