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

Mr. Ian Fernando Guillen Alvarez, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1801465166

Mr. Ian Fernando Guillen Alvarez, MD is an Internal Medicine in Bridgeport, Connecticut. Qualified in 2017, 9 years ago. Practices with Hartford Healthcare Medical Group Specialists PLLC, a 1,537-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
9
Licensed in
CT
In the registry since
2021
Specialties on file
2
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

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Bridgeport, CT
Fax: (475) 210-5022

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 76275 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1801465166
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2021
Last updated in NPPESJune 12, 2024
Certification dateJune 12, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Hartford Healthcare Medical Group Specialists Pllc — 1537 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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