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

Daniel Allen Nadeau, MD

Individual provider Internal Medicine Physician · NPI 1215902226

Daniel Allen Nadeau, MD is an Endocrinology in Newport Beach, California. Graduated from Tufts University School of Medicine in 1988, 38 years ago. Practices with Hoag Clinic, a 443-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California, Maine and New Hampshire.

Years since qualifying
38
Trained at
Tufts University School of Medicine
Licensed in
CA, ME, NH
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

510 Superior Ave Ste 150
Newport Beach, CA 92663-3663
Phone: (949) 791-3001
Fax: (949) 791-3096
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence G88930 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 11513 (NH)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 11513 (NH)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 013924 (ME)

Record details

NPI number1215902226
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2006
Last updated in NPPESApril 20, 2018

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Hoag Clinic — 443 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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