Ryan Lowell Geraets, MD
Ophthalmology Physician · Sioux Falls, SD
Ryan Lowell Geraets, MD is an ophthalmology physician with a practice address in Sioux Falls, South Dakota, and NPI 1154441608, issued on Mar 29, 2007. Check the license (South Dakota 7461, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Ryan Lowell Geraets
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 7461 SD
Self-reported in NPPES; status is on the state search - Practice location
- 6601 S Minnesota Ave Ste 200, Sioux Falls, SD 57108
- Phone
- (605) 336-6294
- Enumerated
- Mar 29, 2007
- Record last updated
- Jun 11, 2026
- Fax
- (605) 336-0266
- Medicaid IDs
- 6301540 SD
460311856 NE - Medicare enrollment
- Enrolled (PECOS I20090817000768); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2004
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 60 in South Dakota → Look up another NPI →
Also registered at 6601 S Minnesota Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Bordewyk, MDOphthalmology Physician1255829776
- Elizabeth Chiang, MD, PHDOphthalmology Physician1336464882
- Elise In't Veld, MDOphthalmology Physician1215279856
- Eric Thomas, M.D.Ophthalmology Physician1588636484
- Tyler VermeerOptometrist1801323118
- Emily Walters, O.D.Optometrist1609154608
Verify Ryan Lowell Geraets in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 7461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average ophthalmology physician in 2024
705 Medicare Part D claims for 203 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Prednisolone Acetate121 claims
- Polymyxin B Sul-Trimethoprim83 claims
- Atropine Sulfate76 claims
- Latanoprost58 claims
- Timolol Maleate48 claims
- Amlodipine Besylate19 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: $87.14
1 payment: food and beverage; the largest payer was Alimera Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Ophthalmology LtdMitchell, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Lowell Geraets among 60 ophthalmology physician records in South Dakota
Ryan Lowell Geraets, MD is one of 60 ophthalmology physician records with a practice address in South Dakota. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 43% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2009 among the 38 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in South Dakota
There are 60 ophthalmology physician records in South Dakota.
All 60 in South Dakota → Every provider in Sioux Falls → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Elizabeth Atchison, M.D.Sioux Falls, SD 571081669738183
- John Berdahl, M.D.Sioux Falls, SD 571081871761577
- Elizabeth Chiang, MD, PHDSioux Falls, SD 571081336464882
- Dustin Dierks, MDSioux Falls, SD 571081629057666
- Michael Eide, M.D.Sioux Falls, SD 571081710152061
- Bryan Hammer, M.D.Sioux Falls, SD 571081992766026
- Byron Hohm, M.D.Sioux Falls, SD 571081780645887
- Elise In't Veld, MDSioux Falls, SD 571081215279856
Common questions
What is Ryan Lowell Geraets, MD's NPI number?
Ryan Lowell Geraets, MD's National Provider Identifier (NPI) is 1154441608, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Lowell Geraets, MD located?
The NPPES record lists a practice address at 6601 S Minnesota Ave Ste 200, Sioux Falls, SD, 57108. Phone: (605) 336-6294. Providers update this record themselves, so call before visiting.
How can I verify Ryan Lowell Geraets, MD's license?
NPPES lists South Dakota license number 7461, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Lowell Geraets, MD prescribe under Medicare Part D?
In 2024, Ryan Lowell Geraets, MD had 705 Medicare Part D claims for 203 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.