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

Individual provider Emergency Medicine Physician · NPI 1013966217

Dr. Marilyn Althoff, MD is an Emergency Medicine in Morristown, New Jersey. Graduated from University of Maryland School of Medicine in 1986, 40 years ago. Practices with Morristown Emergency Medical Associates LLC, a 81-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
40
Trained at
University of Maryland School of Medicine
Licensed in
NJ
In the registry since
2006
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

100 Madison Ave
Morristown, NJ 07960-6136
Phone: (800) 290-5309
Fax: (803) 434-4354
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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 MA54593 (NJ)

Record details

NPI number1013966217
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2006
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 7313, Columbia, SC 29202-7313

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Morristown Emergency Medical Associates Llc — 81 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Morristown