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

John Alexander Zambrano, MD, MHS

Individual provider Internal Medicine Physician · NPI 1730422593

John Alexander Zambrano, MD, MHS is an Internal Medicine in Boston, Massachusetts. Qualified in 2013, 13 years ago. Practices with Atrius Health Inc, a 1,205-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
13
Licensed in
MA
In the registry since
2013
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

147 Milk St
Boston, MA 02109-4806
Phone: (617) 654-7200
Fax: (617) 654-7165
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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 266903 (MA)

Record details

NPI number1730422593
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MHS
Sole proprietorNo
NPI enumeratedMarch 30, 2013
Last updated in NPPESNovember 17, 2020
Certification dateNovember 17, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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