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

Dr. John Nicholas Oltean, DO

Individual provider Ophthalmology Physician · NPI 1689658403

Dr. John Nicholas Oltean, DO is an Ophthalmology Physician in Muskegon, Michigan. Licensed in Michigan. Registered with an NPI since 2005.

Licensed in
MI
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1266 E Sherman Blvd
Muskegon, MI 49444-1847
Phone: (231) 739-9009
Fax: (231) 733-0566
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 5101012139 (MI)

Record details

NPI number1689658403
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 5, 2005
Last updated in NPPESFebruary 17, 2020
Certification dateFebruary 17, 2020
Mailing address1266 E Sherman Blvd, Muskegon, MI 49444-1847

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