OrganizationActive
The Johns Hopkins Hospital
NPI 1992803266 · Clinical Medical Laboratory · Baltimore, MD
The Johns Hopkins Hospital is a Clinical Medical Laboratory organization in Baltimore, MD (NPI 1992803266).
Provider details
- NPI number
- 1992803266
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Johns Hopkins Hospital
- Organization subpart
- Yes
- Authorized official
- Ronald Werthman, Vice President, Treasurer, Cfo,jhhs(410) 955-6552
- License
- 008 (MD)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES 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
600 North Wolfe Street
Baltimore, MD 21287-6417
Phone: (410) 955-2660
Fax: (410) 955-5961
Street-level locationGet directions
Mailing address
Po Box 632050
Baltimore, MD 21263-2050
Other names (DBA / former)
- Other name
- Johns Hopkins Medical Laboratories
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2010-12-08
Frequently asked questions
- What is The Johns Hopkins Hospital's NPI number?
- The Johns Hopkins Hospital's National Provider Identifier (NPI) is 1992803266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Johns Hopkins Hospital?
- The Johns Hopkins Hospital is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is The Johns Hopkins Hospital located?
- The Johns Hopkins Hospital's practice location on file with NPPES is 600 North Wolfe Street, Baltimore, MD 21287-6417.
- What is The Johns Hopkins Hospital's phone number?
- The practice phone number listed in the NPPES registry for The Johns Hopkins Hospital is (410) 955-2660.
- Who is the authorized official for The Johns Hopkins Hospital?
- The authorized official listed on The Johns Hopkins Hospital's NPPES record is Ronald Werthman, Vice President, Treasurer, Cfo,jhhs. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Johns Hopkins Hospital's NPI active?
- Yes — The Johns Hopkins Hospital's NPI (1992803266) is active in the NPPES registry as of the last update on 2010-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.