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

Dr. Christopher Erwin Withers, MD

Individual provider Pediatrics Physician · NPI 1942612916

Dr. Christopher Erwin Withers, MD is an Internal Medicine in Portland, Maine. Graduated from New York Medical College in 2014, 12 years ago. Practices with Mainehealth, a 2,615-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
12
Trained at
New York Medical College
Licensed in
ME
In the registry since
2014
Specialties on file
3
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

22 Bramhall St
Portland, ME 04102
Phone: (207) 662-0111
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD22001 (ME)
Pediatrics Physician Taxonomy 208000000X · Licence MD22001 (ME)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1942612916
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2014
Last updated in NPPESJuly 12, 2018
Mailing address22 Bramhall St, Portland, ME 04102-3134

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST, PEDIATRIC MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2014 (12 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Portland