Brent Orr, M.D., PH.D.
NPI 1790983542 · Anatomic Pathology & Clinical Pathology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brent Orr, M.D., PH.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Baltimore, MD (NPI 1790983542).
Provider details
- NPI number
- 1790983542
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- RESIDENT (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2007-07-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Brent Orr's NPI number?
- Brent Orr's National Provider Identifier (NPI) is 1790983542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brent Orr's specialty?
- Brent Orr is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Brent Orr located?
- Brent Orr's practice location on file with NPPES is The Johns Hopkins Hospital Department of Pathology, Baltimore, MD 21287-0005.
- What is Brent Orr's phone number?
- The practice phone number listed in the NPPES registry for Brent Orr is (410) 955-3980.
- Does Brent Orr accept Medicare?
- Brent Orr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brent Orr's NPI active?
- Yes — Brent Orr's NPI (1790983542) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.