IndividualActiveAccepts Medicare

Brian Extein, MD

NPI 1780387993 · Student in an Organized Health Care Education/Training Program · Baltimore, MD

Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Provider details

NPI number: 1780387993
Entity type: Individual
Primary specialty: Student in an Organized Health Care Education/Training ProgramStudent, Health Care
Credential: MD
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Student in an Organized Health Care Education/Training ProgramPrimary390200000X
Student, Health Care

Profile Score

Established profile(52/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 yrs in NPPES registry
Profile completeness38% of score
83% 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

1800 Orleans St

Baltimore, MD 21287-0010

Phone: (410) 955-5000

Street-level locationGet directions

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Mailing address