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Douglas Mcwilliams, MD
NPI 1851897318 · Psychiatry Physician · Columbia, MD
Douglas Mcwilliams, MD is a Psychiatry Physician provider in Columbia, MD (NPI 1851897318).
Provider details
- NPI number
- 1851897318
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0102833 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
7330 Grace Dr Ste B
Columbia, MD 21044-3392
Phone: (301) 485-6797
Fax: (301) 208-1178
Street-level locationGet directions
Mailing address
7330 Grace Dr Ste B
Columbia, MD 21044-3392
Registry dates
- Enumerated
- 2018-04-03
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Douglas Mcwilliams's NPI number?
- Douglas Mcwilliams's National Provider Identifier (NPI) is 1851897318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Mcwilliams's specialty?
- Douglas Mcwilliams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Mcwilliams located?
- Douglas Mcwilliams's practice location on file with NPPES is 7330 Grace Dr Ste B, Columbia, MD 21044-3392.
- What is Douglas Mcwilliams's phone number?
- The practice phone number listed in the NPPES registry for Douglas Mcwilliams is (301) 485-6797.
- Is Douglas Mcwilliams's NPI active?
- Yes — Douglas Mcwilliams's NPI (1851897318) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.