DR. PHILIP J SULLIVAN MD
NPI 1447477583
Emergency Medicine in Littleton, CO
About Dr. Philip J Sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILIP J SULLIVAN MD (NPI 1447477583) is an individual emergency medicine provider in Littleton, Colorado, licensed in Colorado (19503) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Philip J Sullivan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Philip Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kremmling, CO 80459
- Reassigned Medicare billing, Colorado enrollment
- 75 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 80121 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLETON, CO 80121
LITTLETON, CO 80121
LITTLETON, CO 80121
LITTLETON, CO 80121
LITTLETON, CO 80121
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 Philip Sullivan's NPI number?
The NPI number for Philip Sullivan is 1447477583. It was assigned to this individual provider in the NPPES registry on April 19, 2007.
Where is Philip Sullivan located?
Philip Sullivan practices at 191 E Orchard Rd Ste 102ne, Littleton, CO 80121. The listed phone number is (303) 730-1313.
What is Philip Sullivan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Philip Sullivan enrolled in Medicare?
Yes. Philip Sullivan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Philip Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Sullivan reassigns Medicare benefits to Kremmling Memorial Hospital District (Kremmling, CO). The 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 Philip Sullivan'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 Philip Sullivan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Philip J Sullivan, MD · NPI 1447477583
Emergency Medicine physician in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since April 19, 2007.
## Identity
- **NPI:** 1447477583 (Entity type: Individual)
- **Enumerated:** April 19, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 19503 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 191 E ORCHARD RD, STE 102NE, Littleton, CO 80121-8000
- **Phone:** (303) 730-1313 · **Fax:** (303) 730-2090
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kremmling Memorial Hospital District (NPI 1619962321, Kremmling, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1447477583) · Data from the CMS NPPES public registry.