DR. MARK FULLER SEWELL M.D.
NPI 1912913880
Obstetrics & Gynecology - Maternal & Fetal Medicine in Alexandria, VA

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
81.28/100
CMS Quality Rating
4320 SEMINARY RD, ALEXANDRIA, VA 22304(703) 504-3000(703) 504-3388 Get Directions Write a Review

NPPES record last updated: July 20, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 20, 2021, Oct 21, 2020 (2 updates tracked since 2020).

About Dr. Mark Fuller Sewell M.d. NPPES

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

DR. MARK FULLER SEWELL M.D. (NPI 1912913880) is an individual maternal & fetal medicine provider in Alexandria, Virginia, licensed in North Carolina (2011-1303) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1999).

NPPES Registry Identity

NPI1912913880
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameDR. MARK FULLER SEWELLCredential: M.D.
Location Address4320 SEMINARY RDAlexandria, VA 22304-1535
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Fax(703) 504-3388
Sole ProprietorNo
Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 1999
Enumeration DateJuly 31, 2006
Last NPPES UpdateJuly 20, 20212 updates tracked since enumeration
NPPES CertifiedJuly 20, 2021
NPI 1912913880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
Licenses Licensed in NC · 2011-1303 Licensed in VA · 0101229824 Licensed in OH · 35083035S
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 0101229824 (VA)
4320 SEMINARY RD, Alexandria, VA 22304

Secondary Practice Locations 2

Location 1155 Memorial DrivePinehurst, NC 28374-8159 · Phone (910) 715-2220 · Fax (910) 908-7378
Location 23300 Gallows RdFalls Church, VA 22042-3307 · Phone (703) 776-4001 · Fax (703) 776-7113

Accepted Insurance

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. Mark Fuller Sewell 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 ID8224265558
PECOS Enrollment IDI20190509002840, I20190515002413
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22304 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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.

Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Radiology (Diagnostic Radiology)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Pediatrics (Neonatal-Perinatal Medicine)
4320 SEMINARY RD, SUITE 3000
ALEXANDRIA, VA 22304
Nurse Anesthetist, Certified Registered
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Physical Therapist
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Nurse Practitioner
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304

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 Mark Sewell's NPI number?

The NPI number for Mark Sewell is 1912913880. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Mark Sewell located?

Mark Sewell practices at 4320 Seminary Rd, Alexandria, VA 22304. The listed phone number is (703) 504-3000.

What is Mark Sewell's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Mark Sewell enrolled in Medicare?

Yes. Mark Sewell 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.

What insurance does Mark Sewell accept?

Health plans from Moda Health Plan, Inc. list Mark Sewell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Sewell was last updated on July 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.