JOHNS HOPKINS UNIVERSITY
NPI 1942812144
Preventive Medicine - Addiction Medicine in Baltimore, MD
About Johns Hopkins University NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHNS HOPKINS UNIVERSITY (NPI 1942812144), doing business as Jhu - Addiction Medicine, is a healthcare organization registered as an addiction medicine in Baltimore, Maryland and active in the NPI registry since August 2020. The organization maintains 2 additional practice locations and lists Nicholas Giarratano, Director, Provider Enrollment, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Johns Hopkins University is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
21Medicare enrollment records show 21 clinicians reassign Medicare billing to Johns Hopkins University, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 21Baltimore, MD 21224
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Johns Hopkins University's NPI number?
The NPI number for Johns Hopkins University is 1942812144. It was assigned to this organization in the NPPES registry on August 19, 2020. The provider is doing business as Jhu - Addiction Medicine.
Where is Johns Hopkins University located?
Johns Hopkins University is located at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Johns Hopkins University's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.
Is Johns Hopkins University enrolled in Medicare?
Yes. Johns Hopkins University is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Johns Hopkins University?
According to the CMS Revalidation Reassignment List (October 2026 release), 21 clinicians in 6 Medicare specialties reassign their Medicare billing to Johns Hopkins University. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (8), Nurse Practitioner (8) and Hospitalist (2). Of these, 1 practice at this address and 20 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Johns Hopkins University was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Johns Hopkins University · NPI 1942812144
Addiction Medicine organization in Baltimore, Maryland. Organization record, active in the CMS NPPES registry since August 19, 2020.
## Identity
- **NPI:** 1942812144 (Entity type: Organization)
- **Enumerated:** August 19, 2020
- **Primary specialty:** Preventive Medicine - Addiction Medicine · taxonomy 2083A0300X
- **Also known as:** JHU - ADDICTION MEDICINE (Doing Business As)
- **Organization subpart:** Yes (part of Johns Hopkins University)
- **Authorized official:** Nicholas Giarratano, DIRECTOR, PROVIDER ENROLLMENT
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 21 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (8), Nurse Practitioner (8), Hospitalist (2); 1 practice at this address and 20 within 10 miles; [full list](https://npiprofile.com/npi/1942812144/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 3, 2025
- **Other identifiers:** Medicaid 131688503 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1942812144) · Data from the CMS NPPES public registry.