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MARK SHASTI MD
NPI 1295078848
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Sterling, VA

Active since April 02, 2013PECOS EnrolledAccepts Medicare Assignment
81.28/100
CMS Quality Rating
21351 GENTRY DR STE 125, STERLING, VA 20166(703) 774-3132(703) 683-7801 Get Directions Write a Review

NPPES record last updated: May 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 5, 2025, Jun 22, 2023, Apr 12, 2022 and 5 more (8 updates tracked since 2018).

About Mark Shasti Md NPPES

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

MARK SHASTI MD (NPI 1295078848) is an individual orthopaedic surgery of the spine provider in Sterling, Virginia, licensed in Virginia (0101266855) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Reston Hospital Center, and maintains a secondary practice location in Annandale.

NPPES Registry Identity

NPI1295078848
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameMARK SHASTICredential: MD
Location Address21351 GENTRY DR STE 125Sterling, VA 20166-8511
Mailing Address46090 Lake Center Plz Ste 102Sterling, VA 20165-5877 · (703) 774-3132 · Fax (703) 683-7801
Phone(703) 774-3132
Fax(703) 683-7801
Sole ProprietorYes
Medical School CMSOhio Medical UniversityGraduated 2013
Enumeration DateApril 2, 2013
Last NPPES UpdateMay 5, 20258 updates tracked since enumeration
NPPES CertifiedMay 5, 2025
✔ NPI 1295078848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in VA · 0101266855
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 0101266855 (VA)
21351 GENTRY DR STE 125, Sterling, VA 20166
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Secondary Practice Location 1

Location 15105L Backlick RdAnnandale, VA 22003-6067 · Phone (703) 774-3132

Other Identifiers 1

Medicaid7100527830KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Oscar Health.Insurance ›

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

Mark Shasti Md 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 ID9537468756
PECOS Enrollment IDI20190718000931, I20220323000124
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 Mark Shasti reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nova Spine Center LLC
Same address
Orthopaedic Surgery of the Spine
21351 GENTRY DR STE 125
Sterling, VA 20166
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 2 clinicians in this Medicare group
NPI 1598454381 (410) 599-9872
Loudoun Medical Group, PC
0.5 mi
Obstetrics & Gynecology
21475 RIDGETOP CIRCLE, SUITE 210
Sterling, VA 20166
  • Reassigned Medicare billing, Virginia enrollment
  • 291 clinicians in this Medicare group
NPI 1518081033 (703) 858-2811
Inova Health Care Services
11 mi
Urgent Care
100 MAPLE AVE E
Vienna, VA 22180
  • Reassigned Medicare billing, Virginia and District of Columbia enrollments
  • Also billed through NPI 1952320061 (District of Columbia)
  • 2,379 clinicians in this Medicare group
NPI 1275886418 (703) 938-5300
Community Medical Associates, Inc.
445 mi
Multi-Specialty
4803 OLYMPIA PARK PLZ STE 1100
Louisville, KY 40241
  • Reassigned Medicare billing, Kentucky enrollment
  • 1,896 clinicians in this Medicare group
NPI 1073089850 (502) 588-9490
University Of Louisville Physicians, Inc.
445 mi
Pediatric Critical Care Medicine
9700 PARK PLAZA AVE, SUITE 110
Louisville, KY 40241
  • Reassigned Medicare billing, Kentucky enrollment
  • 2,337 clinicians in this Medicare group
NPI 1972859098 (502) 618-4283

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 6

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.
155 services81 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
76 services76 patients
Computer-assisted spinal procedure 61783
A computer-assisted spinal procedure is a surgical technique that uses computer technology for improved precision. It involves creating a 3D image of your spine to guide the surgeon during the operation. This method enhances accuracy, reduces risk, and promotes quicker recovery.
16 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
15 services14 patients
Incision or removal of lower spine bone segment 22214
This procedure involves making a small incision in the lower back to access the spine. A segment of bone may be removed to relieve pressure on nerves, improve mobility, or treat conditions like herniated discs or spinal stenosis. Recovery varies, but physical therapy may follow.
12 services12 patients
Fusion of spine in lower back 22612
Fusion of the spine in the lower back, also known as lumbar spinal fusion, is a surgery aimed to join, or fuse, two or more vertebrae in your lower back. This procedure can help alleviate pain and improve stability by reducing movement between the vertebrae.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Reston Hospital Center

Acute Care Hospitals · Reston, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490107
Location1850 Town Center ParkwayReston, VA 20190 · Fairfax County
Emergency services

Stonesprings Hospital Center

Acute Care Hospitals · Dulles, VA
OwnershipProprietary
CMS Certification Number490145
Location24440 Stone Springs BoulevardDulles, VA 20166 · Loudoun County
Emergency services

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 4

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

CRYSTAL ANN LEE NP-C
Nurse Practitioner (Family)
21351 GENTRY DR STE 125
STERLING, VA 20166
Loudoun County (703) 774-3132
NOVA SPINE CENTER LLC
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
21351 GENTRY DR STE 125
STERLING, VA 20166
Loudoun County (410) 599-9872
DR. HESUM A CHEGINI D.O
Internal Medicine (Rheumatology)
21351 GENTRY DR STE 125
STERLING, VA 20166
Loudoun County (571) 545-4343
RHEUMATOLOGY CENTER OF NORTHERN VIRGINIA
Internal Medicine (Rheumatology)
21351 GENTRY DR STE 125
STERLING, VA 20166
Loudoun County (571) 545-4343

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 Shasti's NPI number?

The NPI number for Mark Shasti is 1295078848. It was assigned to this individual provider in the NPPES registry on April 2, 2013.

Where is Mark Shasti located?

Mark Shasti practices at 21351 Gentry Dr Ste 125, Sterling, VA 20166. The listed phone number is (703) 774-3132.

What is Mark Shasti's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Mark Shasti enrolled in Medicare?

Yes. Mark Shasti 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 Mark Shasti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Shasti reassigns Medicare benefits to 5 organizations: Nova Spine Center LLC (Sterling, VA), Loudoun Medical Group, PC (Sterling, VA), Inova Health Care Services (Vienna, VA), Community Medical Associates, Inc. (Louisville, KY) and University Of Louisville Physicians, Inc. (Louisville, KY). 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 Mark Shasti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Shasti accept?

Health plans from CareSource and Oscar Health list Mark Shasti 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.

Is Mark Shasti affiliated with any hospitals?

According to CMS data, Mark Shasti is affiliated with Reston Hospital Center and Stonesprings Hospital Center.

When was this NPI record last updated?

The NPPES record for Mark Shasti was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.