Nathaniel C. Harkins, O.D.
Optometrist · Madison, WI
Nathaniel C. Harkins, O.D. is an optometrist with a practice address in Madison, Wisconsin, and NPI 1396032819, issued on Jul 5, 2011. Check the license (Wisconsin 3233-035, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel C. Harkins
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3233-035 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Regent St, Madison, WI 53715
- Phone
- (608) 282-2000
- Enumerated
- Jul 5, 2011
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 282-2172
- Medicaid ID
- 1396032819 WI
- Medicare enrollment
- Enrolled (PECOS I20131023002083); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2011
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Also registered at 1025 Regent St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julia Agapov, DOOphthalmology Physician1861428153
- James Bell, MDOphthalmology Physician1376860668
- Rachel Bushey, ODOptometrist1447949482
- Sheila Carlson, MDAnesthesiology Physician1407805138
- Christopher Croasdale, MDOphthalmology Physician1770520843
- Neil Farbman, MDOphthalmology Physician1861751364
Verify Nathaniel C. Harkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3233-035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average optometrist in 2024
407 Medicare Part D claims for 113 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost133 claims
- Dorzolamide Hcl47 claims
- Dorzolamide-Timolol39 claims
- Timolol Maleate39 claims
- Travoprost23 claims
- Ketorolac Tromethamine17 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.
Bills Medicare through one group practice
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel C. Harkins among 1,161 optometrist records in Wisconsin
Nathaniel C. Harkins, O.D. is one of 1,161 optometrist records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2008 among the 752 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Wisconsin
There are 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Madison → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Rachel Bushey, ODMadison, WI 537151447949482
- Robert Heyden, ODMadison, WI 537151316903628
- Shang-Yun Huang, ODMadison, WI 537151164217147
- Richard Martin, ODMadison, WI 537151215516646
- Kelsey Rickels, O.D.Madison, WI 537151194988618
- Andrea So, ODMadison, WI 537151831531557
- Lisa Zarwell, ODMadison, WI 537151720044563
- Todd Zarwell, ODMadison, WI 537151619933488
Common questions
What is Nathaniel C. Harkins, O.D.'s NPI number?
Nathaniel C. Harkins, O.D.'s National Provider Identifier (NPI) is 1396032819, issued on Jul 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel C. Harkins, O.D. located?
The NPPES record lists a practice address at 1025 Regent St, Madison, WI, 53715. Phone: (608) 282-2000. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel C. Harkins, O.D.'s license?
NPPES lists Wisconsin license number 3233-035, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel C. Harkins, O.D. prescribe under Medicare Part D?
In 2024, Nathaniel C. Harkins, O.D. had 407 Medicare Part D claims for 113 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.