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DR. MARC A CHILDRESS M.D.
NPI 1124117015
Family Medicine in Fairfax, VA

Active since October 11, 2006PECOS EnrolledAccepts Medicare Assignment
3650 JOSEPH SIEWICK DRIVE, SUITE 400, FAIRFAX, VA 22033(703) 391-2020(703) 391-1211 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 22, 2026, Oct 15, 2020 (2 updates tracked since 2020).

About Dr. Marc A Childress M.d. NPPES

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

DR. MARC A CHILDRESS M.D. (NPI 1124117015) is an individual family medicine provider in Fairfax, Virginia, licensed in Virginia (0101252825) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2002).

NPPES Registry Identity

NPI1124117015
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARC A CHILDRESSCredential: M.D.
Location Address3650 JOSEPH SIEWICK DRIVE, SUITE 400Fairfax, VA 22033
Mailing AddressPo Box 37189Baltimore, MD 21297-3189 · (571) 423-5699 · Fax (571) 423-5698
Phone(703) 391-2020
Fax(703) 391-1211
Sole ProprietorNo
Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 2002
Enumeration DateOctober 11, 2006
Last NPPES UpdateApril 22, 20262 updates tracked since enumeration
NPPES CertifiedApril 22, 2026
✔ NPI 1124117015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in VA · 0101252825
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3650 JOSEPH SIEWICK DRIVE, Fairfax, VA 22033
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marc A Childress 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 ID4082856992
PECOS Enrollment IDI20130806000145
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.

Areas of Expertise CMS Part B claims 12

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
157 services97 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
79 services11 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
71 services54 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
60 services30 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
45 services45 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
43 services31 patients

Hospital Affiliations CMS Care Compare

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

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 22033 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.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
94%2,190 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
63%217 patients3/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
97%224 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
75%2,451 patients4/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
100%2,304 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
72%2,304 patients4/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
73%2,304 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. FRANCIS G O'CONNOR MD
Family Medicine
3650 JOSEPH SIEWICK DRIVE, SUITE 400, FAIRFAX FAMILY PRACTICE CENTERS, P.C.
FAIRFAX, VA 22033
Fairfax County (703) 391-2040
DR. KATHRYN WILSON HARE MD
Family Medicine
3650 JOSEPH SIEWICK DRIVE, SUITE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
DR. SHETAL RAMESHCHANDRA PATEL M.D.
Family Medicine
3650 JOSEPH SIEWICK DRIVE, SUITE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
FAIRFAX FAMILY PRACTICE CENTERS PC
Family Medicine
3650 JOSEPH SIEWICK DRIVE, SUITE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
AMY Y NOBU MD
Family Medicine
3650 JOSEPH SIEWICK DRIVE, SUITE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020

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 Marc Childress's NPI number?

The NPI number for Marc Childress is 1124117015. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Marc Childress located?

Marc Childress practices at 3650 Joseph Siewick Drive Suite 400, Fairfax, VA 22033. The listed phone number is (703) 391-2020.

What is Marc Childress's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Marc Childress enrolled in Medicare?

Yes. Marc Childress 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.

Is Marc Childress affiliated with any hospitals?

According to CMS data, Marc Childress is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Marc Childress was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.