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

Dr. Rebecca E Anastos-Wallen, MD

Individual provider Internal Medicine Physician · NPI 1720576820

Dr. Rebecca E Anastos-Wallen, MD is an Internal Medicine in Chicago, Illinois. Graduated from Perelman School of Med at the University of Pennsylvania in 2018, 8 years ago. Practices with Osh - PA Physicians Group, PC, a 114-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
8
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2018
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

30 W Monroe St Ste 1200
Chicago, IL 60603-2420
Phone: (312) 733-9730
Fax: (773) 866-8014
Show map & directions

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

Additional practice locations (1)

  • 3400 Civic Center Blvd Fl 6, Philadelphia, PA 19104-5162 — (919) 974-8972

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD473831 (PA)

Record details

NPI number1720576820
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2018
Last updated in NPPESNovember 4, 2021
Certification dateNovember 4, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2018 (8 years in practice)
Group practice Osh - Pa Physicians Group, Pc — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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