NPPES file of Aug 9, 2026

Mark David Mifflin, MD

Ophthalmology Physician · Salt Lake City, UT

Mark David Mifflin, MD is an ophthalmology physician with a practice address in Salt Lake City, Utah, and NPI 1548350150, issued on Oct 13, 2006. Check the license (Utah 185327-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548350150
Name
Mark David Mifflin
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
185327-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
4400 S 700 E, Salt Lake City, UT 84107
Phone
(801) 264-4464
Enumerated
Oct 13, 2006
Record last updated
Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040405000371); accepts Medicare assignment
Medical or professional school
University Of Nevada School Of Medicine, 1990
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.
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Also registered at 4400 S 700 E

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

  1. Oren Alldredge, MDOphthalmology Physician1780685412
  2. David Faber, M.D.Retina Specialist (Ophthalmology) Physician1811990450
  3. Roy Goodart, M.D.Ophthalmology Physician1871596411
  4. Matheson Harris, M.D.Ophthalmology Physician1912110230
  5. Jean Tabin, MDOphthalmology Physician1821188459
  6. Kim Taylor, MDOphthalmology Physician1649360272

Verify Mark David Mifflin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 185327-1205
    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
Open the Utah 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.

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14% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,303 Medicare Part D claims for 403 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.

  1. Mark Mifflin1,303
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate532 claims
  2. Ofloxacin182 claims
  3. Erythromycin92 claims
  4. Moxifloxacin86 claims
  5. Ketorolac Tromethamine43 claims
  6. Brimonidine Tartrate39 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): 92.1 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.

  1. Qualityout of 100 · 30% of the final score85.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17.37

1 payment: food and beverage; the largest payer was Abbvie 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.

  1. Mark Mifflin$17.37
  2. Specialty average$4,535.02

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. 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).

Mark David Mifflin among 202 ophthalmology physician records in Utah

Mark David Mifflin, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1990 · median 2004 among the 145 with a school on file
  • Record last updated2021 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Oren Alldredge, MDSalt Lake City, UT 841071780685412
  2. Kevin Charlton, MDSalt Lake City, UT 841071699877969
  3. Robert Cionni, M.D.Salt Lake City, UT 841071306833256
  4. Roy Goodart, M.D.Salt Lake City, UT 841071871596411
  5. Alan Jackson, M.D.Salt Lake City, UT 841071467411223
  6. Steven Jackson, MDSalt Lake City, UT 841071447215173
  7. Jared Parker, MDMurray, UT 841071124146253
  8. David Petersen, MDSalt Lake City, UT 841071851482202

Common questions

What is Mark David Mifflin, MD's NPI number?

Mark David Mifflin, MD's National Provider Identifier (NPI) is 1548350150, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark David Mifflin, MD located?

The NPPES record lists a practice address at 4400 S 700 E, Salt Lake City, UT, 84107. Phone: (801) 264-4464. Providers update this record themselves, so call before visiting.

How can I verify Mark David Mifflin, MD's license?

NPPES lists Utah license number 185327-1205, 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 Mark David Mifflin, MD prescribe under Medicare Part D?

In 2024, Mark David Mifflin, MD had 1,303 Medicare Part D claims for 403 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Mark David Mifflin, MD's MIPS final score?

The 2023 MIPS final score is 92.1 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.