Dr. Robert Lanier Groat, MD
- Medicare services, 2024
- 1,482
- Medicare patients, 2024
- 666
- Part D claims, 2024
- 4,051
- Industry payments
- $5,295
- Affiliated sites
- 1
- Practice address
- 1317 N Elm St, Greensboro, NC 27401
- Practice phone
- Call (336) 378-1442
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Groat Eyecare Associates, P.A.
Greensboro, North Carolina
Find Dr. Groat'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. Robert Lanier Groat is an ophthalmologist in Greensboro, North Carolina
Dr. Groat practices at Groat Eyecare Associates, P.A. in Greensboro, North Carolina.
Dr. Groat's NPI, 1033135108, was assigned on July 14, 2006. Dr. Groat graduated from Harvard Medical School in 1970. Dr. Groat holds North Carolina license 19234.
- NPI
- 1033135108NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (336) 378-1442
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert Lanier Groat practices at Groat Eyecare Associates, P.A. in Greensboro, North Carolina
Dr. Groat's primary practice is Groat Eyecare Associates, P.A., at 1317 N Elm St, Greensboro, NC 27401 in Guilford County. The practice phone is (336) 378-1442.
- Groat Eyecare Associates, P.A.1317 N Elm St, Greensboro, NC 27401 · Guilford CountyPhone(336) 378-1442
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Lanier Groat is affiliated with 2 sites of care and 1 medical group
Dr. Groat's primary practice is Groat Eyecare Associates, P.A. in Greensboro, North Carolina. Dmand AI also links Dr. Groat 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 Dr. Robert Lanier Groat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Groat practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Groat Eyecare Associates, P.A. | 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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Dr. Robert Lanier Groat is one of 552 ophthalmologists in North Carolina
Ophthalmology is Dr. Groat's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Groat is licensed in North Carolina.
Specialties and state licenses
- Ophthalmology, North CarolinaPrimary
Ophthalmologists near Dr. Groat
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. Robert Lanier Groat billed Medicare for 1,482 services in 2024
CMS data shows 1,482 Medicare services from Dr. Groat across 15 procedure codes in 2024, for 666 Medicare patients. Medicare paid $85,529 for them. Every service was in an office.
Dr. Groat's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,2852024: 1,13811%
- Office and hospital visits
- 2023: 3022024: 3103%
- Surgery
- 2023: 442024: 1859%
- Imaging
- 2023: 172024: 166%
Dr. Groat compared with the North Carolina median for ophthalmologists, 2024
- Dr. Groat
- North Carolina median
- Medicare services
- 1,482vs 1,70113% below
- Medicare patients
- 666vs 56618% above
- Part D claims
- 3,952vs 6206.4 times
Medians across 580 ophthalmologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Groat'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. Groat and other ophthalmologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Lanier Groat treated 666 Medicare patients in 2024, average age 75
CMS counts 666 Medicare patients who saw Dr. Groat in 2024. The largest group is 65 to 74, with 256 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Groat's median patient age at 74, with 60% women.
Dr. Groat's Medicare patients by age, 2024
Dr. Groat's Medicare patients by sex, 2024
- Women36955%
- Men29745%
Chronic conditions among Dr. Groat's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Diabetes37%
- Chronic kidney disease30%
- Ischemic heart disease28%
- Anxiety24%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Groat's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Lanier Groat wrote 4,051 Medicare Part D claims in 2024
In 2024, Dr. Groat wrote 4,051 Medicare Part D claims for 758 patients. 73% of them were for generic drugs. CMS names the drug for 3,952 of them, across 24 drugs with 11 or more claims each, at $305,551 in total drug cost. In 2023, CMS named 3,843 claims across 26 drugs.
Dr. Groat's Part D claims by kind of drug, 2024
- Generic2,950 claims73%
- Brand-name1,101 claims27%
Dr. Groat'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.
Drug classes CMS tracks in Dr. Groat's Part D claims, 2024
- Antibiotics0%11 of 4,051 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: 3,8432024: 3,9523%
Drugs named by CMS: 24 in 2024, 26 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
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Dr. Robert Lanier Groat received $5,295 in industry payments from 2016 to 2025
CMS Open Payments shows 186 general payments to Dr. Groat from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $1,056.
General payments to Dr. Groat by program year, 2016 to 2025
General payments to Dr. Groat by kind, 2016 to 2025
- Food and beverage$5,276100%
- Gifts$190%
Companies that paid Dr. Groat 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. Robert Lanier Groat graduated from Harvard Medical School
Dr. Groat graduated from Harvard Medical School in 1970.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Lanier Groat'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) |
| 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. Robert Lanier Groat
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. Robert Lanier Groat's NPI number?
Dr. Robert Lanier Groat's NPI number is 1033135108. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Lanier Groat?
Dr. Robert Lanier Groat is an ophthalmologist in Greensboro, North Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Robert Lanier Groat practice?
Dr. Groat practices at 1317 N Elm St, Greensboro, NC 27401. Dr. Groat's primary practice is Groat Eyecare Associates, P.A. in Greensboro, North Carolina. Dmand AI also links Dr. Groat to 1 group practice or clinic and 1 medical group.
What is Dr. Robert Lanier Groat's office phone number?
The practice phone on file for Dr. Groat is (336) 378-1442.
What is Dr. Robert Lanier Groat's medical license number?
Dr. Groat holds North Carolina license 19234.
Does Dr. Robert Lanier Groat accept Medicare?
Yes. CMS data shows Dr. Groat billed Medicare for 1,482 services in 2024.
How many Medicare patients does Dr. Robert Lanier Groat see?
CMS counts 666 Medicare patients who saw Dr. Groat in 2024, with an average age of 75.
What services does Dr. Robert Lanier Groat bill to Medicare?
In 2024, Dr. Groat's most billed Medicare services were eye exam or test (92014), eye exam or test (92083) and eye exam or test (92133).
Where did Dr. Robert Lanier Groat go to medical school?
Dr. Groat graduated from Harvard Medical School in 1970.
What drugs does Dr. Robert Lanier Groat prescribe most?
In 2024 Medicare Part D data, Dr. Groat's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. Robert Lanier Groat received payments from drug or device companies?
CMS Open Payments shows $5,295 in general payments to Dr. Groat from 30 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Robert Lanier Groat been practicing?
Dr. Groat graduated from medical school in 1970, 56 years ago.
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