Ambulatory Care FacilitiesEyeGlaucoma Drainage Implants
Dr. Ronald Leon Gross, MD
NPI1902890544
- Medicare services, 2022
- 81
- Part D claims, 2022
- 419
- Publications
- 9
- Hospital affiliations
- 1
- Industry payments
- $441,497
- Practice address
- 2002 Holcombe Blvd., Houston, TX 77030
- Practice phone
- Call (713) 794-7100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gross' 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. Ronald Leon Gross is an ophthalmologist in Houston, Texas
Dr. Gross practices at Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas, part of Veterans Health Administration.
Dr. Gross' NPI, 1902890544, was assigned on September 9, 2005. Dr. Gross graduated from West Virginia University School of Medicine in 1982. Dr. Gross holds Texas license G2976.
NPI and contact details
- NPI
- 1902890544NPI Registry (opens in a new tab)
- NPI enumeration date
- September 9, 2005
- NPI status
- Active
- Practice phone
- (713) 794-7100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald Leon Gross practices at Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas
Dr. Gross' primary practice is Michael E. DeBakey Department of Veterans Affairs Medical Center, at 2002 Holcombe Blvd., Houston, TX 77030 in Harris County. The practice phone is (713) 794-7100.
- Michael E. DeBakey Department of Veterans Affairs Medical Center2002 Holcombe Blvd., Houston, TX 77030 · Harris CountyPhone(713) 794-7100
Source: Dmand AI Affiliation Data
Dr. Ronald Leon Gross is affiliated with 1 site of care
Dr. Gross' primary practice is Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas, part of Veterans Health Administration. Dr. Gross' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ronald Leon Gross' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gross practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Michael E. DeBakey Department of Veterans Affairs Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald Leon Gross is one of 1,311 ophthalmologists in Texas
Ophthalmology is Dr. Gross' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gross is licensed in Texas.
Specialties and state licenses
- Ophthalmology, TexasPrimary
Ophthalmologists near Dr. Gross
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
1,311ophthalmologists in Texas210ophthalmologists in Houston7ophthalmologists at Michael E. DeBakey Department of Veterans Affairs Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ronald Leon Gross billed Medicare for 81 services in 2022
CMS data shows 81 Medicare services from Dr. Gross across 2 procedure codes in 2022. Medicare paid $3,005 for them. Every service was in an office.
Medicare services, 202281
Paid by Medicare$3,005
Procedure codes2
Dr. Gross' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 3892022: 8179%
- Imaging
- 2021: 332022: 0100%
Dr. Gross compared with the Texas median for ophthalmologists, 2022
- Dr. Gross
- Texas median
- Medicare services
- 81vs 1,35394% below
- Part D claims
- 419vs 61332% below
Medians across 1,290 ophthalmologists in Texas with Dmand AI profiles that report each measure.
Dr. Gross' most billed Medicare procedure codes, 2022
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ronald Leon Gross' patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Gross' median patient age at 66, with 23% women.
Dr. Gross' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women23%
- Men76%
Source: Dmand AI Patient Panel Data
Dr. Ronald Leon Gross wrote 419 Medicare Part D claims in 2022
In 2022, Dr. Gross wrote 419 Medicare Part D claims. They cover 7 drugs, with $58,669 in total drug cost. In 2021, CMS named 743 claims across 10 drugs.
Part D claims, 2022419
Drugs named by CMS7
Total drug cost$58,669
Dr. Gross' most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 7432022: 41944%
Drugs named by CMS: 7 in 2022, 10 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ronald Leon Gross has 9 publications on record
Dmand AI links 9 papers to Dr. Gross, published from 2013 to 2023. The most frequent topics are Intraocular Pressure, Glaucoma and Disease Models, Animal. Dr. Gross has published most often in J Glaucoma. Dr. Gross' most frequent co-authors are Nicholas P. Bell, MD, Lauren Sasha Blieden, MD and Eva Devience, MD.
Papers9
Years published2013 to 2023
Dr. Gross' papers by year, 2013 to 2023
Topics Dr. Gross writes about most
- Intraocular Pressure
- Glaucoma
- Disease Models, Animal
- Glaucoma Drainage Implants
- Mice, Inbred C57BL
- Retinal Ganglion Cells
- Trabeculectomy
Dr. Gross' most frequent co-authors
- Nicholas P. Bell, MD2 shared papers
- Lauren Sasha Blieden, MD2 shared papers
- Eva Devience, MD2 shared papers
Recent publications by Dr. Gross
Ciliary BodyGlaucomaGlaucoma Drainage Implants
Surv Ophthalmol
GlaucomaIntraocular PressurePseudophakia
Proc Natl Acad Sci U S A
Action PotentialsAmacrine CellsCations
See who Dr. Gross researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gross works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ronald Leon Gross received $441,497 in industry payments from 2016 to 2025
CMS Open Payments shows 515 general payments to Dr. Gross from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 47% of the total. Allergan Inc. paid the most, $284,046.
General payments to Dr. Gross by program year, 2016 to 2025
General payments to Dr. Gross by kind, 2016 to 2025
$441.5Kin total
- Consulting fees$207,29047%
- Speaker and faculty fees$170,13039%
- Travel and lodging$51,99112%
- Food and beverage$12,0863%
Companies that paid Dr. Gross 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. Ronald Leon Gross graduated from West Virginia University School of Medicine
Dr. Gross graduated from West Virginia University School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald Leon Gross'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Ronald Leon Gross
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. Ronald Leon Gross' NPI number?
Dr. Ronald Leon Gross' NPI number is 1902890544. It was assigned on September 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald Leon Gross?
Dr. Ronald Leon Gross is an ophthalmologist in Houston, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ronald Leon Gross practice?
Dr. Gross practices at 2002 Holcombe Blvd., Houston, TX 77030. Dr. Gross' primary practice is Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas, part of Veterans Health Administration.
What is Dr. Ronald Leon Gross' office phone number?
The practice phone on file for Dr. Gross is (713) 794-7100.
What is Dr. Ronald Leon Gross' medical license number?
Dr. Gross holds Texas license G2976.
Which hospitals is Dr. Ronald Leon Gross affiliated with?
Dr. Gross practices at Michael E. DeBakey Department of Veterans Affairs Medical Center in Houston, Texas.
Does Dr. Ronald Leon Gross accept Medicare?
Yes. CMS data shows Dr. Gross billed Medicare for 81 services in 2022.
What services does Dr. Ronald Leon Gross bill to Medicare?
In 2022, Dr. Gross' most billed Medicare services were eye exam or test (92012) and eye exam or test (92133).
Where did Dr. Ronald Leon Gross go to medical school?
Dr. Gross graduated from West Virginia University School of Medicine in 1982.
What drugs does Dr. Ronald Leon Gross prescribe most?
In 2022 Medicare Part D data, Dr. Gross' most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Lumigan.
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Has Dr. Ronald Leon Gross received payments from drug or device companies?
CMS Open Payments shows $441,497 in general payments to Dr. Gross from 12 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Ronald Leon Gross been practicing?
Dr. Gross graduated from medical school in 1982, 44 years ago.
Does Dr. Ronald Leon Gross do research?
Dmand AI links 9 publications to Dr. Gross, published from 2013 to 2023.
Who does Dr. Ronald Leon Gross publish with?
Dr. Gross' most frequent co-authors are Nicholas P. Bell, MD (2 shared papers), Lauren Sasha Blieden, MD (2 shared papers) and Eva Devience, MD (2 shared papers).
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