Dr. David G. Gross, DO
- Medicare services, 2024
- 5,960
- Medicare patients, 2024
- 1,658
- Part D claims, 2024
- 3,375
- Hospital affiliations
- 1
- Industry payments
- $7,708
- Practice address
- 303 W 89th Ave Suite E4 Suite E4, Merrillville, IN 46410-6295
- Practice phone
- Call (219) 769-8989
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Deen-gross Eye Centers
Eye care practice · Merrillville, Indiana
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. David G. Gross is an ophthalmologist in Merrillville, Indiana
Dr. Gross practices at Deen-gross Eye Centers in Merrillville, Indiana.
Dr. Gross' NPI, 1346373313, was assigned on March 13, 2007. Dr. Gross holds Indiana license 02001570A.
- NPI
- 1346373313NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507830502
- NPI enumeration date
- March 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 769-8989
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David G. Gross practices at Deen-gross Eye Centers in Merrillville, Indiana
Dr. Gross' primary practice is Deen-gross Eye Centers, at 303 W 89th Ave Suite E4 Suite E4, Merrillville, IN 46410-6295. The practice phone is (219) 769-8989.
- Deen-gross Eye Centers303 W 89th Ave Suite E4 Suite E4, Merrillville, IN 46410-6295Phone(219) 769-8989
Source: Dmand AI Affiliation Data
Dr. David G. Gross is affiliated with 3 sites of care and 1 medical group
Dr. Gross' primary practice is Deen-gross Eye Centers in Merrillville, Indiana. Dr. Gross is also affiliated with St. Mary Medical Center. Dmand AI also links Dr. Gross to 1 more physician office and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David G. Gross' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gross practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Deen-gross Eye Centers | 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. David G. Gross is one of 226 ophthalmologists in Indiana
Ophthalmology is Dr. Gross' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gross is licensed in Indiana.
Specialties and state licenses
- Ophthalmology, IndianaPrimary
Ophthalmologists near Dr. Gross
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. David G. Gross billed Medicare for 5,960 services in 2024
CMS data shows 5,960 Medicare services from Dr. Gross across 18 procedure codes in 2024, for 1,658 Medicare patients. Medicare paid $489,840 for them.
Dr. Gross' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,7042024: 2,5366%
- Office and hospital visits
- 2023: 2,2542024: 2,247No change
- Surgery
- 2023: 1,2112024: 1,1366%
- Imaging
- 2023: 452024: 419%
- Drugs given in the office
- 2023: 2202024: 0100%
Where Dr. Gross' Medicare services took place, 2024
- In an office4,94783%
- In a facility1,01317%
Dr. Gross compared with the Indiana median for ophthalmologists, 2024
- Dr. Gross
- Indiana median
- Medicare services
- 5,960vs 2,0222.9 times
- Medicare patients
- 1,658vs 6752.5 times
- Part D claims
- 3,252vs 7024.6 times
Medians across 240 ophthalmologists in Indiana with Dmand AI profiles that report each measure.
Dr. Gross' 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. Gross and other ophthalmologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David G. Gross treated 1,658 Medicare patients in 2024, average age 77
CMS counts 1,658 Medicare patients who saw Dr. Gross in 2024. The largest group is 75 to 84, with 715 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gross' median patient age at 75, with 58% women.
Dr. Gross' Medicare patients by age, 2024
Dr. Gross' Medicare patients by sex, 2024
- Women1,06764%
- Men59136%
Chronic conditions among Dr. Gross' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes33%
- Ischemic heart disease30%
- Chronic kidney disease22%
- Anxiety19%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
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 75
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. David G. Gross wrote 3,375 Medicare Part D claims in 2024
In 2024, Dr. Gross wrote 3,375 Medicare Part D claims for 895 patients. 58% of them were for generic drugs. CMS names the drug for 3,252 of them, across 29 drugs with 11 or more claims each, at $630,626 in total drug cost. In 2023, CMS named 3,246 claims across 30 drugs.
Dr. Gross' Part D claims by kind of drug, 2024
- Generic1,950 claims58%
- Brand-name1,425 claims42%
Dr. Gross' 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.
Drug classes CMS tracks in Dr. Gross' Part D claims, 2024
- Antibiotics1%28 of 3,375 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,2462024: 3,252No change
Drugs named by CMS: 29 in 2024, 30 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. David G. Gross ranks in the 96th percentile for cataract surgery in Medicare
Dr. Gross accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 601 procedures of cataract surgery by Dr. Gross, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Gross ranks in Medicare procedure volume
- Cataract surgery
- 96th percentile601 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David G. Gross received $7,708 in industry payments from 2016 to 2025
CMS Open Payments shows 308 general payments to Dr. Gross from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Alcon Laboratories Inc paid the most, $1,617.
General payments to Dr. Gross by program year, 2016 to 2025
General payments to Dr. Gross by kind, 2016 to 2025
- Food and beverage$7,41196%
- Speaker and faculty fees$1502%
- Education$1031%
- Honoraria$280%
- Gifts$170%
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
Sources for Dr. David G. 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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. David G. 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. David G. Gross' NPI number?
Dr. David G. Gross' NPI number is 1346373313. It was assigned on March 13, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David G. Gross?
Dr. David G. Gross is an ophthalmologist in Merrillville, Indiana. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. David G. Gross practice?
Dr. Gross practices at 303 W 89th Ave Suite E4 Suite E4, Merrillville, IN 46410-6295. Dr. Gross' primary practice is Deen-gross Eye Centers in Merrillville, Indiana. Dmand AI also links Dr. Gross to 1 physician office and 1 medical group.
What is Dr. David G. Gross' office phone number?
The practice phone on file for Dr. Gross is (219) 769-8989.
What is Dr. David G. Gross' medical license number?
Dr. Gross holds Indiana license 02001570A.
Which hospitals is Dr. David G. Gross affiliated with?
Dr. Gross is affiliated with St. Mary Medical Center.
Does Dr. David G. Gross accept Medicare?
Yes. CMS data shows Dr. Gross billed Medicare for 5,960 services in 2024, and Dr. Gross accepts Medicare assignment.
How many Medicare patients does Dr. David G. Gross see?
CMS counts 1,658 Medicare patients who saw Dr. Gross in 2024, with an average age of 77.
What services does Dr. David G. Gross bill to Medicare?
In 2024, Dr. Gross' most billed Medicare services were office visit, established patient (99214), eye exam or test (92136) and eye exam or test (92134).
What drugs does Dr. David G. Gross prescribe most?
In 2024 Medicare Part D data, Dr. Gross' most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Prednisolone Acetate.
Has Dr. David G. Gross received payments from drug or device companies?
CMS Open Payments shows $7,708 in general payments to Dr. Gross from 35 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. David G. Gross been practicing?
Dr. Gross graduated from medical school in 1991, 35 years ago.
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