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

Daniel M Greif, MD

Individual provider Cardiovascular Disease Physician · NPI 1861673691

Daniel M Greif, MD is a Cardiovascular Disease (Cardiology) in Guilford, Connecticut. Graduated from University of California, San Francisco School of Medicine in 1997, 29 years ago. Practices with Yale University, a 2,618-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
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

111 Goose Ln
Guilford, CT 06437-5101
Phone: (203) 458-2097
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A82476 (CA)

Record details

NPI number1861673691
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 20, 2007
Last updated in NPPESOctober 17, 2010
Mailing addressPo Box 208017, Yale University School Of Medicine, New Haven, CT 06520-8017

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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