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

Debra Adler-Klein, MD

Individual provider Infectious Disease Physician · NPI 1245278886

Debra Adler-Klein, MD is an Internal Medicine in Danbury, Connecticut. Qualified in 1984, 42 years ago. Practices with Optimus Health Care Inc, a 77-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
42
Licensed in
CT
In the registry since
2006
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

79 Sand Pit Rd
Danbury, CT 06810-4005
Phone: (203) 749-5700
Fax: (203) 383-0808
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 029017 (CT)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 029017 (CT)

Record details

NPI number1245278886
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2006
Last updated in NPPESFebruary 21, 2014
Mailing address79 Sand Pit Rd, Danbury, CT 06810-4005

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice Optimus Health Care Inc — 77 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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