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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARSHALL ALLEN WILLIAMS II DDS
NPI 1649962937
Dentist - General Practice in Montgomery, AL

Active since May 24, 2023PECOS Enrolled
3060 MOBILE HWY, MONTGOMERY, AL 36108(334) 293-6670 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2026, Jun 21, 2024, May 24, 2023 (3 updates tracked since 2023).

About Marshall Allen Williams Ii Dds NPPES

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

MARSHALL ALLEN WILLIAMS II DDS (NPI 1649962937) is an individual general practice provider in Montgomery, Alabama, licensed in Alabama (D.007308-C1) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Montgomery.

NPPES Registry Identity

NPI1649962937
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameMARSHALL ALLEN WILLIAMS IICredential: DDS
Location Address3060 MOBILE HWYMontgomery, AL 36108-4027
Mailing Address3060 Mobile HwyMontgomery, AL 36108-4027 · (334) 293-6670
Phone(334) 293-6670
Sole ProprietorYes
Enumeration DateMay 24, 2023
Last NPPES UpdateJuly 21, 20263 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1649962937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in AL · D.007308-C1
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
3060 MOBILE HWY, Montgomery, AL 36108
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Secondary Practice Location 1

Location 11845 Cherry StMontgomery, AL 36107-2613 · Phone (334) 420-5001

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Alabama, Delta Dental PPO and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marshall Allen Williams Ii Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36108 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
$81.90 typical visit price
range $52.65 – $161.63
Typical copayment $20.47 (range $13.16 – $40.40)
Most-billed visit code 99203
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. KEON ADDISON
Health Educator
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6502
MONTGOMERY COUNTY HEALTH DEPT VFC IMMUN
Public Health or Welfare
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6400
DEMETRIA POLLARD
Health Educator
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6502
MONTGOMERY COUNTY HEALTH DEPT EPSDT
Public Health or Welfare
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6400
MONTGOMERY COUNTY HEALTH DEPT PAT 1ST CM
Case Management
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6400
MARTINE ROCKER
Health Educator
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6502
JUDY WASHINGTON
Health Educator
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6502
TIFFANY PHILLIPS
Health Educator
3060 MOBILE HWY
MONTGOMERY, AL 36108
Montgomery County (334) 293-6502

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 Marshall Williams's NPI number?

The NPI number for Marshall Williams is 1649962937. It was assigned to this individual provider in the NPPES registry on May 24, 2023.

Where is Marshall Williams located?

Marshall Williams practices at 3060 Mobile Hwy, Montgomery, AL 36108. The listed phone number is (334) 293-6670.

What is Marshall Williams's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Marshall Williams enrolled in Medicare?

Yes. Marshall Williams is registered in the Medicare PECOS enrollment system.

What insurance does Marshall Williams accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Alabama, Delta Dental PPO, Guardian and HRI Dental & Vision and 5 other insurers list Marshall 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 Marshall Williams was last updated on July 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.