OrganizationActive
Plat1 LLC
NPI 1609757822 · Allergy & Immunology Physician · Baltimore, MD
Plat1 LLC is a Allergy & Immunology Physician organization in Baltimore, MD (NPI 1609757822).
Provider details
- NPI number
- 1609757822
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Julia Wisniewski, Physician(410) 717-5012
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
314 Wyndhurst Ave
Baltimore, MD 21210-2416
Phone: (410) 717-5012
Fax: (410) 413-0263
Street-level locationGet directions
Mailing address
201 Woodlawn Rd
Baltimore, MD 21210-2546
Registry dates
- Enumerated
- 2025-09-12
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Plat1 LLC's NPI number?
- Plat1 LLC's National Provider Identifier (NPI) is 1609757822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Plat1 LLC?
- Plat1 LLC is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Plat1 LLC located?
- Plat1 LLC's practice location on file with NPPES is 314 Wyndhurst Ave, Baltimore, MD 21210-2416.
- What is Plat1 LLC's phone number?
- The practice phone number listed in the NPPES registry for Plat1 LLC is (410) 717-5012.
- Who is the authorized official for Plat1 LLC?
- The authorized official listed on Plat1 LLC's NPPES record is Julia Wisniewski, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Plat1 LLC's NPI active?
- Yes — Plat1 LLC's NPI (1609757822) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.