NPPES file of Aug 9, 2026

Carroll Gregory Aker, O.D.

Optometrist · Titusville, FL

Carroll Gregory Aker, O.D. is an optometrist with a practice address in Titusville, Florida, and NPI 1245222934, issued on Aug 18, 2005. Check the license (Florida OPC2006, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245222934
Name
Carroll Gregory Aker
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPC2006 FL
Self-reported in NPPES; status is on the state search
Practice location
338 S Washington Ave, Titusville, FL 32796
Phone
(321) 269-2021
Enumerated
Aug 18, 2005
Record last updated
Sep 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(321) 269-2119
Medicare enrollment
Enrolled (PECOS I20041028000089); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 1984
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 338 S Washington Ave

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

  1. Sarah Koehnemann, O.DOptometrist1508146663

Verify Carroll Gregory Aker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OPC2006
    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
Open the Florida license search

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3.6 times the Medicare Part D claims of the average optometrist in 2024

988 Medicare Part D claims for 298 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Carroll Aker988
  2. Specialty average277

Most prescribed

  1. Latanoprost339 claims
  2. Dorzolamide-Timolol167 claims
  3. Neomycin-Polymyxin-Dexameth109 claims
  4. Lumigan82 claims
  5. Prednisolone Acetate79 claims
  6. Brimonidine Tartrate55 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): 96.7 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.

  1. Qualityout of 100 · 30% of the final score93.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,007.63

34 payments; by number, the most common kind was 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.

  1. Carroll Aker$1,007.63
  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. Aker Eye Center PATitusville, FL

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

Carroll Gregory Aker among 3,594 optometrist records in Florida

Carroll Gregory Aker, O.D. is one of 3,594 optometrist records with a practice address in Florida. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1984 · median 2006 among the 1,833 with a school on file
  • Record last updated2007 · 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 optometrist records list a practice address in Titusville

They are 9 of the 801 NPPES records with a practice address in Titusville, and 3,594 optometrist records in Florida.

The 8 optometrist records with the nearest ZIP codes

  1. Jennifer Bradley, O.D.Titusville, FL 327961487093803
  2. Richard Jensen, ODTitusville, FL 327961356419550
  3. Sarah Koehnemann, O.DTitusville, FL 327961508146663
  4. Marguerite Ball-Thomas, O.D.Winter Park, FL 327921477531317
  5. Sandra Barker, O.D.Winter Park, FL 327921194702324
  6. Gary Barker, O.D.Winter Park, FL 327921235116468
  7. Tawni Cashon, ODWinter Park, FL 327921952892937
  8. Bradley Giedd, O.D., M.S.Winter Park, FL 327921679551444

Common questions

What is Carroll Gregory Aker, O.D.'s NPI number?

Carroll Gregory Aker, O.D.'s National Provider Identifier (NPI) is 1245222934, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Carroll Gregory Aker, O.D. located?

The NPPES record lists a practice address at 338 S Washington Ave, Titusville, FL, 32796. Phone: (321) 269-2021. Providers update this record themselves, so call before visiting.

How can I verify Carroll Gregory Aker, O.D.'s license?

NPPES lists Florida license number OPC2006, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Carroll Gregory Aker, O.D. prescribe under Medicare Part D?

In 2024, Carroll Gregory Aker, O.D. had 988 Medicare Part D claims for 298 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Carroll Gregory Aker, O.D.'s MIPS final score?

The 2023 MIPS final score is 96.7 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.