Karen S. Shimshak, MD
Ophthalmology Physician · Jacksonville, FL
Karen S. Shimshak, MD is an ophthalmology physician with a practice address in Jacksonville, Florida, and NPI 1407931769, issued on Oct 26, 2006. Check the license (Florida ME122759, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Karen S. Shimshak
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- ME122759 FL
42851 MT
Self-reported in NPPES; status is on the state search - Practice location
- 807 Childrens Way, Jacksonville, FL 32207
- Phone
- (904) 697-3600
- Enumerated
- Oct 26, 2006
- Record last updated
- Sep 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150629001781); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1985
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,581 in Florida → Look up another NPI →
Also registered at 807 Childrens Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Abram, MDHospitalist Physician1306937313
- Harry Abram, MDNeurology with Special Qualifications in Child Neurology Physician1427069947
- Adebisi Ajala, MDPediatric Anesthesiology Physician1114005378
- Andrea Ali-Panzarella, DOPediatrics Physician1528364908
- Grace Alleman, SLPSpeech-Language Pathologist1033620406
- Marielle Amoli, MDPediatric Orthopaedic Surgery Physician1134447030
Verify Karen S. Shimshak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME122759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average ophthalmology physician in 2024
110 Medicare Part D claims for 78 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Erythromycin54 claims
- Neomycin-Polymyxin-Dexameth22 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): 81.9 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).
Bills Medicare through one group practice
- Mayo Clinic JacksonvilleJacksonville, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen S. Shimshak among 1,581 ophthalmology physician records in Florida
Karen S. Shimshak, MD is one of 1,581 ophthalmology physician records with a practice address in Florida. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 41% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 1999 among the 1,039 with a school on file
- Record last updated2020 · 60% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Florida
There are 1,581 ophthalmology physician records in Florida.
All 1,581 in Florida → Every provider in Jacksonville → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Amit Chokshi, MDJacksonville, FL 322071619949880
- Gerard Coluccelli, M.D.Jacksonville, FL 322071942317680
- Lee Hunter, MDJacksonville, FL 322071235140765
- Daniel Lattin, M.D.Jacksonville, FL 322071467712794
- Sarah Logan, M.D.Jacksonville, FL 322071154765485
- Kelly Unkrich, M.D.Jacksonville, FL 322071902199508
- Maria Adams, DOJacksonville, FL 322091225411622
- Matthew Gregory, MDJacksonville, FL 322091174100622
Common questions
What is Karen S. Shimshak, MD's NPI number?
Karen S. Shimshak, MD's National Provider Identifier (NPI) is 1407931769, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen S. Shimshak, MD located?
The NPPES record lists a practice address at 807 Childrens Way, Jacksonville, FL, 32207. Phone: (904) 697-3600. Providers update this record themselves, so call before visiting.
How can I verify Karen S. Shimshak, MD's license?
NPPES lists Florida license number ME122759, 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 Karen S. Shimshak, MD prescribe under Medicare Part D?
In 2024, Karen S. Shimshak, MD had 110 Medicare Part D claims for 78 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Karen S. Shimshak, MD's MIPS final score?
The 2023 MIPS final score is 81.9 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.