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

Dr. Mark Alan Altfillisch, OD

Individual provider Optometrist · NPI 1093814014

Dr. Mark Alan Altfillisch, OD is an Optometry in Ottumwa, Iowa. Graduated from Southern College of Optometry in 1992, 34 years ago. Accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
34
Trained at
Southern College of Optometry
Licensed in
IA
In the registry since
2006
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

224 E Main St
Ottumwa, IA 52501-2916
Phone: (641) 684-5463
Fax: (641) 684-5475
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1969 (IA)

Record details

NPI number1093814014
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedSeptember 22, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 994, 224 E Main Street, Ottumwa, IA 52501-2916

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN COLLEGE OF OPTOMETRY
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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