
36 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Marchiano, Internist in Hayward, CA?
Dr. Michael Marchiano, MD is an Internist, who primarily practices in Hayward, CA with 2 additional practice locations. He has been practicing for over 36 years and is board certified. Dr. Marchiano graduated from American University of The Caribbean / School of Medicine and completed his residency at Forest Park Hosp, Internal Medicine. Dr. Marchiano is fluent in English, Spanish, and Tagalog, and is not currently seeing new patients. Dr. Marchiano’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marchiano’s office at (510) 670-1111.
Where did Dr. Marchiano go to medical school and complete their residency?
Residency: Forest Park Hosp, Internal Medicine | Deaconess Hospital, St. Louis | Deaconess Hospital Program
Medical School: American Univ Of The Caribbean- Sch Of Med- Plymouth- Montserrat | American University of The Caribbean / School of Medicine | American University of The Caribbean; Plymouth, Montserrat | Our Lady of The Lake Program
Is Dr. Marchiano board certified as an Internist?
Yes, Dr. Michael Marchiano, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Marchiano speak?
Dr. Marchiano and their clinical team can communicate with patients in the following languages:
English
Spanish
Tagalog
What conditions does an Internist like Dr. Marchiano typically treat?
As an Internist, Dr. Marchiano diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Marchiano. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Late-Onset Alzheimer's Disease
- Alzheimer's Disease
- Alzheimer's Disease Fact Sheet
- Sporadic Alzheimer's
- Alzheimer's in Older Adults
ICD-10 Codes:
- G301: Alzheimer's disease with late onset
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Vitamin D Deficiency
- Low Vitamin D Levels
- Lack of Vitamin D
- Hypovitaminosis D
ICD-10 Codes:
- E559: Vitamin D deficiency, unspecified
What procedures does an Internist like Dr. Marchiano typically perform?
As an Internist, procedures performed by Dr. Michael Marchiano may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
Please contact Dr. Marchiano's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Marchiano accept my insurance?
Dr. Marchiano accepts most major insurance plans. Important: Please call our office at (510) 670-1111 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marchiano accept in Hayward, CA?
Dr. Marchiano in Hayward, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
Blue Shield of California
CVS Health (formerly Aetna)
Hill Physicians Medical Group
Medicare
Molina Healthcare
Other TPA
State of California
Sutter Health
UnitedHealth Group
View All Insurances
Where is Dr. Marchiano's office located?
Dr. Michael Marchiano's Primary Practice
27206 Calaroga Ave Ste 205
Hayward, CA 94545
(510) 670-1111
What hospitals are Dr. Marchiano affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Marchiano has admitting privileges at the following hospitals:
Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties

Ranked in 4 Procedures

Ranked in 2 Specialties
Ranked in 4 Procedures
Eden Medical Center,Castro Valley, CA
Ranked in 2 Specialties

Ranked in 2 Procedures

Ranked in 2 Specialties
Ranked in 2 Procedures
Uc Davis Medical Center,Sacramento, CA
Ranked Uterine and Ovarian Cancer Surgery

Ranked Uterine and Ovarian Cancer Surgery
Stanford Health Care - Stanford Hospital,Stanford, CA
Ranked in 6 Procedures

Ranked in 6 Procedures
Washington Hospital Healthcare System,Fremont, CA
Ranked in 2 Specialties

Ranked C-section surgery

Ranked in 2 Specialties
Ranked C-section surgery
Alameda Hospital,Alameda, CA
What is Dr. Marchiano's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marchiano's National Provider Identifier (NPI) number is 1275636276.
What common questions do patients ask about Dr. Marchiano?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marchiano
What is Dr. Michael Marchiano's specialty?
Dr. Marchiano is an Internist near Hayward, CA.
What does an Internist do?
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Is Dr. Michael Marchiano affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Marchiano is affiliated with Alta Bates Summit Medical Center - Summit Campus, Eden Medical Center, Uc Davis Medical Center, Stanford Health Care - Stanford Hospital, Washington Hospital Healthcare System which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Internist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Michael Marchiano accepting new patients in Hayward, CA?
No, Dr. Michael Marchiano is not accepting new patients at this time.
Does Dr. Michael Marchiano offer online booking?
Please contact Dr. Marchiano's office at (510) 670-1111 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Michael Marchiano?
Please contact Dr. Marchiano's office at (510) 670-1111 to schedule an appointment.
Where is Dr. Marchiano's office located?
Dr. Marchiano's offices are located in Hayward, CA, Fremont, CA, and Ashland, CA.
Which board certifications does Dr. Michael Marchiano have?
Dr. Michael Marchiano is certified by the American Board of Internal Medicine.
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