DR. DENNIS MARK CLARK D.M.D., M.D
NPI 1649255720
Dentist - Oral and Maxillofacial Surgery in Birmingham, AL

Q: What is Dennis Clark's NPI number?

The NPI number for Dennis Clark is 1649255720. It was assigned to this individual provider in the NPPES registry on December 12, 2005.

Q: What is Dennis Clark's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Q: When was this NPI record last updated?

The NPPES record for Dennis Clark was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.

Active since December 12, 2005PECOS Enrolled

1500 19TH ST S, SUITE 200, BIRMINGHAM, AL 35205(205) 933-2773(205) 933-5147 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Dennis Mark Clark D.m.d., M.d NPPES

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

DR. DENNIS MARK CLARK D.M.D., M.D (NPI 1649255720) is an individual oral and maxillofacial surgery provider in Birmingham, Alabama, licensed in Alabama (3236) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1980).

NPPES Registry Identity

NPI1649255720

Entity TypeIndividualMale

Primary Taxonomy1223S0112X

Provider Legal NameDR. DENNIS MARK CLARKCredential: D.M.D., M.D

Location Address1500 19TH ST S, SUITE 200Birmingham, AL 35205-5628

Mailing Address1500 19th St S, Suite 200Birmingham, AL 35205-5628 · (205) 933-2773 · Fax (205) 933-5147

Phone(205) 933-2773

Fax(205) 933-5147

Sole ProprietorNo

Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1980

Enumeration DateDecember 12, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1649255720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers

Taxonomy Code1223S0112X

License✔ Licensed in AL · 3236

Definition

An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.

1500 19TH ST S, Birmingham, AL 35205

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee 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 (PECOS)

Dr. Dennis Mark Clark D.m.d., M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1355487604

PECOS Enrollment IDI20100720000310

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 Dennis Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Oral & Facial Surgery Of Al, PC

5.6 mi

Specialist

1500 19TH ST S, SUITE 200
Birmingham, AL 35205

Reassigned Medicare billing, Alabama enrollment
3 clinicians in this Medicare group

NPI 1245340892 (205) 933-2773

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 35205 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 3

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

ORAL & FACIAL SURGERY OF AL, PC

Specialist

1500 19TH ST S, SUITE 200
BIRMINGHAM, AL 35205

Jefferson County (205) 933-2773

DR. JON D HOLMES D.M.D.,M.D.,F.A.C.S.

Dentist (Oral and Maxillofacial Surgery)

1500 19TH ST S, SUITE 200
BIRMINGHAM, AL 35205

Jefferson County (205) 933-2773

CHRISTOPHER BLAKE SMITH D.M.D., M.D.

Dentist (Oral and Maxillofacial Surgery)

1500 19TH ST S
BIRMINGHAM, AL 35205

Jefferson County (205) 933-2773

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 Dennis Clark's NPI number?

The NPI number for Dennis Clark is 1649255720. It was assigned to this individual provider in the NPPES registry on December 12, 2005.

Where is Dennis Clark located?

Dennis Clark practices at 1500 19th St S Suite 200, Birmingham, AL 35205. The listed phone number is (205) 933-2773.

What is Dennis Clark's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Dennis Clark enrolled in Medicare?

Yes. Dennis Clark is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dennis Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Clark reassigns Medicare benefits to Oral & Facial Surgery Of Al, PC (Birmingham, AL). 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 Dennis Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dennis Clark accept?

Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, BEST Life and Blue Cross and Blue Shield of Alabama and 11 other insurers list Dennis Clark 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 Dennis Clark was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.