Karisa Ritter, OD
Optometrist · Mt Pleasant, MI
Karisa Ritter, OD is an optometrist with a practice address in Mt Pleasant, Michigan, and NPI 1588649628, issued on Dec 13, 2005. Check the license (Michigan KR004202, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karisa Ritter
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- KR004202 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4164 E Blue Grass RD, Mt Pleasant, MI 48858
- Phone
- (989) 772-9481
- Enumerated
- Dec 13, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (989) 772-5431
- Medicaid ID
- 4536546 MI
- Medicare enrollment
- Enrolled (PECOS I20111209000636); accepts Medicare assignment
- Medical or professional school
- Ferris State College - College Of Optometry, 2003
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,963 in Michigan → Look up another NPI →
Verify Karisa Ritter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license KR004202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average optometrist in 2024
89 Medicare Part D claims for 28 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Latanoprost57 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
- Nichols Optical IncTraverse City, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karisa Ritter among 1,963 optometrist records in Michigan
Karisa Ritter, OD is one of 1,963 optometrist records with a practice address in Michigan. 69% 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, 89% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2003 · median 2009 among the 1,121 with a school on file
- Record last updated2026 · 68% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Michigan
There are 1,963 optometrist records in Michigan.
All 1,963 in Michigan → Every provider in Mt Pleasant → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Shelby AldaMount Pleasant, MI 488581396310629
- Tad Bartz, O.D.Mt Pleasant, MI 488581205991338
- Douglas Batchelder, ODMt Pleasant, MI 488581609867878
- Jason Bennett, O.D.Mt Pleasant, MI 488581447264551
- Dominika Bizub, ODMt Pleasant, MI 488581962248773
- Landon Fetzer, ODMount Pleasant, MI 488581609792852
- Julia Holmes, O.D.Mt Pleasant, MI 488581912981176
- Laura Keller, ODMt Pleasant, MI 488581043836190
Common questions
What is Karisa Ritter, OD's NPI number?
Karisa Ritter, OD's National Provider Identifier (NPI) is 1588649628, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karisa Ritter, OD located?
The NPPES record lists a practice address at 4164 E Blue Grass RD, Mt Pleasant, MI, 48858. Phone: (989) 772-9481. Providers update this record themselves, so call before visiting.
How can I verify Karisa Ritter, OD's license?
NPPES lists Michigan license number KR004202, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Karisa Ritter, OD prescribe under Medicare Part D?
In 2024, Karisa Ritter, OD had 89 Medicare Part D claims for 28 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.