Dr. Karl Alfons Rosen, MD
- Medicare services, 2024
- 5,299
- Medicare patients, 2024
- 1,100
- Part D claims, 2024
- 1,081
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 1110 N El Dorado Pl, Tucson, AZ 85715
- Practice phone
- Call (520) 625-7450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Desert Eye Associates Ltd
Tucson, Arizona
Find Dr. Rosen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Karl Alfons Rosen is an ophthalmologist in Tucson, Arizona
Dr. Rosen practices at Desert Eye Associates Ltd in Tucson, Arizona.
Dr. Rosen's NPI, 1982669933, was assigned on April 20, 2006. Dr. Rosen graduated from University of Arizona College of Medicine in 2002. Dr. Rosen holds Arizona license 46544.
- NPI
- 1982669933NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204004377
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 625-7450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karl Alfons Rosen practices at Desert Eye Associates Ltd in Tucson, Arizona
Dr. Rosen's primary practice is Desert Eye Associates Ltd, at 1110 N El Dorado Pl, Tucson, AZ 85715 in Pima County. The practice phone is (520) 625-7450.
- Desert Eye Associates Ltd1110 N El Dorado Pl, Tucson, AZ 85715 · Pima CountyPhone(520) 625-7450
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karl Alfons Rosen is affiliated with 3 sites of care and 1 medical group
Dr. Rosen's primary practice is Desert Eye Associates Ltd in Tucson, Arizona. Dr. Rosen is also affiliated with Tucson Medical Center. Dmand AI also links Dr. Rosen to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karl Alfons Rosen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Desert Eye Associates Ltd | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karl Alfons Rosen is one of 293 ophthalmologists in Arizona
Ophthalmology is Dr. Rosen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Rosen is licensed in Arizona.
Specialties and state licenses
- Ophthalmology, ArizonaPrimary
Ophthalmologists near Dr. Rosen
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karl Alfons Rosen billed Medicare for 5,299 services in 2024
CMS data shows 5,299 Medicare services from Dr. Rosen across 21 procedure codes in 2024, for 1,100 Medicare patients. Medicare paid $289,122 for them.
Dr. Rosen's Medicare services by type, 2024
- Tests and treatments3,464
- Office and hospital visits1,377
- Surgery321
- Imaging122
- Other services15
Where Dr. Rosen's Medicare services took place, 2024
- In an office5,04395%
- In a facility2565%
Dr. Rosen compared with the Arizona median for ophthalmologists, 2024
- Dr. Rosen
- Arizona median
- Medicare services
- 5,299vs 1,7093.1 times
- Medicare patients
- 1,100vs 59186% above
- Part D claims
- 978vs 65450% above
Medians across 293 ophthalmologists in Arizona with Dmand AI profiles that report each measure.
Dr. Rosen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rosen and other ophthalmologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl Alfons Rosen treated 1,100 Medicare patients in 2024, average age 79
CMS counts 1,100 Medicare patients who saw Dr. Rosen in 2024. The largest group is 75 to 84, with 517 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 1% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rosen's median patient age at 79, with 58% women.
Dr. Rosen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rosen's Medicare patients by sex, 2024
- Women64459%
- Men45641%
Chronic conditions among Dr. Rosen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis44%
- Ischemic heart disease25%
- Chronic kidney disease24%
- Diabetes21%
- Osteoporosis20%
- Atrial fibrillation19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rosen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karl Alfons Rosen wrote 1,081 Medicare Part D claims in 2024
In 2024, Dr. Rosen wrote 1,081 Medicare Part D claims for 336 patients. 69% of them were for generic drugs. CMS names the drug for 978 of them, across 17 drugs with 11 or more claims each, at $134,701 in total drug cost.
Dr. Rosen's Part D claims by kind of drug, 2024
- Generic743 claims69%
- Brand-name338 claims31%
Dr. Rosen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Karl Alfons Rosen scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Rosen for performance year 2024, reported as part of a group. Dr. Rosen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 253 procedures of cataract surgery by Dr. Rosen, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Rosen's MIPS scores, performance year 2024
- 92of 100Final score
- 96.5of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Rosen ranks in Medicare procedure volume
- Cataract surgery
- 87th percentile253 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Karl Alfons Rosen received $425 in industry payments from 2024 to 2025
CMS Open Payments shows 15 general payments to Dr. Rosen from 7 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $192.
General payments to Dr. Rosen by program year, 2024 to 2025
Companies that paid Dr. Rosen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karl Alfons Rosen graduated from University of Arizona College of Medicine
Dr. Rosen graduated from University of Arizona College of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl Alfons Rosen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karl Alfons Rosen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karl Alfons Rosen's NPI number?
Dr. Karl Alfons Rosen's NPI number is 1982669933. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl Alfons Rosen?
Dr. Karl Alfons Rosen is an ophthalmologist in Tucson, Arizona. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Karl Alfons Rosen practice?
Dr. Rosen practices at 1110 N El Dorado Pl, Tucson, AZ 85715. Dr. Rosen's primary practice is Desert Eye Associates Ltd in Tucson, Arizona. Dmand AI also links Dr. Rosen to 1 group practice or clinic and 1 medical group.
What is Dr. Karl Alfons Rosen's office phone number?
The practice phone on file for Dr. Rosen is (520) 625-7450.
What is Dr. Karl Alfons Rosen's medical license number?
Dr. Rosen holds Arizona license 46544.
Which hospitals is Dr. Karl Alfons Rosen affiliated with?
Dr. Rosen is affiliated with Tucson Medical Center.
Does Dr. Karl Alfons Rosen accept Medicare?
Yes. CMS data shows Dr. Rosen billed Medicare for 5,299 services in 2024, and Dr. Rosen accepts Medicare assignment.
What is Dr. Karl Alfons Rosen's MIPS score?
Dr. Rosen's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Karl Alfons Rosen see?
CMS counts 1,100 Medicare patients who saw Dr. Rosen in 2024, with an average age of 79.
What services does Dr. Karl Alfons Rosen bill to Medicare?
In 2024, Dr. Rosen's most billed Medicare services were office visit, established patient (99213), eye exam or test (92083) and eye exam or test (92133).
Show 4 more questionsShow fewer questions
Where did Dr. Karl Alfons Rosen go to medical school?
Dr. Rosen graduated from University of Arizona College of Medicine in 2002.
What drugs does Dr. Karl Alfons Rosen prescribe most?
In 2024 Medicare Part D data, Dr. Rosen's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Ketorolac Tromethamine.
Has Dr. Karl Alfons Rosen received payments from drug or device companies?
CMS Open Payments shows $425 in general payments to Dr. Rosen from 7 companies from 2024 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Dr. Karl Alfons Rosen been practicing?
Dr. Rosen graduated from medical school in 2002, 24 years ago.
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