Individual provider Active NPI

Faisal A Siddiqui, MD

  • Orthopaedic Surgery Physician
  • Manassas, VA
National Provider Identifier
1265483820
Registry record updated Jul 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
0101237932 Issued in VA
Practice address
8525 Rolling Rd
Suite 200
Manassas, VA 20110-3647
Phone
(703) 257-2266
Fax
(703) 257-2269
NPI assigned
May 16, 2006
Last updated
Jul 11, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 11, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 0101237932 VA Primary
Orthopaedic Surgery of the Spine Physician 207XS0117X 0101237932 VA

Addresses

Primary practice location

8525 Rolling Rd
Suite 200
Manassas, VA 20110-3647

Mailing address

PO Box 37174
Baltimore, MD 21297-3174
Phone (571) 472-6253

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, DC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20051104000653 VA Practitioner - Orthopedic Surgery 4880679810 Reassigns benefits to 2 organizations
I20081208000705 DC Practitioner - Orthopedic Surgery 4880679810 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Vanderbilt University School of Medicine, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

13575 Heathcote Blvd
Gainesville, VA 20155-6700
Phone (571) 472-2900

224 A Cornwall St NW
Leesburg, VA 20176-2701
Phone (703) 771-2837

224 B Cornwall NWST
Leesburg, VA 20176-2701

224 Cornwall St NW
Leesburg, VA 20176-2701
Phone (703) 771-2894

22505 Landmark CT
Ashburn, VA 20148-6501
Phone (703) 970-6464

3289 Woodburn Rd
Annandale, VA 22003-6800
Phone (703) 641-8616

3299 Woodburn Rd
Annandale, VA 22003-7326
Phone (703) 205-2626

3600 Joseph Siewick Dr
Fairfax, VA 22033-1709
Phone (703) 391-3600

44045 Rivderside Pkwy
Leesburg, VA 20176-5101

7051 Heathcote Village Way
Gainesville, VA 20155-3266
Phone (703) 391-4500

8100 Innovation Park Dr
Fairfax, VA 22031-4870
Phone (571) 472-0321

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.36 of 100Reported as group
Quality
73.03
Promoting interoperability
100
Improvement activities
40
Cost
71.49

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion37
Laminectomy or laminotomy (partial removal of spine bones)1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
0101237932VAMDOrthopaedic Surgery of the Spine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Inova Health Care Services CurrentSince May 13, 2024 Accepting new patients
Nova Advanced Pain Management PLLC Orthopaedic Surgery of the Spine CurrentSince Oct 1, 2007 Accepting new patients
Inova Health Care Services CurrentSince May 13, 2024 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

3299 Woodburn Rd
Ste 370
Annandale, VA 22003
Phone (703) 573-2066

3700 Joseph Siewick Dr
Ste 208
Fairfax, VA 22033
Phone (703) 208-4200

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040

8525 Rolling Rd
Ste 200
Manassas, VA 20110
Phone (703) 257-2266

Interoperability endpoints

  • Direct secure messaging: fsiddiqui26200@soc.inova.org

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783728000000",
    "number": "1265483820",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 37174",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212973174",
            "telephone_number": "571-472-6253"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8525 ROLLING RD",
            "address_2": "SUITE 200",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201103647",
            "telephone_number": "703-257-2266",
            "fax_number": "703-257-2269"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIDDIQUI",
        "first_name": "FAISAL",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2026-07-11",
        "certification_date": "2026-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "VA",
            "license": "0101237932",
            "primary": true
        },
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "VA",
            "license": "0101237932",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Manassas, VA

Sources for this page

Verify at the official NPI Registry.