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Edit this profileAt a glance
- 21430 Cedar Dr Ste 226, Sterling, VA 20164
About Dr. Knapp
Listed in the NPI registry as a chiropractor, Tony A. Knapp, D.C. practices in Sterling, VA. Tony graduated from National College of Chiropractic in 1998. According to Medicare claims data, Tony cared for 30 Medicare patients across 350 services. The services billed most often include chiropractic manipulative treatment, 1-2 spinal regions. NPI 1942237904 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (703) 444-3870
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
21430 CEDAR DR STE 226
Sterling, VA 20164
Conditions Supported and Services
Within Chiropractic generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Arm & Elbow
Chronic pain
Foot & ankle
Head & jaw
Head & Neck
Hip & Pelvis
Joints
Leg & Foot
Muscles
Nerve
Nerve issues
Pediatric
Pregnancy
Shoulder & Arm
Spine
Spine & disc
- Herniated disc
- Poor Posture
- Rib pain
- Sacroiliac joint pain
- Scoliosis
- Spinal stenosis
- Stiff neck
- Tailbone pain
- Upper Back Pain
Trauma
Procedures & services
Adjustment
- Gonstead Adjustment
- Spinal manipulation
- Extremity adjustment
- Sacro-Occipital Technique
- Upper Cervical Adjustment
Adjustments
Diagnostics
Occupational Health
Most searched procedures
Advanced Procedures
Devices & supports
Pediatrics
Prenatal care
Recovery
Rehab & exercise
Soft Tissue
Specialized Care
Spine & disc
Spine Therapy
Therapy
- Active release technique
- Acupressure
- Craniosacral therapy
- Cupping Therapy
- Dry needling
- Electrical muscle stimulation
- Infrared Sauna Therapy
- Muscle Scraping
- Pulsed electromagnetic field therapy
- Red light therapy
- Shockwave Therapy
- Therapeutic Ultrasound
- Wart Removal
Wellness
Procedures Most Often Billed to Medicare
350 services · 30 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Chiropractic manipulative treatment, 1-2 spinal regions | Treatment | 98940 |
350 | More often than most peers in Chiropractor |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other chiropractors in Sterling 8
Same specialty, same city.
Trained at National College of Chiropractic 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1998 at National College of Chiropractic 8
Providers who graduated from the same medical school in the same year.
Also performs Chiropractic manipulative treatment, 1-2 spinal regions 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Tony A. Knapp?
Tony A. Knapp is a chiropractor in Sterling, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Tony A. Knapp's address?
Tony A. Knapp is listed at 21430 Cedar Dr Ste 226, Sterling, VA 20164. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Tony A. Knapp?
The number on file is (703) 444-3870. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Tony A. Knapp's NPI number?
Tony A. Knapp's National Provider Identifier is 1942237904. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Tony A. Knapp train?
Tony A. Knapp attended National College of Chiropractic, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Tony A. Knapp been practicing?
Tony A. Knapp has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Tony A. Knapp perform?
According to Medicare billing data, Tony A. Knapp provides treatments such as chiropractic manipulative treatment, 1-2 spinal regions. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Tony A. Knapp confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Tony A. Knapp. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.