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

Dr. Stefan Cadag, DO

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1841408721

Dr. Stefan Cadag, DO is an Endocrinology in Seal Beach, California. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2004, 22 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
22
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
CA
In the registry since
2007
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

1198 Pacific Coast Hwy Ste 1
Seal Beach, CA 90740-6251
Phone: (562) 799-7071
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 20A14859 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A14859 (CA)

Record details

NPI number1841408721
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 21, 2007
Last updated in NPPESFebruary 23, 2026
Certification dateFebruary 23, 2026
Mailing addressPo Box 35380, Las Vegas, NV 89133-5380

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2004 (22 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare