Active NPI
Johns Hopkins University
- Internal Medicine Physician
- Frederick, MD
National Provider Identifier
1679443188
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- Legal business name
- JOHNS HOPKINS UNIVERSITY
- Practice address
- 400 W 7TH St
Frederick, MD 21701-4506 - Phone
- (240) 566-3300
- NPI assigned
- Nov 10, 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
- Nicholas Giarratano
- Title
- Director, Prov Enrollment
- Phone
- (410) 933-0000
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | Primary |
Addresses
Primary practice location
400 W 7TH St
Frederick, MD 21701-4506
Mailing address
6201 Greenleigh Ave
Baltimore, MD 21220-2004
Phone (410) 933-6423
Other names 1
- JHU - 400 W 7TH ST - PROVIDER TYPE 20
National Provider Directory
National Provider Directory- Tax ID family
- Johns Hopkins Univ Emer
Organizations with this tax ID in the same state 24
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
- General Acute Care Hospital
- Baltimore, MD
- NPI 1699020917
-
- Pediatric Rheumatology Physician
- Baltimore, MD
- NPI 1659368181
-
- Pediatrics Physician
- Baltimore, MD
- NPI 1659846178
-
- Internal Medicine Physician
- Belcamp, MD
- NPI 1669332383
-
- Internal Medicine Physician
- Frederick, MD
- NPI 1669332516
-
- Internal Medicine Physician
- Columbia, MD
- NPI 1669335162
-
- Pediatric Emergency Medicine (Pediatrics) Physician
- Baltimore, MD
- NPI 1669947180
-
- Durable Medical Equipment & Medical Supplies
- Nottingham, MD
- NPI 1679368856
-
- Internal Medicine Physician
- Baltimore, MD
- NPI 1679417158
-
- Internal Medicine Physician
- Baltimore, MD
- NPI 1679433320
-
- Internal Medicine Physician
- Columbia, MD
- NPI 1679433643
-
- Internal Medicine Physician
- Columbia, MD
- NPI 1679436174
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1762732800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1762732800000",
"number": "1679443188",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6201 GREENLEIGH AVE",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212202004",
"telephone_number": "410-933-6423"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "400 W 7TH ST",
"city": "FREDERICK",
"state": "MD",
"postal_code": "217014506",
"telephone_number": "240-566-3300"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "JOHNS HOPKINS UNIVERSITY",
"organizational_subpart": "NO",
"enumeration_date": "2025-11-10",
"last_updated": "2025-11-10",
"certification_date": "2025-11-10",
"status": "A",
"authorized_official_last_name": "GIARRATANO",
"authorized_official_first_name": "NICHOLAS",
"authorized_official_title_or_position": "DIRECTOR, PROV ENROLLMENT",
"authorized_official_telephone_number": "410-933-0000"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "JHU - 400 W 7TH ST - PROVIDER TYPE 20",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Frederick, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 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.