Spencer C. Turner
Ophthalmology Physician · Mason City, IA
Spencer C. Turner is an ophthalmology physician with a practice address in Mason City, Iowa, and NPI 1962930941, issued on Jun 2, 2017. Check the license (Iowa DO-05771, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Spencer C. Turner
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- DO-05771 IA
R-10960 IA
58.030427 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3121 4TH St SW, Mason City, IA 50401
- Phone
- (641) 450-0206
- Enumerated
- Jun 2, 2017
- Record last updated
- Jun 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210617000150); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 220 in Iowa → Look up another NPI →
Also registered at 3121 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Augustin, O.D.Optometrist1275845711
- Randall Brenton, M.D.Ophthalmology Physician1619085727
- Bradney Carter, D.OOphthalmology Physician1619312980
- James Dummett, M.D.Ophthalmology Physician1023126141
- Bradley Isaak, M.D.Ophthalmology Physician1699883256
- Kent Juffer, O.D.Optometrist1477661502
Verify Spencer C. Turner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-05771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average ophthalmology physician in 2024
2,026 Medicare Part D claims for 476 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Latanoprost782 claims
- Dorzolamide-Timolol281 claims
- Prednisolone Acetate190 claims
- Timolol Maleate128 claims
- Brimonidine Tartrate102 claims
- Moxifloxacin86 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $115.84
6 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- North Iowa Eye Clinic, P.C.Mason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer C. Turner among 220 ophthalmology physician records in Iowa
Spencer C. Turner is one of 220 ophthalmology physician records with a practice address in Iowa. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2017 · median 2006 among the 123 with a school on file
- Record last updated2021 · 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 207W00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Iowa
There are 220 ophthalmology physician records in Iowa.
All 220 in Iowa → Every provider in Mason City → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Randall Brenton, M.D.Mason City, IA 504011619085727
- Bradney Carter, D.OMason City, IA 504011619312980
- James Dummett, M.D.Mason City, IA 504011023126141
- Bradley Isaak, M.D.Mason City, IA 504011699883256
- Mark Meyer, M.D.Mason City, IA 504011083722102
- Melissa SummerfieldMason City, IA 504011609096478
- Brandt Riley, DOMason City, IA 504021306064324
- Emad Shenouda, MDDes Moines, IA 503221336109545
Common questions
What is Spencer C. Turner's NPI number?
Spencer C. Turner's National Provider Identifier (NPI) is 1962930941, issued on Jun 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Spencer C. Turner located?
The NPPES record lists a practice address at 3121 4TH St SW, Mason City, IA, 50401. Phone: (641) 450-0206. Providers update this record themselves, so call before visiting.
How can I verify Spencer C. Turner's license?
NPPES lists Iowa license number DO-05771, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Spencer C. Turner prescribe under Medicare Part D?
In 2024, Spencer C. Turner had 2,026 Medicare Part D claims for 476 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Spencer C. Turner's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.