Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark D Niehaus, MD

Individual provider Pediatrics Physician · NPI 1972541548

Mark D Niehaus, MD is an Internal Medicine in Charlottesville, Virginia. Graduated from Warren Alpert Medical School of Brown University in 2003, 23 years ago. Practices with Martha Jefferson Medical Group LLC, a 191-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
23
Trained at
Warren Alpert Medical School of Brown University
Licensed in
VA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

416 Albemarle Sq
Charlottesville, VA 22901-7400
Phone: (434) 422-1919
Fax: (434) 402-4510
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101234414 (VA)
Pediatrics Physician Taxonomy 208000000X · Licence 0101234414 (VA)

Record details

NPI number1972541548
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2006
Last updated in NPPESApril 7, 2025
Certification dateApril 7, 2025
Mailing address406 Albemarle Sq, Charlottesville, VA 22901-7400

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 2003 (23 years in practice)
Group practice Martha Jefferson Medical Group Llc — 191 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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