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

Zachary R Williams, MD

Individual provider Hospitalist Physician · NPI 1134372584

Zachary R Williams, MD is a Cardiovascular Disease (Cardiology) in Rochester, New York. Graduated from University of Utah School of Medicine in 2007, 19 years ago. Practices with Ihc Health Services Inc, a 3,947-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arizona, Illinois, New York and Utah.

Years since qualifying
19
Trained at
University of Utah School of Medicine
Licensed in
AZ, IL, NY, UT
In the registry since
2008
Specialties on file
5
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

310 Exchange Blvd Apt 330
Rochester, NY 14608-2780
Phone: (801) 455-4581
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 7700 E Florentine Rd Ste 206, Prescott Valley, AZ 86314-2245 — (928) 442-8117
  • 4600 Memorial Dr Ste W1, Belleville, IL 62226-5359 — (618) 233-3066

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 258290 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence 258290 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 7154790-1205 (UT)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 036178168 (IL)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 80040 (AZ)

Record details

NPI number1134372584
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 29, 2008
Last updated in NPPESApril 2, 2026
Certification dateApril 2, 2026

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF UTAH SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Ihc Health Services Inc — 3947 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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