Eric D. Porisch, O.D.
Optometrist · Rapid City, SD
Eric D. Porisch, O.D. is an optometrist with a practice address in Rapid City, South Dakota, and NPI 1174502330, issued on Jan 15, 2006. Check the license (South Dakota 604, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eric D. Porisch
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 604 SD
Self-reported in NPPES; status is on the state search - Practice location
- 605 Saint Joseph St, Rapid City, SD 57701
- Phone
- (605) 341-5644
- Enumerated
- Jan 15, 2006
- Record last updated
- Jan 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (605) 341-5450
- Medicaid ID
- 9203370 SD
- Medicare enrollment
- Enrolled (PECOS I20040908000743); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 2004
- Entity
- Type 1 · individual
8 nearest optometrist records → All 245 in South Dakota → Look up another NPI →
Verify Eric D. Porisch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average optometrist in 2024
65 Medicare Part D claims for 16 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Latanoprost30 claims
- Timolol Maleate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Eric D. Porisch among 245 optometrist records in South Dakota
Eric D. Porisch, O.D. is one of 245 optometrist records with a practice address in South Dakota. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2004 · median 2006 among the 183 with a school on file
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 optometrist records list a practice address in Rapid City
They are 39 of the 3,017 NPPES records with a practice address in Rapid City, and 245 optometrist records in South Dakota.
All 245 in South Dakota → Every provider in Rapid City → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Derek Allmer, O.D.Rapid City, SD 577011164482907
- Anne Britton, O.D.Rapid City, SD 577011154310019
- Randall Edwards, O.D.Rapid City, SD 577011467502518
- Michael Ellender, O.D.Rapid City, SD 577011245301787
- Elizabeth Ellender, O.D.Rapid City, SD 577011417028051
- Joseph HartfordRapid City, SD 577011265470025
- Dwayne Ice, O.D.Rapid City, SD 577011447362074
- Wayne Jones, ODRapid City, SD 577011174660252
Common questions
What is Eric D. Porisch, O.D.'s NPI number?
Eric D. Porisch, O.D.'s National Provider Identifier (NPI) is 1174502330, issued on Jan 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric D. Porisch, O.D. located?
The NPPES record lists a practice address at 605 Saint Joseph St, Rapid City, SD, 57701. Phone: (605) 341-5644. Providers update this record themselves, so call before visiting.
How can I verify Eric D. Porisch, O.D.'s license?
NPPES lists South Dakota license number 604, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Eric D. Porisch, O.D. prescribe under Medicare Part D?
In 2024, Eric D. Porisch, O.D. had 65 Medicare Part D claims for 16 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.