Active NPI
Plat1 LLC
- Allergy & Immunology Physician
- Baltimore, MD
National Provider Identifier
1609757822
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology Physician
- Legal business name
- PLAT1 LLC
- Practice address
- 314 Wyndhurst Ave
Baltimore, MD 21210-2416 - Phone
- (410) 717-5012
- Fax
- (410) 413-0263
- NPI assigned
- Sep 12, 2025
- Last updated
- Sep 12, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Julia Wisniewski, MD
- Title
- Physician
- Phone
- (410) 717-5012
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy & Immunology Physician | 207K00000X | NU | Primary |
Addresses
Primary practice location
314 Wyndhurst Ave
Baltimore, MD 21210-2416
Mailing address
201 Woodlawn Rd
Baltimore, MD 21210-2546
Phone (410) 717-5012
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Pediatric Allergy/Immunology Physician
- Baltimore, MD
- NPI 1205095593
Allergy & Immunology
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1757635200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1757635200000",
"number": "1609757822",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "201 WOODLAWN RD",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212102546",
"telephone_number": "410-717-5012",
"fax_number": "410-413-0263"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "314 WYNDHURST AVE",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212102416",
"telephone_number": "410-717-5012",
"fax_number": "410-413-0263"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "PLAT1 LLC",
"organizational_subpart": "NO",
"enumeration_date": "2025-09-12",
"last_updated": "2025-09-12",
"certification_date": "2025-09-12",
"status": "A",
"authorized_official_last_name": "WISNIEWSKI",
"authorized_official_first_name": "JULIA",
"authorized_official_title_or_position": "PHYSICIAN",
"authorized_official_telephone_number": "410-717-5012",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Baltimore, MD
- Stephen J Plantholt, M.D.
- Brian Plasil, M.D.
- John Michael Plaster, M.S., CAC-AD
- Plastic & Cosmetic Surgeons, P.a. (Belvedere Surgery Center)
- Plastic Cosmetic Surgeons PA
- Loretta Vanessa Plater, LMT
- Tracey Plater
- Nicole Plath, RDN
- Platinum Nursing and Assisted Living LLC (Platinum Living Services)
- Carrie-Anne Michie Platt
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.