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

Mark Welber, DO

Individual provider Emergency Medicine Physician · NPI 1285654244

Mark Welber, DO is an Emergency Medicine Physician in Livingston, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

94 Old Short Hills Rd
Livingston, NJ 07039-5672
Phone: (973) 322-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 25MB05675700 (NJ)

Record details

NPI number1285654244
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESJuly 13, 2022
Certification dateJuly 13, 2022
Mailing addressPo Box 717, Livingston, NJ 07039-0717

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