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Meredith Maclay, MD
NPI 1427039452 · Emergency Medicine Physician · Manassas, VA
Meredith Maclay, MD is a Emergency Medicine Physician provider in Manassas, VA (NPI 1427039452).
Provider details
- NPI number
- 1427039452
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- 0101035928 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
8700 Sudley Rd
Prince William Hospital
Manassas, VA 20110-4418
Phone: (703) 369-8337
Fax: (703) 369-8868
Street-level locationGet directions
Mailing address
1300 Piccard Dr
Rockville, MD 20850-4303
Registry dates
- Enumerated
- 2005-11-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Meredith Maclay's NPI number?
- Meredith Maclay's National Provider Identifier (NPI) is 1427039452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Meredith Maclay's specialty?
- Meredith Maclay is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Meredith Maclay located?
- Meredith Maclay's practice location on file with NPPES is 8700 Sudley Rd, Manassas, VA 20110-4418.
- What is Meredith Maclay's phone number?
- The practice phone number listed in the NPPES registry for Meredith Maclay is (703) 369-8337.
- Is Meredith Maclay's NPI active?
- Yes — Meredith Maclay's NPI (1427039452) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.