Mark Kim Walsh, M.D.,PHD
Retina Specialist (Ophthalmology) Physician · Tucson, AZ
Mark Kim Walsh, M.D.,PHD is a retina specialist (ophthalmology) physician with a practice address in Tucson, Arizona, and NPI 1003952318, issued on Jan 30, 2007. Check the license (Arizona 41270, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Kim Walsh
- Credential
- M.D.,PHD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- 41270 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 6561 E. Carondelet Dr., Tucson, AZ 85710
- Phone
- (520) 886-2597
- Enumerated
- Jan 30, 2007
- Record last updated
- Apr 5, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (520) 886-6639
- Medicaid ID
- 438790 AZ
- Medicare enrollment
- Enrolled (PECOS I20090618000452); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 32 in Arizona → Look up another NPI →
Verify Mark Kim Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 41270Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
811 Medicare Part D claims for 263 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Prednisolone Acetate308 claims
- Neomycin-Polymyxin-Dexameth158 claims
- Ketorolac Tromethamine120 claims
- Brimonidine Tartrate55 claims
- Difluprednate37 claims
- Dorzolamide Hcl34 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): 82.8 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: $956.01
11 payments; by number, the most common kind was food and beverage; the largest payer was Alimera Sciences, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 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
- Rasw, PCGreen Valley, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Kim Walsh among 32 retina specialist (ophthalmology) physician records in Arizona
Mark Kim Walsh, M.D.,PHD is one of 32 retina specialist (ophthalmology) physician records with a practice address in Arizona. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 34% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 94% of these records are
- Graduated2003 · median 2003 among the 30 with a school on file
- Record last updated2017 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Arizona
There are 32 retina specialist (ophthalmology) physician records in Arizona.
All 32 in Arizona → Every provider in Tucson → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- April Harris, M.D.Tucson, AZ 857101316940422
- Cameron Javid, M.D.Tucson, AZ 857101518960632
- Egbert Saavedra, M.D.Tucson, AZ 857101518925858
- Jane Cho, MDTucson, AZ 857111710248190
- Igor Kozak, M.D.Tucson, AZ 857111982982302
- Diego Calonje, M.D.Tucson, AZ 857121790804961
- Anthony Joseph, M.D.Tucson, AZ 857041780900845
- George Novalis, M.D.Tucson, AZ 857041821046251
Common questions
What is Mark Kim Walsh, M.D.,PHD's NPI number?
Mark Kim Walsh, M.D.,PHD's National Provider Identifier (NPI) is 1003952318, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kim Walsh, M.D.,PHD located?
The NPPES record lists a practice address at 6561 E. Carondelet Dr., Tucson, AZ, 85710. Phone: (520) 886-2597. Providers update this record themselves, so call before visiting.
How can I verify Mark Kim Walsh, M.D.,PHD's license?
NPPES lists Arizona license number 41270, 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 Mark Kim Walsh, M.D.,PHD prescribe under Medicare Part D?
In 2024, Mark Kim Walsh, M.D.,PHD had 811 Medicare Part D claims for 263 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Mark Kim Walsh, M.D.,PHD's MIPS final score?
The 2023 MIPS final score is 82.8 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.