John B. Fassio, MD
Ophthalmology Physician · Park City, UT
John B. Fassio, MD is an ophthalmology physician with a practice address in Park City, Utah, and NPI 1689671638, issued on Jul 6, 2005. Check the license (Utah 262669-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- John B. Fassio
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 262669-1205 UT
6778A WY
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Homestead RD, Park City, UT 84098
- Phone
- (435) 658-3090
- Enumerated
- Jul 6, 2005
- Record last updated
- Dec 12, 2024
- Fax
- (435) 658-3094
- Medicare enrollment
- Enrolled (PECOS I20040610001753); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 202 in Utah → Look up another NPI →
Also registered at 2700 Homestead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Robnett, PSYDClinical Psychologist1306209317
- Benjamin Russell, D.D.S.Dentist1013331339
- Christopher Smith, M.D.Ophthalmology Physician1356780076
- Patricia Winkelman, D.C.Chiropractor1922244755
Verify John B. Fassio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 262669-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average ophthalmology physician in 2024
521 Medicare Part D claims for 113 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost221 claims
- Dorzolamide-Timolol57 claims
- Ofloxacin32 claims
- Timolol Maleate32 claims
- Lumigan27 claims
- Prednisolone Acetate27 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): 90.2 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: $45.43
1 payment: food and beverage; the largest payer was Nova Eye, 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
- University OF Utah Adult ServicesSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John B. Fassio among 202 ophthalmology physician records in Utah
John B. Fassio, MD is one of 202 ophthalmology physician records with a practice address in Utah. 85% 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, 88% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1989 · median 2004 among the 145 with a school on file
- Record last updated2024 · 61% 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 Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Utah
There are 202 ophthalmology physician records in Utah.
All 202 in Utah → Every provider in Park City → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ian Christensen, MDPark City, UT 840981104449875
- Christopher Smith, M.D.Park City, UT 840981356780076
- Brian Davis, MDSouth Jordan, UT 840951679583470
- Gordon Jensen, MDSouth Jordan, UT 840951568788214
- Bryce Barker, M.D.Salt Lake City, UT 841021447285242
- Albert Dal Canto, M.D.Sandy, UT 840941922075274
- Kian Eftekhari, MDSalt Lake City, UT 841021689991747
- Roger Harrie, M.D.Salt Lake City, UT 841021982639787
Common questions
What is John B. Fassio, MD's NPI number?
John B. Fassio, MD's National Provider Identifier (NPI) is 1689671638, issued on Jul 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John B. Fassio, MD located?
The NPPES record lists a practice address at 2700 Homestead RD, Park City, UT, 84098. Phone: (435) 658-3090. Providers update this record themselves, so call before visiting.
How can I verify John B. Fassio, MD's license?
NPPES lists Utah license number 262669-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John B. Fassio, MD prescribe under Medicare Part D?
In 2024, John B. Fassio, MD had 521 Medicare Part D claims for 113 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John B. Fassio, MD's MIPS final score?
The 2023 MIPS final score is 90.2 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.