JOHN J. MOYNIHAN M.D.
NPI 1932195914
Surgery in Fairfax, VA

Active since September 23, 2005PECOS EnrolledAccepts Medicare Assignment
81.28/100
CMS Quality Rating
3620 JOSEPH SIEWICK DR, SUITE 406, FAIRFAX, VA 22033(703) 359-8640(703) 591-6105 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John J. Moynihan M.d. NPPES

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

JOHN J. MOYNIHAN M.D. (NPI 1932195914) is an individual surgery provider in Fairfax, Virginia, licensed in Virginia (0101033952) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Georgetown University School Of Medicine (1980).

NPPES Registry Identity

NPI1932195914
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameJOHN J. MOYNIHANCredential: M.D.
Location Address3620 JOSEPH SIEWICK DR, SUITE 406Fairfax, VA 22033-1756
Mailing Address3620 Joseph Siewick Dr, Suite 406Fairfax, VA 22033-1756 · (703) 359-8640 · Fax (703) 591-6105
Fax(703) 591-6105
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1980
Enumeration DateSeptember 23, 2005
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedOctober 21, 2020
NPI 1932195914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in VA · 0101033952
Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

3620 JOSEPH SIEWICK DR, Fairfax, VA 22033

Other Identifiers 1

Medicaid7374101VA

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

John J. Moynihan 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 ID5193828549
PECOS Enrollment IDI20101101001548
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

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
17 services17 patients

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, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

81.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.77
Promoting Interoperability100
Improvement Activities40
Cost66.84

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.

Obstetrics & Gynecology
3620 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033
Nurse Practitioner (Adult Health)
3620 JOSEPH SIEWICK DR, SUITE 307
FAIRFAX, VA 22033
Physician Assistant (Medical)
3620 JOSEPH SIEWICK DR, STE 100
FAIRFAX, VA 22033
Podiatrist (Foot & Ankle Surgery)
3620 JOSEPH SIEWICK DR, 303
FAIRFAX, VA 22033
Orthopaedic Surgery
3620 JOSEPH SIEWICK DR, SUITE 100
FAIRFAX, VA 22033
Internal Medicine (Rheumatology)
3620 JOSEPH SIEWICK DR, SUITE 401
FAIRFAX, VA 22033
Internal Medicine
3620 JOSEPH SIEWICK DR, SUITE 306
FAIRFAX, VA 22033
Physical Therapist
3620 JOSEPH SIEWICK DR, SUITE 201
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 John Moynihan's NPI number?

The NPI number for John Moynihan is 1932195914. It was assigned to this individual provider in the NPPES registry on September 23, 2005.

Where is John Moynihan located?

John Moynihan practices at 3620 Joseph Siewick Dr Suite 406, Fairfax, VA 22033. The listed phone number is (703) 359-8640.

What is John Moynihan's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is John Moynihan enrolled in Medicare?

Yes. John Moynihan 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 John Moynihan affiliated with any hospitals?

According to CMS data, John Moynihan is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for John Moynihan was last updated on November 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.