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

Dr. Mariano Ramirez Librojo Jr., MD

Individual provider Internal Medicine Physician · NPI 1689867533

Dr. Mariano Ramirez Librojo Jr., MD is an Internal Medicine in Norwich, Connecticut. Qualified in 2003, 23 years ago. Practices with Windham Community Memorial Hospital Inc, a 64-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
23
Licensed in
CT
In the registry since
2007
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

326 Washington St
Norwich, CT 06360-2740
Phone: (860) 889-8331
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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 045898 (CT)

Record details

NPI number1689867533
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2007
Last updated in NPPESDecember 2, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Windham Community Memorial Hospital Inc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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