JOHN K KILCULLEN MD
NPI 1225029523
Internal Medicine - Critical Care Medicine in Falls Church, VA
About John K Kilcullen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN K KILCULLEN MD (NPI 1225029523) is an individual critical care medicine provider in Falls Church, Virginia, licensed in Virginia (0101248784) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains 6 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 6
Other Identifiers 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
John K Kilcullen 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 Reassignment
Medicare enrollment records show John Kilcullen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 167 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22042 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.
FALLS CHURCH, VA 22042
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 John Kilcullen's NPI number?
The NPI number for John Kilcullen is 1225029523. It was assigned to this individual provider in the NPPES registry on November 4, 2005.
Where is John Kilcullen located?
John Kilcullen practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-4001.
What is John Kilcullen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is John Kilcullen enrolled in Medicare?
Yes. John Kilcullen 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 organization bills Medicare for John Kilcullen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Kilcullen reassigns Medicare benefits to Inova Health Care Services (Falls Church, VA). 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 John Kilcullen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Kilcullen affiliated with any hospitals?
According to CMS data, John Kilcullen is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for John Kilcullen was last updated on September 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# John K Kilcullen, MD · NPI 1225029523
Critical Care Medicine physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since November 4, 2005.
## Identity
- **NPI:** 1225029523 (Entity type: Individual)
- **Enumerated:** November 4, 2005
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 0101248784 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 GALLOWS RD, Falls Church, VA 22042-3300
- **Phone:** (703) 776-4001 · **Fax:** (703) 776-7113
## 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:** Inova Health Care Services (NPI 1952320061, Falls Church, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 1997
## Record status
- **NPPES last updated:** September 23, 2020
- **Other identifiers:** Medicaid 001376700 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1225029523) · Data from the CMS NPPES public registry.