Are you Dr. Zweiacher? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 100 S Main St, Suite 204, Smyrna, DE 19977
About Dr. Zweiacher
Greg A. Zweiacher, DC is a chiropractor based in Smyrna, DE. Greg is a 1991 graduate of Palmer College Chiropractic - Davenport. Medicare claims data shows Greg provided 1,337 services to 184 patients. The services billed most often include chiropractic manipulative treatment, 3-4 spinal regions and chiropractic manipulative treatment, 1-2 spinal regions. The provider's National Provider Identifier (NPI) is 1801873385.
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
- (302) 653-1188
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
100 S MAIN ST SUITE 204
Smyrna, DE 19977
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
- Custom orthotics
- Kinesiology taping
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
- Ergonomic assessment
- Functional Medicine Consultation
Procedures Most Often Billed to Medicare
1,337 services · 184 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
914 | More often than most peers in Chiropractor |
| Chiropractic manipulative treatment, 1-2 spinal regions | Treatment | 98940 |
423 | 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.
Other chiropractors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other chiropractors in Smyrna 7
Same specialty, same city.
Trained at Palmer College Chiropractic - Davenport 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Palmer College Chiropractic - Davenport 8
Providers who graduated from the same medical school in the same year.
Also performs Chiropractic manipulative treatment, 3-4 spinal regions 8
Providers in DE who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Zweiacher?
Dr. Zweiacher is a chiropractor in Smyrna, DE. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Zweiacher's address?
Dr. Zweiacher is listed at 100 S Main St Suite 204, Smyrna, DE 19977. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Zweiacher?
The number on file is (302) 653-1188. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Zweiacher?
Dr. Zweiacher's National Provider Identifier is 1801873385. 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 Dr. Zweiacher train?
Dr. Zweiacher attended Palmer College Chiropractic - Davenport, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Zweiacher have?
Dr. Zweiacher has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Zweiacher perform?
According to Medicare billing data, Dr. Zweiacher provides treatments such as chiropractic manipulative treatment, 3-4 spinal regions and chiropractic manipulative treatment, 1-2 spinal regions. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Zweiacher's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zweiacher. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.