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

Individual provider Internal Medicine Physician · NPI 1275636276

Dr. Michael J Marchiano, MD is an Internal Medicine in Hayward, California. Qualified in 1986, 40 years ago. Practices with Dr Aditya Jain MD Inc, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
40
Licensed in
CA
In the registry since
2006
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

27206 Calaroga Ave Ste 205
Hayward, CA 94545-4300
Phone: (510) 670-1111
Fax: (510) 670-4772
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A46191 (CA)

Record details

NPI number1275636276
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2006
Last updated in NPPESApril 7, 2022
Certification dateApril 7, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Dr Aditya Jain Md Inc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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