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

Alfonso V O'Neill, MD

Individual provider Pulmonary Disease Physician · NPI 1922054832

Alfonso V O'Neill, MD is a Pulmonary Disease Physician in Saint Clair Shores, Michigan. Practices as a sole proprietor and works from 2 locations. Licensed in Michigan.

Licensed in
MI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

25631 Little Mack Ave Ste 202
Saint Clair Shores, MI 48081-2108
Phone: (586) 588-9813
Fax: (586) 588-9814
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 239 Ridge Rd, Grosse Pointe Farms, MI 48236-3544 — (586) 588-9813

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence AO043730 (MI)

Record details

NPI number1922054832
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 25, 2006
Last updated in NPPESJuly 12, 2019

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