Dr. Peter M O'day , MD
Pediatrics • Mansfield, OH
Professional Overview & Biography Verified Profile Summary
Dr. Peter O'Day, MD is a registered healthcare professional specializing in Pediatrics in Mansfield, OH. Practice services are available at 335 GLESSNER AVE under active NPI credentials.
Practice Location & Contact Primary Location
335 Glessner Ave
Mansfield, OH 449032269
Specialty Benchmarks & Practice Insights
Comparative analytics for Pediatrics in Mansfield, OH
Practicing in Mansfield, OH (3057 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-04-16NUCC Taxonomy Code: 208000000X
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
NUCC Taxonomy Code: 2080P0204X
A pediatrician who has special qualifications to manage emergencies in infants and children.
NUCC Taxonomy Code: 208M00000X
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Additional State Medicaid & Healthcare Payer Identifiers
Secondary Practice Locations
700 Childrens Dr
Columbus, OH 432052664
Phone: 6147222000
272 Hospital Rd
Chillicothe, OH 456019031
Phone: 7407797500
730 W Market St
Lima, OH 458014602
Phone: 4192273361
100 Colemans Crossing Blvd
Marysville, OH 430407080
Phone: 9375787600
1350 Stringtown Rd
Grove City, OH 431239743
Phone: 6147222000
7901 Diley Rd Ste 150
Canal Winchester, OH 431109613
Phone: 6143559050
7450 Hospital Dr Ste 100
Dublin, OH 430168364
Phone: 6143557000
6435 E Broad St
Columbus, OH 432131507
Phone: 6143558100
433 N Cleveland Ave
Westerville, OH 430828095
Phone: 6143558300
4363 All Seasons Dr Ste 100
Hilliard, OH 430262050
Phone: 6143555900
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Audiologist
Doctor of Audiology
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Internal Medicine - Endocrinology, Diabetes & Metabolism
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Emergency Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Pediatrics (License #35.151194 in OH)
Registered at 335 GLESSNER AVE, MANSFIELD, OH 449032269 (Tel: 4195268136)
Pediatrics (License #35.151194 in OH)
Registered at 225 E CHICAGO AVE, CHICAGO, IL 606112991 (Tel: 3122274000)
Registered at 700 CHILDRENS DR, COLUMBUS, OH 432052664 (Tel: 6147222000)
Hospitalist (License #35.151194 in OH)
Registered at PO BOX 775383, CHICAGO, IL 606775383 (Tel: 8123765315)
Pediatrics (License #036.161811 in IL)
Student in an Organized Health Care Education/Training Program
Registered at 2400 17TH ST, COLUMBUS, IN 472015351 (Tel: 8123794441)
Registered at 2400 17TH ST, COLUMBUS, IN 472015351 (Tel: 8123794441)
Pediatrics (License #01085731A in IN)
NPI status registered as active in NPPES database
Registered at 3333 BURNET AVENUE, MLC 5018, CINCINNATI, OH 45229 (Tel: 5136364315)
Registered at 3333 BURNET AVENUE, MLC 5018, CINCINNATI, OH 45229 (Tel: 5136364315)
Recorded as PETER O'DAY, MD
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
700 Childrens Dr
Columbus, OH 432052664
Phone: 6147222000
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.