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

Dr. Warren Lewis Fields, MD

Individual provider Internal Medicine Physician · NPI 1821083999

Dr. Warren Lewis Fields, MD is an Internal Medicine in Mystic, Connecticut. Graduated from University of Connecticut School of Medicine in 1991, 35 years ago. Practices with Hospital Medicine Associates LLC, a 207-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
35
Trained at
University of Connecticut School of Medicine
Licensed in
CT
In the registry since
2005
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

200 Sandy Hollow Rd
Mystic, CT 06355-1720
Phone: (860) 572-8911
Fax: (860) 572-7758
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 035098 (CT)

Record details

NPI number1821083999
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2005
Last updated in NPPESDecember 22, 2009
Mailing address200 Sandy Hollow Rd, Mystic, CT 06355-1720

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Hospital Medicine Associates Llc — 207 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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