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Active NPI 1801873385 Individual Practitioner Male Practitioner

Dr. Greg A Zweiacher , DC

Chiropractor • Smyrna, DE

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Greg Zweiacher, DC is a certified Chiropractor practicing in Smyrna, DE. With approximately 35 years of clinical experience since graduating from Palmer College Chiropractic - Davenport in 1991, Dr. Zweiacher delivers high-quality medical care to the local community at 100 S MAIN ST.

Dr. Zweiacher accepts Medicare assignment.

Frequently performed procedures and clinical services include chiropractic manipulative treatment, 3-4 spinal regions, chiropractic manipulative treatment, 1-2 spinal regions. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

100 S Main St
Suite 204

Smyrna, DE 199771477

Telephone 3026531188
Fax 3026531182
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Palmer College Chiropractic - Davenport

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Smyrna, DE

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
35 Yrs +15.5 yrs vs City Avg
City Avg: 19.5 Yrs
State Avg: 26.4 Yrs
Regional Practice Density
9 Specialists

Practicing in Smyrna, DE (243 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
31.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Zweiacher (35 Years) 35 Yrs
Smyrna Specialty Average (19.5 Years) 19.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions
914 100 $48.00 $38.69
98940 Chiropractic manipulative treatment, 1-2 spinal regions
423 84 $48.00 $26.87

Medical Specialties & State Licenses

Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License DE F10000349

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners
Amanda Jamieson , FNP

Nurse Practitioner - Family

NPI 1063966406

Family Nurse Practitioner

Dr. Susan Kelly , MD

Obstetrics & Gynecology

NPI 1376599845

Doctor of Medicine (M.D.)

Kevin Schultz , PT

Physical Therapist

NPI 1558392076

Physical Therapist

Elizabeth Sushereba , CNM

Advanced Practice Midwife

NPI 1649237918

Certified Nurse Midwife

Deandre Caldwell , MPT, ATC

Physical Therapist - Orthopedic

NPI 1669420907

Master of Physical Therapy, Certified Athletic Trainer

NPI 1679604680

Registered Pharmacist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active May 29, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location May 29, 2013

Registered at 100 S MAIN ST, SUITE 204, SMYRNA, DE 199771477 (Tel: 3026531188)

📍
Updated Business Mailing Address May 29, 2013

Registered at 100 S MAIN ST, SUITE 204, SMYRNA, DE 199771477 (Tel: 3026531188)

👤
Provider Name / Credentials Updated May 29, 2013

Recorded as GREG ZWEIACHER, DC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 29, 2013

Chiropractor (License #F10000349 in DE)

🟢
Initial NPI Registration & Enumeration December 27, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1801873385
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 27, 2005
Last Update: May 29, 2013
Sole Proprietor: No

Mailing Address

100 S Main St, Suite 204

Smyrna, DE 199771477

Phone: 3026531188

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.