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MR. KEITH ALLEN WILLIAMS ARNP
NPI 1629029582
Nurse Practitioner - Family in Jacksonville, FL

Active since May 15, 2006PECOS EnrolledAccepts Medicare Assignment
515 W 6TH ST # MC-66, JACKSONVILLE, FL 32206(904) 253-1040(904) 253-1961 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Keith Allen Williams Arnp NPPES

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

MR. KEITH ALLEN WILLIAMS ARNP (NPI 1629029582) is an individual family provider in Jacksonville, Florida, licensed in Florida (ARNP2854262) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1629029582
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. KEITH ALLEN WILLIAMSCredential: ARNP
Location Address515 W 6TH ST # MC-66Jacksonville, FL 32206-4324
Mailing Address921 North Davis Street, Building B, Suite 315Jacksonville, FL 32209 · (904) 253-1040 · Fax (904) 253-1942
Phone(904) 253-1040
Fax(904) 253-1961
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 15, 2006
Last NPPES UpdateDecember 2, 2021
NPPES CertifiedDecember 2, 2021
✔ NPI 1629029582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in FL · ARNP2854262
515 W 6TH ST # MC-66, Jacksonville, FL 32206
Open in Google Maps ↗

Other Identifiers 2

Medicaid3051374-00FL
Medicaid305137400FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Mr. Keith Allen Williams Arnp 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 ID1951486109
PECOS Enrollment IDI20080312000039
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

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

Florida Department Of Health
Same address
Public Health or Welfare
515 W 6TH ST
Jacksonville, FL 32206
  • Reassigned Medicare billing, Florida enrollment
  • 16 clinicians in this Medicare group
NPI 1528034170 (904) 253-1639

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Keith Williams's NPI number?

The NPI number for Keith Williams is 1629029582. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Keith Williams located?

Keith Williams practices at 515 W 6th St # Mc-66, Jacksonville, FL 32206. The listed phone number is (904) 253-1040.

What is Keith Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Keith Williams enrolled in Medicare?

Yes. Keith Williams 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 Keith Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keith Williams reassigns Medicare benefits to Florida Department Of Health (Jacksonville, 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 Keith Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Keith Williams accept?

Health plans from UnitedHealthcare list Keith Williams 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 Keith Williams was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.