JOHNS HOPKINS UNIVERSITY
NPI 1801891080
Internal Medicine - Cardiovascular Disease 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 1801891080), doing business as Jhu - Cardiology, is a healthcare organization registered as a cardiovascular disease in Baltimore, Maryland and active in the NPI registry since June 2005. The organization lists Nicholas Giarratano, Director Provider Enrollment, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Other Identifiers 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation 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).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
4,467Medicare enrollment records show 4,467 clinicians reassign Medicare billing to Johns Hopkins University, which bills Medicare for the services they deliver. Of these, 491 practice at this address and 3,152 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 74
Nearest to this location (20)
See all 4,467Source: 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 1801891080. It was assigned to this organization in the NPPES registry on June 15, 2005. The provider is doing business as Jhu - Cardiology.
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) 933-4397.
What is Johns Hopkins University's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Johns Hopkins University enrolled in Medicare?
Yes. Johns Hopkins University is registered in the Medicare PECOS enrollment system.
When is Johns Hopkins University's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Maryland, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Johns Hopkins University?
According to the CMS Revalidation Reassignment List (October 2026 release), 4,467 clinicians in 74 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 Nurse Practitioner (534), Anesthesiology (309) and Certified Registered Nurse Anesthetist (CRNA) (299). Of these, 491 practice at this address and 3,152 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 July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 1801891080
Cardiovascular Disease organization in Baltimore, Maryland. Organization record, active in the CMS NPPES registry since June 15, 2005.
## Identity
- **NPI:** 1801891080 (Entity type: Organization)
- **Enumerated:** June 15, 2005
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Also known as:** JHU - CARDIOLOGY (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Nicholas Giarratano, DIRECTOR PROVIDER ENROLLMENT
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 933-4397
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Maryland, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 4,467 clinicians in 74 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (534), Anesthesiology (309), Certified Registered Nurse Anesthetist (CRNA) (299); 491 practice at this address and 3,152 within 10 miles; [full list](https://npiprofile.com/npi/1801891080/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 9, 2026
- **Other identifiers:** Other CL0061 (MD); Medicaid 767051600 (MD); Medicaid 099240700 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1801891080) · Data from the CMS NPPES public registry.