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

Dr. Paul James Grenier, OD

Individual provider Optometrist · NPI 1386608081

Dr. Paul James Grenier, OD is an Optometry in Ann Arbor, Michigan. Graduated from Illinois College of Optometry at Chicago in 2002, 24 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group and accepts Medicare assignment. Licensed in Illinois and Michigan.

Years since qualifying
24
Trained at
Illinois College of Optometry at Chicago
Licensed in
IL, MI
In the registry since
2006
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

1000 Wall St
Ann Arbor, MI 48105-1912
Phone: (734) 764-4190
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4901004452 (MI)
Optometrist Taxonomy 152W00000X · Licence 046-009510 (IL)

Record details

NPI number1386608081
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedApril 12, 2006
Last updated in NPPESMarch 7, 2023
Certification dateJanuary 28, 2020
Mailing address3621 S State St, Ann Arbor, MI 48108-1633

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2002 (24 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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