CHRISTOPHER NEAL MILLS M.D.
NPI 1730116294
Emergency Medicine in Washington, DC

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment
92.33/100
CMS Quality Rating
2150 PENNSYLVANIA AVE, GEORGE WASHINGTON UNIVERSITY, WASHINGTON, DC 20036(202) 741-2911(202) 741-2921 Get Directions Write a Review

NPPES record last updated: April 30, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Christopher Neal Mills M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER NEAL MILLS M.D. (NPI 1730116294) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in California (A86443) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Fauquier Hospital, and is a graduate of University Of California, San Diego School Of Medicine (2002).

NPPES Registry Identity

NPI1730116294
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCHRISTOPHER NEAL MILLSCredential: M.D.
Location Address2150 PENNSYLVANIA AVE, GEORGE WASHINGTON UNIVERSITYWashington, DC 20036
Mailing Address905 N Wayne St, Apt 303Arlington, VA 22201-1837
Fax(202) 741-2921
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2002
Enumeration DateJune 28, 2006
Last NPPES UpdateApril 30, 2008
✔ NPI 1730116294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A86443
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2150 PENNSYLVANIA AVE, Washington, DC 20036

Other Identifiers 2

Medicare ID-Type Unspecified00A864430CA
Medicare UPINI43692CA

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

Christopher Neal Mills M.d. 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.

PECOS PAC ID2466479969
PECOS Enrollment IDI20070816000948
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Christopher Mills reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
1701 N GEORGE MASON DR
Arlington, VA 22205
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
  • 1,150 clinicians in this Medicare group
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,618 clinicians in this Medicare group
Emergency Medical Services
3600 JOSEPH SIEWICK DR
Fairfax, VA 22033
  • Reassigned Medicare billing, District of Columbia enrollment
  • 71 clinicians in this Medicare group
Emergency Medical Services
500 HOSPITAL DR, EMERGENCY DEPARTMENT
Warrenton, VA 20186
  • Reassigned Medicare billing, Virginia enrollment
  • 60 clinicians in this Medicare group
Family Medicine
435 2ND ST
Newport, TN 37821
  • Reassigned Medicare billing, Virginia enrollment
  • 679 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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
245 services239 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
80 services78 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
50 services50 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490023
Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County
Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20036 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

92.33/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.98
Improvement Activities40

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 Christopher Mills's NPI number?

The NPI number for Christopher Mills is 1730116294. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Christopher Mills located?

Christopher Mills practices at 2150 Pennsylvania Ave George Washington University, Washington, DC 20036. The listed phone number is (202) 741-2911.

What is Christopher Mills's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Christopher Mills enrolled in Medicare?

Yes. Christopher Mills 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 Christopher Mills's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Mills reassigns Medicare benefits to 5 organizations: Emergency Medicine Associates PA PC (Arlington, VA), Inova Health Care Services (Falls Church, VA), Fair Oaks Emergency Physicians, PLLC (Fairfax, VA), Virginia Emergency Medicine Assoicates, Ltd (Warrenton, VA) and Emergency Coverage, LLC (Newport, TN). 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 Christopher Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christopher Mills affiliated with any hospitals?

According to CMS data, Christopher Mills is affiliated with Fauquier Hospital and Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Mills was last updated on April 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.