Jason Jahn, O.D.
Optometrist · Brookings, SD
Jason Jahn, O.D. is an optometrist with a practice address in Brookings, South Dakota, and NPI 1609861608, issued on Sep 15, 2005. Check the license (South Dakota 142, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Jahn
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 142 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1208 22ND Ave S, Brookings, SD 57006
- Phone
- (605) 692-2020
- Enumerated
- Sep 15, 2005
- Record last updated
- Feb 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (605) 692-9594
- Medicaid ID
- 9280170 SD
- Medicare enrollment
- Enrolled (PECOS I20091208000799); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1979
- Entity
- Type 1 · individual
8 nearest optometrist records → All 245 in South Dakota → Look up another NPI →
Also registered at 1208 22ND Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tasha Jones, O.D.Optometrist1922093517
- Wyatt Nash-Keller, O.D.Optometrist1124371992
Verify Jason Jahn 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 142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average optometrist in 2024
359 Medicare Part D claims for 99 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost169 claims
- Lumigan66 claims
- Dorzolamide-Timolol24 claims
- Timolol Maleate18 claims
- Tobramycin-Dexamethasone16 claims
- Combigan11 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.
Industry payments in 2024: $35.99
2 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tasha J. Jones, O.D. P.CBrookings, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Jahn among 245 optometrist records in South Dakota
Jason Jahn, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1979 · median 2006 among the 183 with a school on file
- Record last updated2020 · 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).
8 optometrist records list a practice address in Brookings
They are 8 of the 375 NPPES records with a practice address in Brookings, and 245 optometrist records in South Dakota.
All 245 in South Dakota → Every provider in Brookings → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Tasha Jones, O.D.Brookings, SD 570061922093517
- Taylor Kneip, ODBrookings, SD 570061447818562
- Trisha Morehouse, ODBrookings, SD 570061134432651
- Wyatt Nash-Keller, O.D.Brookings, SD 570061124371992
- Brian Piearson, ODBrookings, SD 570061801870340
- Jackson Pond, ODBrookings, SD 570061801640370
- Clayton Twitero, ODBrookings, SD 570061174556344
- Paul Horner, O.D.Brandon, SD 570051962557066
Common questions
What is Jason Jahn, O.D.'s NPI number?
Jason Jahn, O.D.'s National Provider Identifier (NPI) is 1609861608, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jason Jahn, O.D. located?
The NPPES record lists a practice address at 1208 22ND Ave S, Brookings, SD, 57006. Phone: (605) 692-2020. Providers update this record themselves, so call before visiting.
How can I verify Jason Jahn, O.D.'s license?
NPPES lists South Dakota license number 142, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Jahn, O.D. prescribe under Medicare Part D?
In 2024, Jason Jahn, O.D. had 359 Medicare Part D claims for 99 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.