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

Individual provider Infectious Disease Physician · NPI 1952329328

Brian S Chasin, MD is an Infectious Disease in Phoenix, Arizona. Qualified in 2001, 25 years ago. Practices with Tucson Physician Group Holdings LLC, a 199-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and New York.

Years since qualifying
25
Licensed in
AZ, NY
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

3411 N 5th Ave Ste 209
Phoenix, AZ 85013-3812
Phone: (602) 789-0344
Fax: (602) 789-8389
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 60 Prospect Ave, Middletown, NY 10940-4133 — (845) 342-7615

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 35402 (AZ)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 244048 (NY)

Record details

NPI number1952329328
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESMarch 17, 2018
Mailing address3411 N 5th Ave Ste 209, Phoenix, AZ 85013-3812

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Tucson Physician Group Holdings Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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