John P. Mitchell, M.D.
Ophthalmology Physician · Marshfield, WI
John P. Mitchell, M.D. is an ophthalmology physician with a practice address in Marshfield, Wisconsin, and NPI 1851310254, issued on Jul 18, 2006. Check the license (Wisconsin 73876, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John P. Mitchell
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 73876 WI
120632 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Ave, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Jul 18, 2006
- Record last updated
- Dec 18, 2023
- Medicaid ID
- 00226375 NY
- Medicare enrollment
- Enrolled (PECOS I20201026001625); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John P. Mitchell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 73876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average ophthalmology physician in 2024
678 Medicare Part D claims for 145 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost259 claims
- Timolol Maleate89 claims
- Brimonidine Tartrate80 claims
- Dorzolamide-Timolol60 claims
- Dorzolamide Hcl26 claims
- Erythromycin22 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): 78.9 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).
Industry payments in 2024: $74.61
1 payment: food and beverage; the largest payer was Amgen Inc. 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
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Mitchell among 441 ophthalmology physician records in Wisconsin
John P. Mitchell, M.D. is one of 441 ophthalmology physician records with a practice address in Wisconsin. 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1973 · median 2005 among the 259 with a school on file
- Record last updated2023 · 65% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Marshfield → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Dennis Anderson, MDMarshfield, WI 544491902912439
- Rebecca Bartow, MDMarshfield, WI 544491720194285
- Giancarlo Garcia, M.D.Marshfield, WI 544491265969984
- Yan GuoMarshfield, WI 544491184816696
- James Holzberger, MDMarshfield, WI 544491417062936
- Asha Okorie, MDMarshfield, WI 544491043478399
- Richard Patchett, MDMarshfield, WI 544491477668994
- Scott Paulman, MDMarshfield, WI 544491396851820
Common questions
What is John P. Mitchell, M.D.'s NPI number?
John P. Mitchell, M.D.'s National Provider Identifier (NPI) is 1851310254, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Mitchell, M.D. located?
The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify John P. Mitchell, M.D.'s license?
NPPES lists Wisconsin license number 73876, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John P. Mitchell, M.D. prescribe under Medicare Part D?
In 2024, John P. Mitchell, M.D. had 678 Medicare Part D claims for 145 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John P. Mitchell, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.9 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.