Danica Marrelli, OD
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 226
- Industry payments
- $3,534
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4901 Calhoun Rd, Houston, TX 77204
- Practice phone
- Call (713) 743-1921
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Eye Institute
Houston, Texas
Find Danica Marrelli'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.
Danica Marrelli is an optometrist in Houston, Texas
Danica Marrelli practices at University Eye Institute in Houston, Texas.
Danica Marrelli's NPI, 1609879980, was assigned on May 31, 2005. Danica Marrelli graduated from University of Houston - College of Optometry in 1992. Danica Marrelli holds Texas license 4679TG.
- NPI
- 1609879980NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264611441
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 743-1921
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Danica Marrelli practices at University Eye Institute in Houston, Texas
Danica Marrelli's primary practice is University Eye Institute, at 4901 Calhoun Rd, Houston, TX 77204 in Harris County. The practice phone is (713) 743-1921.
- University Eye Institute4901 Calhoun Rd, Houston, TX 77204 · Harris CountyPhone(713) 743-1921
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Danica Marrelli is affiliated with 2 sites of care and 1 medical group
Danica Marrelli's primary practice is University Eye Institute in Houston, Texas. Dmand AI also links Danica Marrelli to 1 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 Danica Marrelli's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Danica Marrelli practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Eye Institute | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Danica Marrelli is one of 3,272 optometrists in Texas
Optometrist is Danica Marrelli's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Danica Marrelli is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near Danica Marrelli
Counts of optometrists 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
Danica Marrelli treated 31 Medicare patients in 2024, average age 72
CMS counts 31 Medicare patients who saw Danica Marrelli in 2024. The largest group is 65 to 74, with 15 patients. 68% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Danica Marrelli's median patient age at 69, with 55% women.
Danica Marrelli's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Danica Marrelli's Medicare patients by sex, 2024
- Women1858%
- Men1342%
Chronic conditions among Danica Marrelli's Medicare patients, 2024
- High cholesterol68%
- High blood pressure65%
- Diabetes42%
- Arthritis39%
Share of Medicare patients with each condition. A patient can have several.
Danica Marrelli's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Danica Marrelli wrote 226 Medicare Part D claims in 2024
In 2024, Danica Marrelli wrote 226 Medicare Part D claims for 39 patients. 34% of them were for generic drugs.
Danica Marrelli's Part D claims by kind of drug, 2024
- Generic76 claims34%
- Brand-name150 claims66%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Danica Marrelli takes part in Medicare
Danica Marrelli accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Danica Marrelli received $3,534 in industry payments in 2025
CMS Open Payments shows 10 general payments to Danica Marrelli from 5 drug and device companies in 2025. Travel and lodging make up the largest share, 51% of the total. Alcon Laboratories Inc paid the most, $3,011.
General payments to Danica Marrelli by kind, 2025 to 2025
- Travel and lodging$1,80351%
- Consulting fees$82523%
- Food and beverage$45613%
- Compensation for serving as faculty or as a speaker for a medical education program$45013%
Companies that paid Danica Marrelli the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Danica Marrelli graduated from University of Houston - College of Optometry
Danica Marrelli graduated from University of Houston - College of Optometry in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Danica Marrelli'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 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 (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) |
| 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 Danica Marrelli
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Danica Marrelli's NPI number?
Danica Marrelli's NPI number is 1609879980. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What does Danica Marrelli specialize in?
Danica Marrelli is an optometrist in Houston, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Danica Marrelli practice?
Danica Marrelli practices at 4901 Calhoun Rd, Houston, TX 77204. Danica Marrelli's primary practice is University Eye Institute in Houston, Texas. Dmand AI also links Danica Marrelli to 1 group practice or clinic and 1 medical group.
What is Danica Marrelli's office phone number?
The practice phone on file for Danica Marrelli is (713) 743-1921.
What is Danica Marrelli's medical license number?
Danica Marrelli holds Texas license 4679TG.
Does Danica Marrelli accept Medicare?
Yes. CMS lists Danica Marrelli as accepting Medicare assignment.
How many Medicare patients does Danica Marrelli see?
CMS counts 31 Medicare patients who saw Danica Marrelli in 2024, with an average age of 72.
Where did Danica Marrelli go to medical school?
Danica Marrelli graduated from University of Houston - College of Optometry in 1992.
Has Danica Marrelli received payments from drug or device companies?
CMS Open Payments shows $3,534 in general payments to Danica Marrelli from 5 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Danica Marrelli been practicing?
Danica Marrelli graduated from medical school in 1992, 34 years ago.
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