Ashley N. Crabtree, O.D.
Optometrist · Madison, SD
Ashley N. Crabtree, O.D. is an optometrist with a practice address in Madison, South Dakota, and NPI 1104055904, issued on Jul 14, 2009. Check the license (South Dakota 663, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley N. Crabtree
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 663 SD
Self-reported in NPPES; status is on the state search - Practice location
- 411 SE 10TH St, Madison, SD 57042
- Phone
- (605) 256-2020
- Enumerated
- Jul 14, 2009
- Record last updated
- Nov 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (605) 256-3597
- Medicare enrollment
- Enrolled (PECOS I20090729000391); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2009
- Entity
- Type 1 · individual
8 nearest optometrist records → All 245 in South Dakota → Look up another NPI →
Also registered at 411 SE 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Judson Bergan, ODOptometrist1710976378
Verify Ashley N. Crabtree 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 663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average optometrist in 2024
218 Medicare Part D claims for 66 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost55 claims
- Timolol Maleate32 claims
- Neomycin-Polymyxin-Dexameth28 claims
- Dorzolamide-Timolol20 claims
- Xiidra14 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: $72.81
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
Ashley N. Crabtree among 245 optometrist records in South Dakota
Ashley N. Crabtree, 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 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2009 · median 2006 among the 183 with a school on file
- Record last updated2011 · 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).
5 optometrist records list a practice address in Madison
They are 5 of the 104 NPPES records with a practice address in Madison, and 245 optometrist records in South Dakota.
All 245 in South Dakota → Every provider in Madison → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Judson Bergan, ODMadison, SD 570421710976378
- Michael Brooke, ODMadison, SD 570421306854062
- Christian DejonghMadison, SD 570421538892112
- Jodie Larson, ODMadison, SD 570421417942251
- Steven Ferguson, ODDakota Dunes, SD 570491952309502
- Michael O'NealNorth Sioux City, SD 570491932647054
- Thomas Pratt, O.D.Dakota Dunes, SD 570491073661187
- Daniel Rabbitt, ODN Sioux City, SD 570491134119761
Common questions
What is Ashley N. Crabtree, O.D.'s NPI number?
Ashley N. Crabtree, O.D.'s National Provider Identifier (NPI) is 1104055904, issued on Jul 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ashley N. Crabtree, O.D. located?
The NPPES record lists a practice address at 411 SE 10TH St, Madison, SD, 57042. Phone: (605) 256-2020. Providers update this record themselves, so call before visiting.
How can I verify Ashley N. Crabtree, O.D.'s license?
NPPES lists South Dakota license number 663, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley N. Crabtree, O.D. prescribe under Medicare Part D?
In 2024, Ashley N. Crabtree, O.D. had 218 Medicare Part D claims for 66 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.