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

Dr. Mariann C. Jacob, MD

Individual provider Pediatrics Physician · NPI 1811301799

Dr. Mariann C. Jacob, MD is a Pediatrics Physician in New York, New York. Works from 4 locations. Licensed in Illinois, New York and Wisconsin.

Licensed in
IL, NY, WI
In the registry since
2014
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

430 E 34th St
New York, NY 10016
Phone: (866) 733-7698
Fax: (212) 562-6019
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 801 S Milwaukee Ave, Libertyville, IL 60048-3204 — (847) 990-5260
  • 9000 W Wisconsin Ave, Milwaukee, WI 53226-4874 — (414) 337-7050
  • 3801 Spring St, Mount Pleasant, WI 53405-1667 — (262) 337-7050

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 316056 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 62609-20 (WI)
Pediatrics Physician Taxonomy 208000000X · Licence 036.35602 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 62609 (WI)

Record details

NPI number1811301799
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2014
Last updated in NPPESMarch 19, 2024
Certification dateMarch 19, 2024

Other providers in New York