Steven Worthen Mortenson, M.D.
Ophthalmology Physician · Prescott, AZ
Steven Worthen Mortenson, M.D. is an ophthalmology physician with a practice address in Prescott, Arizona, and NPI 1962473595, issued on Jan 31, 2006. Check the license (Arizona 22728, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven Worthen Mortenson
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 22728 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3192 Willow Creek RD, Prescott, AZ 86301
- Phone
- (928) 778-3950
- Enumerated
- Jan 31, 2006
- Record last updated
- Apr 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100825001018); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 353 in Arizona → Look up another NPI →
Also registered at 3192 Willow Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Champ, ODOptometrist1649238346
- Brett Christensen, ODOptometrist1639670870
- Matthew HepworthOptometrist1992442438
- Derek JeanesOptometrist1043909229
- Tyler Oakeson, ODOptometrist1588407811
- Connor YoungOptometrist1023901782
Verify Steven Worthen Mortenson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average ophthalmology physician in 2024
2,511 Medicare Part D claims for 785 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost687 claims
- Ketorolac Tromethamine461 claims
- Dorzolamide-Timolol227 claims
- Timolol Maleate223 claims
- Brimonidine Tartrate134 claims
- Prednisolone Acetate132 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): 87.7 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: $81.39
3 payments; by number, the most common kind was 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.
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
- Southwestern Eye Center LtdPrescott, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Worthen Mortenson among 353 ophthalmology physician records in Arizona
Steven Worthen Mortenson, M.D. is one of 353 ophthalmology physician records with a practice address in Arizona. 76% 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 · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 2000 among the 220 with a school on file
- Record last updated2016 · 59% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Arizona
There are 353 ophthalmology physician records in Arizona.
All 353 in Arizona → Every provider in Prescott → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Scott Markham, D.O.Prescott, AZ 863011972688836
- John Rummel, MDPrescott, AZ 863011932167632
- Robert Rummel, MD, PHDPrescott, AZ 863011033167093
- James Arthur, M.D.Prescott, AZ 863051487625679
- Michael Ham, M.D.Prescott Valley, AZ 863141750385647
- Farshid Paydar, MDCottonwood, AZ 863261376538678
- Todd Jackson, M.D.Kingman, AZ 864011609063775
- Jonathan Shader, DOLake Havasu City, AZ 864031689038986
Common questions
What is Steven Worthen Mortenson, M.D.'s NPI number?
Steven Worthen Mortenson, M.D.'s National Provider Identifier (NPI) is 1962473595, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Worthen Mortenson, M.D. located?
The NPPES record lists a practice address at 3192 Willow Creek RD, Prescott, AZ, 86301. Phone: (928) 778-3950. Providers update this record themselves, so call before visiting.
How can I verify Steven Worthen Mortenson, M.D.'s license?
NPPES lists Arizona license number 22728, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Worthen Mortenson, M.D. prescribe under Medicare Part D?
In 2024, Steven Worthen Mortenson, M.D. had 2,511 Medicare Part D claims for 785 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Steven Worthen Mortenson, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.7 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.