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DR. DOUGLAS MCWILLIAMS MD
NPI 1851897318
Psychiatry & Neurology - Psychiatry in Columbia, MD

Active since April 03, 2018Opted out of Medicare · through Apr 1, 2028
7330 GRACE DR STE B, COLUMBIA, MD 21044(301) 485-6797(833) 212-1523 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 4, 2026, Nov 19, 2025, Mar 14, 2025 and 1 more (4 updates tracked since 2020).

About Dr. Douglas Mcwilliams Md NPPES

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

DR. DOUGLAS MCWILLIAMS MD (NPI 1851897318) is an individual psychiatry provider in Columbia, Maryland, licensed in Maryland (D0102833) and active in the NPI registry since April 2018. He has opted out of Medicare through April 1, 2028 and remains eligible to order and refer and is a graduate of Rush Medical College Of Rush University (2018).

NPPES Registry Identity

NPI1851897318
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. DOUGLAS MCWILLIAMSCredential: MD
Location Address7330 GRACE DR STE BColumbia, MD 21044-3392
Mailing Address7330 Grace Dr Ste BColumbia, MD 21044-3392 · (301) 485-6797 · Fax (833) 212-1523
Phone(301) 485-6797
Fax(833) 212-1523
Sole ProprietorYes
Medical School CMSRush Medical College Of Rush UniversityGraduated 2018
Enumeration DateApril 3, 2018
Last NPPES UpdateJune 12, 20264 updates tracked since enumeration
NPPES CertifiedJune 12, 2026
✔ NPI 1851897318 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 MD · D0102833
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.
7330 GRACE DR STE B, Columbia, MD 21044
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Douglas Mcwilliams Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2026 through April 1, 2028.

Opt-Out Effective DateApril 1, 2026
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21044 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

KATHLEEN VAN METER LCSW-C
Social Worker (Clinical)
7330 GRACE DR STE B
COLUMBIA, MD 21044
Howard County (443) 864-2131
JASMINE PARLETT LCSW-C
Social Worker (Clinical)
7330 GRACE DR STE B
COLUMBIA, MD 21044
Howard County (443) 494-9550
DR. ANN ASPNES, LLC
Psychologist (Clinical)
7330 GRACE DR STE B
COLUMBIA, MD 21044
Howard County (410) 740-2468

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 Douglas Mcwilliams's NPI number?

The NPI number for Douglas Mcwilliams is 1851897318. It was assigned to this individual provider in the NPPES registry on April 3, 2018.

Where is Douglas Mcwilliams located?

Douglas Mcwilliams practices at 7330 Grace Dr Ste B, Columbia, MD 21044. The listed phone number is (301) 485-6797.

What is Douglas Mcwilliams's specialty?

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

Is Douglas Mcwilliams enrolled in Medicare?

No. Douglas Mcwilliams has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Douglas Mcwilliams was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days 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.