Dr. Timothy E. Marra, DO
- Medicare services, 2024
- 3,919
- Medicare patients, 2024
- 955
- Part D claims, 2024
- 755
- 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. Marra'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. Timothy E. Marra is an ophthalmologist in Tucson, Arizona
Dr. Marra practices at Desert Eye Associates Ltd in Tucson, Arizona.
Dr. Marra's NPI, 1154391332, was assigned on January 23, 2006. Dr. Marra graduated from Philadelphia College of Osteopathic Medicine in 1999. Dr. Marra holds Arizona license 007910.
- NPI
- 1154391332NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577614692
- NPI enumeration date
- January 23, 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
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy E. Marra practices at Desert Eye Associates Ltd in Tucson, Arizona
Dr. Marra'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. Timothy E. Marra is affiliated with 3 sites of care and 1 medical group
Dr. Marra's primary practice is Desert Eye Associates Ltd in Tucson, Arizona. Dr. Marra is also affiliated with Tucson Medical Center. Dmand AI also links Dr. Marra 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. Timothy E. Marra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marra 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. Timothy E. Marra is one of 293 ophthalmologists in Arizona
Ophthalmology is Dr. Marra's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Marra is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Marra is licensed in Arizona.
Specialties and state licenses
- Ophthalmology, ArizonaPrimary
Ophthalmologists near Dr. Marra
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. Timothy E. Marra billed Medicare for 3,919 services in 2024
CMS data shows 3,919 Medicare services from Dr. Marra across 15 procedure codes in 2024, for 955 Medicare patients. Medicare paid $268,686 for them.
Dr. Marra's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,9742024: 2,66335%
- Office and hospital visits
- 2023: 8322024: 8113%
- Surgery
- 2023: 3372024: 3166%
- Imaging
- 2023: 1112024: 12916%
Where Dr. Marra's Medicare services took place, 2024
- In an office3,67094%
- In a facility2496%
Dr. Marra compared with the Arizona median for ophthalmologists, 2024
- Dr. Marra
- Arizona median
- Medicare services
- 3,919vs 1,7092.3 times
- Medicare patients
- 955vs 59162% above
- Part D claims
- 654vs 654Close to median
Medians across 293 ophthalmologists in Arizona with Dmand AI profiles that report each measure.
Dr. Marra'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. Marra and other ophthalmologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy E. Marra treated 955 Medicare patients in 2024, average age 77
CMS counts 955 Medicare patients who saw Dr. Marra in 2024. The largest group is 75 to 84, with 472 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 1% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marra's median patient age at 78, with 58% women.
Dr. Marra's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marra's Medicare patients by sex, 2024
- Women58261%
- Men37339%
Chronic conditions among Dr. Marra's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis43%
- Ischemic heart disease24%
- Chronic kidney disease21%
- Diabetes21%
- Mood disorders20%
- Osteoporosis20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy E. Marra wrote 755 Medicare Part D claims in 2024
In 2024, Dr. Marra wrote 755 Medicare Part D claims for 269 patients. 64% of them were for generic drugs. CMS names the drug for 654 of them, across 11 drugs with 11 or more claims each, at $28,300 in total drug cost. In 2023, CMS named 825 claims across 15 drugs.
Dr. Marra's Part D claims by kind of drug, 2024
- Generic485 claims64%
- Brand-name270 claims36%
Dr. Marra'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8252024: 65421%
Drugs named by CMS: 11 in 2024, 15 in 2023.
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. Timothy E. Marra 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. Marra for performance year 2024, reported as part of a group. Dr. Marra accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 280 procedures of cataract surgery by Dr. Marra, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Marra'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. Marra ranks in Medicare procedure volume
- Cataract surgery
- 88th percentile280 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. Timothy E. Marra received $2,271 in industry payments from 2016 to 2025
CMS Open Payments shows 51 general payments to Dr. Marra from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Glaukos Corporation paid the most, $334.
General payments to Dr. Marra by program year, 2016 to 2025
General payments to Dr. Marra by kind, 2016 to 2025
- Food and beverage$2,23398%
- Education$382%
Companies that paid Dr. Marra the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy E. Marra graduated from Philadelphia College of Osteopathic Medicine
Dr. Marra graduated from Philadelphia College of Osteopathic Medicine in 1999.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy E. Marra'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. Timothy E. Marra
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. Timothy E. Marra's NPI number?
Dr. Timothy E. Marra's NPI number is 1154391332. It was assigned on January 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy E. Marra?
Dr. Timothy E. Marra is an ophthalmologist in Tucson, Arizona. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Timothy E. Marra practice?
Dr. Marra practices at 1110 N El Dorado Pl, Tucson, AZ 85715. Dr. Marra's primary practice is Desert Eye Associates Ltd in Tucson, Arizona. Dmand AI also links Dr. Marra to 1 group practice or clinic and 1 medical group.
What is Dr. Timothy E. Marra's office phone number?
The practice phone on file for Dr. Marra is (520) 625-7450.
What is Dr. Timothy E. Marra's medical license number?
Dr. Marra holds Arizona license 007910.
Which hospitals is Dr. Timothy E. Marra affiliated with?
Dr. Marra is affiliated with Tucson Medical Center.
Does Dr. Timothy E. Marra accept Medicare?
Yes. CMS data shows Dr. Marra billed Medicare for 3,919 services in 2024, and Dr. Marra accepts Medicare assignment.
What is Dr. Timothy E. Marra's MIPS score?
Dr. Marra'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. Timothy E. Marra see?
CMS counts 955 Medicare patients who saw Dr. Marra in 2024, with an average age of 77.
Is Dr. Timothy E. Marra board certified?
Yes. Dr. Marra is board certified in ophthalmology by the American Board of Ophthalmology.
Show 5 more questionsShow fewer questions
What services does Dr. Timothy E. Marra bill to Medicare?
In 2024, Dr. Marra's most billed Medicare services were eye exam or test (92133), eye exam or test (92083) and eye exam or test (92014).
Where did Dr. Timothy E. Marra go to medical school?
Dr. Marra graduated from Philadelphia College of Osteopathic Medicine in 1999.
What drugs does Dr. Timothy E. Marra prescribe most?
In 2024 Medicare Part D data, Dr. Marra's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Timothy E. Marra received payments from drug or device companies?
CMS Open Payments shows $2,271 in general payments to Dr. Marra from 15 companies from 2016 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Timothy E. Marra been practicing?
Dr. Marra graduated from medical school in 1999, 27 years ago.
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