NPPES file of Aug 9, 2026

Ashley M. Gentrup, O.D.

Optometrist · Sioux Falls, SD

Ashley M. Gentrup, O.D. is an optometrist with a practice address in Sioux Falls, South Dakota, and NPI 1962835017, issued on Aug 13, 2013. Check the license (South Dakota 712, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962835017
Name
Ashley M. Gentrup
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
712 SD
1941DT KY
Self-reported in NPPES; status is on the state search
Practice location
106 W 69TH St, Sioux Falls, SD 57108
Phone
(605) 274-6717
Enumerated
Aug 13, 2013
Record last updated
May 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(605) 275-4804
Medicaid IDs
9204450 SD
9204452 SD
Medicare enrollment
Enrolled (PECOS I20140916001281); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 106 W 69TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Desiree Parmenter, BCBABehavior Analyst1962354365

Verify Ashley M. Gentrup in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license 712
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

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95% fewer Medicare Part D claims than the average optometrist in 2024

14 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Ashley Gentrup14
  2. Specialty average277

Most prescribed

  1. Latanoprost14 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: $141.76

3 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.

  1. Ashley Gentrup$141.76
  2. Specialty average$769.99

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

  1. Angela R. Gulbranson, OD PCSioux Falls, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ashley M. Gentrup among 245 optometrist records in South Dakota

Ashley M. Gentrup, 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 2013, is newer than 76% of them.

  • NPI issued2013 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2013 · median 2006 among the 183 with a school on file
  • Record last updated2019 · 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).

75 optometrist records list a practice address in Sioux Falls

They are 75 of the 6,563 NPPES records with a practice address in Sioux Falls, and 245 optometrist records in South Dakota.

The 8 optometrist records with the nearest ZIP codes

  1. Vance Ankrum, O.D.Sioux Falls, SD 571081881653442
  2. Tiffany Brink, ODSioux Falls, SD 571081275527475
  3. Paul Greenfield, ODSioux Falls, SD 571081093716557
  4. Charles Howlin, ODSioux Falls, SD 571081518950179
  5. Lisa Kollis-Young, ODSioux Falls, SD 571081609869262
  6. Andrea McCann, O.D.Sioux Falls, SD 571081083607493
  7. Brandy Morrow, ODSioux Falls, SD 571081346237724
  8. Keith Rasmussen, ODSioux Falls, SD 571081831195759

Common questions

What is Ashley M. Gentrup, O.D.'s NPI number?

Ashley M. Gentrup, O.D.'s National Provider Identifier (NPI) is 1962835017, issued on Aug 13, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ashley M. Gentrup, O.D. located?

The NPPES record lists a practice address at 106 W 69TH St, Sioux Falls, SD, 57108. Phone: (605) 274-6717. Providers update this record themselves, so call before visiting.

How can I verify Ashley M. Gentrup, O.D.'s license?

NPPES lists South Dakota license number 712, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Ashley M. Gentrup, O.D. prescribe under Medicare Part D?

In 2024, Ashley M. Gentrup, O.D. had 14 Medicare Part D claims; 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.