INOVA FAIR OAKS HOSPITAL
NPI 1922139807
Psychiatric Unit in Fairfax, VA

Active since March 09, 2007CLIA 49D0222065 · Accreditation
5/5
Hospital Overall Rating
3600 JOSEPH SIEWICK DR, FAIRFAX, VA 22033(703) 391-3600 Get Directions Write a Review

NPPES record last updated: December 29, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Inova Fair Oaks Hospital NPPES

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

INOVA FAIR OAKS HOSPITAL (NPI 1922139807) is a healthcare organization registered as a psychiatric unit in Fairfax, Virginia and active in the NPI registry since March 2007. The organization holds an CLIA Accreditation certificate valid through January 2, 2027 and lists Richard Magenheimer, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1922139807
Entity TypeOrganization
Primary Taxonomy273R00000X
Legal Business NameINOVA HEALTH CARE SERVICES
Location Address3600 JOSEPH SIEWICK DRFairfax, VA 22033-1709
Mailing Address2990 Telestar CtFalls Church, VA 22042-1207 · (703) 321-2999
Organization SubpartNo
Authorized OfficialRichard MagenheimerChief Financial Officer · (703) 289-2048
Enumeration DateMarch 9, 2007
Last NPPES UpdateDecember 29, 2009
NPI 1922139807 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatric UnitHospital Units
Taxonomy Code273R00000X
Definition
In general, a distinct unit of a hospital that provides acute or long-term care to emotionally disturbed patients, including patients admitted for diagnosis and those admitted for treatment of psychiatric problems on the basis of physicians' orders and approved nursing care plans. Long-term care may include intensive supervision to the chronically mentally ill, mentally disordered or other mentally incompetent persons; (2) For Medicare, a distinct part of a general acute care hospital admitting only patients whose admission to the unit is required for active treatment, whose treatment is of an intensity that can be provided only in an inpatient hospital setting, and whose condition is described by a psychiatric principal diagnosis contained in the Third Edition of the American Psychiatric Association Diagnostic and Statistical Manual or in Chapter 5 (Mental Disorders) of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). The unit must furnish, through the use of qualified personnel, psychological services, social work services, psychiatric nursing, occupational therapy, and recreational therapy. The unit must maintain medical records that permit determination of the degree and intensity of treatment provided to individuals who are furnished services in the unit; the unit must meet special staff requirements in that the unit must have adequate numbers of qualified professional and supportive staff to evaluate inpatients, formulate written, individualized, comprehensive treatment plans, provide active treatment measures and engage in discharge planning.
3600 JOSEPH SIEWICK DR, Fairfax, VA 22033

Other Names 1

Doing Business AsInova Fair Oaks Hospital

Other Identifiers 2

Medicaid004901011VA
Medicare ID-Type Unspecified49S101VA

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 49D0222065

Inova Fair Oaks Hospital Laboratory · Fairfax, VA
Active · expires Jan 2, 2027
CLIA Number49D0222065
Laboratory TypeAncillary Testing Site In Health Care Center
Certificate Effective DateJanuary 3, 2025
Certificate Expiration DateJanuary 2, 2027
Laboratory DirectorDr. Theodore M. Friedman
Laboratory Phone(703) 391-3650
Laboratory LocationInova Fair Oaks Hospital Laboratory3600 Joseph Siewick Drive, Fairfax, VA 22033
CLIA data matches this NPI record on: Address Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Inova Fair Oaks Hospital (CMS certification number 490101), from CMS Care Compare.

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS Overall Rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County · (703) 391-4170
Birthing friendly Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023
3/5 summary rating
Nurse communication
3/5
Doctor communication
3/5
Staff responsiveness
3/5
Communication about medicines
2/5
Discharge information
4/5
Care transition
3/5
Cleanliness
4/5
Quietness
2/5
Overall hospital rating
4/5
Recommend hospital
4/5
Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 18

Rate of complications for hip/knee replacement patients
3.4 No different than national
Death rate for heart attack patients
13.2% No different than national
Death rate for COPD patients
8.8% No different than national
Death rate for heart failure patients
10.1% No different than national
Death rate for pneumonia patients
20.3% No different than national
Death rate for stroke patients
12.7% No different than national

Infections 5

Central Line Associated Bloodstream Infection (ICU + select Wards)
0 observed cases · 1.681 predicted · 2,363 patient days
0.000 No different than national
Catheter Associated Urinary Tract Infections (ICU + select Wards)
2 observed cases · 2.104 predicted · 3,046 patient days
0.951 No different than national
SSI - Colon Surgery
2 observed cases · 7.416 predicted · 283 patient days
0.270 Better than the national benchmark
MRSA Bacteremia
0 observed cases · 2.016 predicted · 47,780 patient days
0.000 No different than national
Clostridium Difficile (C.Diff)
5 observed cases · 25.499 predicted · 40,494 patient days
0.196 Better than the national benchmark

Unplanned Hospital Visits 13

Hospital return days for heart attack patients
Cases too small to report
Hospital return days for heart failure patients
419 days per 100 discharges
Hospital return days for pneumonia patients
321 more days than average per 100 discharges
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)
2618 No different than national
Rate of inpatient admissions for patients receiving outpatient chemotherapy
Cases too small to report
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
Cases too small to report

Timely & Effective Care 17

Emergency department volume
High
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
7.1%
Healthcare workers given influenza vaccination
98%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
180 minutes
Average (median) time patients spent in the emergency department before leaving from the visit- Psychiatric/Mental Health Patients. A lower number of minutes is better
121 minutes
Left before being seen
0%

Maternal Health 2

Elective Delivery
289%
Maternal Morbidity Structural Measure
Yes

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.

Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Registered Nurse
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Physician Assistant
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Physical Therapist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Hospitalist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Pathology (Anatomic Pathology & Clinical Pathology)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Registered Nurse (Registered Nurse First Assistant)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033

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 Inova Health Care Services's NPI number?

The NPI number for Inova Health Care Services is 1922139807. It was assigned to this organization in the NPPES registry on March 9, 2007. The provider is doing business as Inova Fair Oaks Hospital.

Where is Inova Health Care Services located?

Inova Health Care Services is located at 3600 Joseph Siewick Dr, Fairfax, VA 22033. The listed phone number is (703) 391-3600.

What is Inova Health Care Services's specialty?

The primary specialty registered for this NPI is Psychiatric Unit with taxonomy code 273R00000X.

Does Inova Health Care Services hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 49D0222065) is associated with this NPI, valid through January 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Inova Health Care Services a Medicare-certified hospital?

Yes. Inova Fair Oaks Hospital is a Medicare-certified hospital (Acute Care Hospitals).

What quality rating does Inova Health Care Services have?

CMS rates Inova Fair Oaks Hospital 5 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for Inova Health Care Services was last updated on December 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.