1. Home
  2. Directory
  3. Alabama
  4. Huntsville
  5. Psychiatry Neurology
  6. NPI Profile

DR. DEBRA L WILLIAMS DO
NPI 1992762231
Psychiatry & Neurology - Psychiatry in Huntsville, AL

Active since April 28, 2006PECOS Enrolled
1015 AIRPORT RD SW STE 204, HUNTSVILLE, AL 35802(256) 883-7031(256) 883-7032 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Mar 31, 2021, Apr 2, 2020 (3 updates tracked since 2020).

About Dr. Debra L Williams Do NPPES

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

DR. DEBRA L WILLIAMS DO (NPI 1992762231) is an individual psychiatry provider in Huntsville, Alabama, licensed in Alabama (DO 764) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1992762231
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. DEBRA L WILLIAMSCredential: DO
Location Address1015 AIRPORT RD SW STE 204Huntsville, AL 35802-1394
Mailing Address1015 Airport Rd Sw Ste 204Huntsville, AL 35802-1394 · (256) 883-7031 · Fax (256) 883-7032
Phone(256) 883-7031
Fax(256) 883-7032
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateApril 28, 2006
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPPES CertifiedMarch 31, 2021
✔ NPI 1992762231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AL · DO 764
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1015 AIRPORT RD SW STE 204, Huntsville, AL 35802
Open in Google Maps ↗

Other Names 1

Professional Name (2)Debra Williams Do

Secondary Practice Locations 2

Location 15604 Fort Benton WayLawrence, KS 66049-4925 · Phone (256) 714-0551
Location 22851 S Parker Rd Ste 112Aurora, CO 80014-2729 · Phone (256) 714-0551

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware 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. Debra L Williams Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022082254
PECOS Enrollment IDI20211007002582
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 Debra Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Interpersonal Psychiatry, LLC
561 mi
Psychiatry
1045 E 23RD ST
Lawrence, KS 66046
  • Reassigned Medicare billing, Kansas enrollment
  • 31 clinicians in this Medicare group
NPI 1134556087 (785) 393-6167

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
53 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35802 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
$161.63 typical visit price
range $52.65 – $161.63
Typical copayment $40.40 (range $13.16 – $40.40)
Most-billed visit code 99205
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 2

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

RED 2 BLACK CONSULTING , LLC
Nurse Practitioner (Psychiatric/Mental Health)
1015 AIRPORT RD SW STE 204
HUNTSVILLE, AL 35802
Madison County (256) 883-7031
TAMMY MICHELLE ROMIG M.S., L.P.C.
Counselor
1015 AIRPORT RD SW STE 204
HUNTSVILLE, AL 35802
Madison County (256) 883-7031

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 Debra Williams's NPI number?

The NPI number for Debra Williams is 1992762231. It was assigned to this individual provider in the NPPES registry on April 28, 2006. The provider is also known as Debra Williams Do.

Where is Debra Williams located?

Debra Williams practices at 1015 Airport Rd SW Ste 204, Huntsville, AL 35802. The listed phone number is (256) 883-7031.

What is Debra Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Debra Williams enrolled in Medicare?

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

Which organization bills Medicare for Debra Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Debra Williams reassigns Medicare benefits to Interpersonal Psychiatry, LLC (Lawrence, KS). 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 Debra Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Debra Williams accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas, Inc. and 2 other insurers list Debra 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 Debra Williams was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.