Mark Alan Altfillisch, OD
Individual provider Active NPI Optometrist · Ottumwa, IA
NPI 1093814014 · NPPES record last updated Sep 2, 2026
Key facts
- NPI
- 1093814014
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Optometrist 152W00000X
- License
- 1969 (IA)
- Practice address
- 224 E Main Street
Ottumwa, IA 52501-2916 - Phone
- (641) 684-5463
- Fax
- (641) 684-5475
- NPI assigned
- Sep 22, 2006
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 1
Medicare Care Compare profile
- Specialty
- Optometry
- Education
- Southern College of Optometry, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
224 E Main St
Ottumwa, IA 52501-2916
Phone (641) 684-5463
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.62 of 100
- Quality
- 77.24
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 128 |
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in IA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: No · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20111227000423 | IA | Practitioner - Optometry | 2567596331 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1969 | IA | MD | Optometrist |
| 01969 | IA | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dr. J. Brent Altfillisch, O.D. P.C. | Optometrist | Current |
Accepting new patients |
Locations
224 E Main St
Ottumwa, IA 52501
Phone (641) 684-5463
Interoperability endpoints
- markaltfillisch@direct.revolutionehr.com
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | 1969 | IA | Yes |
Addresses
Primary practice location
224 E Main Street
Ottumwa, IA 52501-2916
Mailing address
224 E Main St
Ottumwa, IA 52501-2916
Phone (641) 684-5463
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0089839 | Medicaid | IA |
Other providers in Ottumwa, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Sep 2, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.