Daniel Allen Nadeau, MD
Endocrinology, Diabetes & Metabolism
Daniel Allen Nadeau is an Endocrinology, Diabetes & Metabolism specialist based in Newport Beach, CA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Daniel Allen Nadeau, MD practices as part of a group endocrinology, diabetes & metabolism specialist practice in Newport Beach, CA. Trained at Tufts University School of Medicine (class of 1988), he has been practicing for over 38 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and diabetes (per CMS data).
Older · 2956dNPPES updated 2018-04-20 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
510 Superior Ave Ste 150, Newport Beach, CA 92663-3663
How Does This Doctor Compare?
Generic Rx
↑ Higher = better56%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-26.8 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
425
Unique beneficiaries
Standard volumePrescription Recipients
590
Patients prescribed
Prescriptions Written
5,580
Total claims
Total Medicare drug cost: $2.92M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Diabetes.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+3%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+26%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-3%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+13%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-4%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-3%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-13%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$121.9k received from industry
227 transactions reported in 2024 ·Very High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Daniel Allen Nadeau's NPI.
Patient Reviews
No patient reviews yet. If you've seen Daniel Allen Nadeau, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Tufts University School of Medicine
38 years in practice
Senior practitioner
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Education & Training
Tufts University School of Medicine (Class of 1988)
Mailing address
510 Superior Ave Ste 200b, Newport Beach, CA 92663-3665
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 191308
View hospital on Medicare Care CompareVirtual Endocrinology, Diabetes & Metabolism Care With Daniel Allen Nadeau
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Daniel Allen Nadeau for cholesterol management, blood pressure monitoring, diabetes check-ins — no travel to Newport Beach required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Daniel Allen Nadeau
NPI records show Dr. Nadeau as active with telehealth listed in Newport Beach, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (949) 791-3001.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Daniel Allen Nadeau
Practice Location
510 Superior Ave Ste 150, Newport Beach, CA 92663-3663
Mailing Address
510 Superior Ave Ste 200b, Newport Beach, CA 92663-3665
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Endocrinology, Diabetes & Metabolism in California
See allGerson Charles Bernhard, MD
San Francisco, CA
John P. Kane, MD
San Francisco, CA
Yzhar Charuzi, M.D
Los Angeles, CA