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

Dr. Ronald D Hertz, DO

Individual provider Adolescent Medicine (Internal Medicine) Physician · NPI 1053304816

Dr. Ronald D Hertz, DO is an Internal Medicine in Grosse Pointe Woods, Michigan. Graduated from New York Medical College in 1989, 37 years ago. Practices with Henry Ford Health St John Hospital, a 330-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
37
Trained at
New York Medical College
Licensed in
MI
In the registry since
2005
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

19251 Mack Ave
Grosse Pointe Woods, MI 48236-2893
Phone: (313) 343-3749
Fax: (313) 343-7921
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 5101010791 (MI)
Adolescent Medicine (Internal Medicine) Physician Taxonomy 207RA0000X · Licence 5101010791 (MI)
Pediatrics Physician Taxonomy 208000000X · Licence 5101010791 (MI)

Record details

NPI number1053304816
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 26, 2005
Last updated in NPPESApril 16, 2021
Certification dateApril 16, 2021
Mailing address22201 Moross, 270, Detroit, MI 48236-1136

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1989 (37 years in practice)
Group practice Henry Ford Health St. John Hospital — 330 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare