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

Jonathan Koff, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1104040401

Jonathan Koff, MD is a Pulmonary Disease in New Haven, Connecticut. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2000, 26 years ago. Practices with Yale University, a 2,618-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Connecticut.

Years since qualifying
26
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
CA, CT
In the registry since
2007
Specialties on file
4
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

789 Howard Ave
New Haven, CT 06519-1304
Phone: (203) 785-4198
Fax: (203) 737-5453
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 049721 (CT)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A82796 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence A82796 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 049721 (CT)

Record details

NPI number1104040401
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 11, 2007
Last updated in NPPESApril 22, 2011

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 2000 (26 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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