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DR. WILLIAM GERWIG DC
NPI 1104031244
Chiropractor in Fort Lauderdale, FL

Active since May 11, 2007Accepts Medicare Assignment
4242 N FEDERAL HIGHWAY, SUITE C, FORT LAUDERDALE, FL 33308(954) 390-7071(954) 567-4049 Get Directions Write a Review

NPPES record last updated: January 7, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. William Gerwig Dc NPPES

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

DR. WILLIAM GERWIG DC (NPI 1104031244) is an individual chiropractor in Fort Lauderdale, Florida, licensed in Florida (CH007229) and active in the NPI registry since May 2007. He is a graduate of Other (1996).

NPPES Registry Identity

NPI1104031244
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. WILLIAM GERWIGCredential: DC
Location Address4242 N FEDERAL HIGHWAY, SUITE CFort Lauderdale, FL 33308
Mailing Address4242 N Federal Hwy, Suite CFort Lauderdale, FL 33308 · (954) 390-7071 · Fax (954) 567-4049
Phone(954) 390-7071
Fax(954) 567-4049
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateMay 11, 2007
Last NPPES UpdateJanuary 7, 2013
✔ NPI 1104031244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in FL · CH007229
Definition
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.
4242 N FEDERAL HIGHWAY, Fort Lauderdale, FL 33308
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Other Identifiers 2

Other55682FL · Blue Cross Blue Shield
Medicare ID-Type Unspecified55682FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc., Florida Blue (BlueCross BlueShield FL) and more.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

Dr. William Gerwig Dc 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 ID9133015654
PECOS Enrollment IDI20040223000983

Medicare Billing Reassignment

Medicare enrollment records show William Gerwig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

B & d Chiropractic Inc
Same address
Chiropractor
4242 N FEDERAL HWY, SUITE C
Fort Lauderdale, FL 33308
  • Reassigned Medicare billing, Florida enrollment
NPI 1689915829 (954) 390-7071

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

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
589 services46 patients

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 William Gerwig's NPI number?

The NPI number for William Gerwig is 1104031244. It was assigned to this individual provider in the NPPES registry on May 11, 2007.

Where is William Gerwig located?

William Gerwig practices at 4242 N Federal Highway Suite C, Fort Lauderdale, FL 33308. The listed phone number is (954) 390-7071.

What is William Gerwig's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is William Gerwig enrolled in Medicare?

Yes. William Gerwig 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 organization bills Medicare for William Gerwig's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gerwig reassigns Medicare benefits to B & d Chiropractic Inc (Fort Lauderdale, FL). The 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 William Gerwig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Gerwig accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Providence Health Plan and 1 other insurer list William Gerwig 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.

When was this NPI record last updated?

The NPPES record for William Gerwig was last updated on January 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.