NPPES file of Aug 9, 2026

Carissa Janczak, OD

Optometrist · Columbus, OH

Carissa Janczak, OD is an optometrist with a practice address in Columbus, Ohio, and NPI 1679138556, issued on May 6, 2019. Check the license (Ohio OPT.006809, as entered in NPPES) with the Ohio 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
1679138556
Name
Carissa Janczak
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT.006809 OH
Self-reported in NPPES; status is on the state search
Practice location
1664 Neil Ave, Columbus, OH 43201
Phone
(614) 292-2020
Enumerated
May 6, 2019
Record last updated
May 3, 2022
Medicare enrollment
Enrolled (PECOS I20201005001946); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2019
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.
Download card Updates feed

Also registered at 1664 Neil Ave

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

  1. Ian Binns, OD, MSOptometrist1164315990
  2. Michelle Buckland, O.D.Optometrist1215958913
  3. Mason Clutter, OD, MSOptometrist1558176818
  4. Benjamin Cyphers, ODOptometrist1427632603
  5. Alexis Herstein, OD, MSOptometrist1043151897
  6. Gregory Hopkins, OD, MSLow Vision Rehabilitation Optometrist1831401637

Verify Carissa Janczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license OPT.006809
    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 Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

92% fewer Medicare Part D claims than the average optometrist in 2024

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

  1. Carissa Janczak22
  2. Specialty average277

Most prescribed

  1. Latanoprost12 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: $114.37

2 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. Carissa Janczak$114.37
  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. Ohio State UniversityColumbus, OH

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

Carissa Janczak among 2,443 optometrist records in Ohio

Carissa Janczak, OD is one of 2,443 optometrist records with a practice address in Ohio. 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 2019, is newer than 82% of them.

  • NPI issued2019 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2019 · median 2006 among the 1,466 with a school on file
  • Record last updated2022 · 70% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Ohio

There are 2,443 optometrist records in Ohio.

The 8 optometrist records with the nearest ZIP codes

  1. Michelle Buckland, O.D.Columbus, OH 432011215958913
  2. Benjamin Cyphers, ODColumbus, OH 432011427632603
  3. Chad Killen, O.DColumbus, OH 432011033771878
  4. Gregory Nixon, O.D.Columbus, OH 432011972629467
  5. Mawada Osman, ODColumbus, OH 432011043837925
  6. Kimberly Patton, ODColumbus, OH 432011689165565
  7. Marielle Reidy, OD, MSColumbus, OH 432011629628292
  8. Jonathon Ross, ODColumbus, OH 432011710268206

Common questions

What is Carissa Janczak, OD's NPI number?

Carissa Janczak, OD's National Provider Identifier (NPI) is 1679138556, issued on May 6, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Carissa Janczak, OD located?

The NPPES record lists a practice address at 1664 Neil Ave, Columbus, OH, 43201. Phone: (614) 292-2020. Providers update this record themselves, so call before visiting.

How can I verify Carissa Janczak, OD's license?

NPPES lists Ohio license number OPT.006809, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Carissa Janczak, OD prescribe under Medicare Part D?

In 2024, Carissa Janczak, OD had 22 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.