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

Jonathan S Warnelo, DO

Individual provider Hospitalist Physician · NPI 1467980854

Jonathan S Warnelo, DO is an Internal Medicine in Garden Grove, California. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016, 10 years ago. Practices with Pathway Medical Group Inc, a 17-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
CA
In the registry since
2017
Specialties on file
2
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

12665 Garden Grove Blvd #502
Garden Grove, CA 92843-1904
Phone: (714) 537-7800
Fax: (714) 537-7633
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 20A16595 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 20A16595 (CA)

Record details

NPI number1467980854
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 30, 2017
Last updated in NPPESSeptember 20, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2016 (10 years in practice)
Group practice Pathway Medical Group Inc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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