Robert Lanier Groat, M.D.
Ophthalmology Physician · Greensboro, NC
Robert Lanier Groat, M.D. is an ophthalmology physician with a practice address in Greensboro, North Carolina, and NPI 1033135108, issued on Jul 14, 2006. Check the license (North Carolina 19234, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Lanier Groat
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 19234 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1317 N Elm St, Greensboro, NC 27401
- Phone
- (336) 378-1442
- Enumerated
- Jul 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (336) 378-1970
- Medicaid ID
- 8937702 NC
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 688 in North Carolina → Look up another NPI →
Also registered at 1317 N Elm St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edwin Green, MDInternal Medicine Physician1235199183
- Christopher Groat, MDOphthalmology Physician1427347228
- Gerald Hill, M.D.Family Medicine Physician1114971009
- James Maxwell, MDDiagnostic Radiology Physician1235113911
- Clyde Nolan, M.D.Dermatology Physician1043285794
Verify Robert Lanier Groat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 19234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average ophthalmology physician in 2024
4,051 Medicare Part D claims for 758 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost1,720 claims
- Dorzolamide-Timolol828 claims
- Timolol Maleate213 claims
- Cromolyn Sodium197 claims
- Lumigan153 claims
- Brimonidine Tartrate149 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $340.50
15 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert Lanier Groat among 688 ophthalmology physician records in North Carolina
Robert Lanier Groat, M.D. is one of 688 ophthalmology physician records with a practice address in North Carolina. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in North Carolina
There are 688 ophthalmology physician records in North Carolina.
All 688 in North Carolina → Every provider in Greensboro → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Timothy Bevis, MDGreensboro, NC 274011598710923
- Sigmund Gould, MDGreensboro, NC 274011932128055
- Christopher Groat, MDGreensboro, NC 274011427347228
- Richard Groat, MDGreensboro, NC 274011497011274
- Harold Jacklin, MDGreensboro, NC 274011528001625
- John Matthews, MDGreensboro, NC 274011659375483
- Mark Shapiro, MDGreensboro, NC 274011861494437
- Karl Stonecipher, MDGreensboro, NC 274011427172246
Common questions
What is Robert Lanier Groat, M.D.'s NPI number?
Robert Lanier Groat, M.D.'s National Provider Identifier (NPI) is 1033135108, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lanier Groat, M.D. located?
The NPPES record lists a practice address at 1317 N Elm St, Greensboro, NC, 27401. Phone: (336) 378-1442. Providers update this record themselves, so call before visiting.
How can I verify Robert Lanier Groat, M.D.'s license?
NPPES lists North Carolina license number 19234, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Lanier Groat, M.D. prescribe under Medicare Part D?
In 2024, Robert Lanier Groat, M.D. had 4,051 Medicare Part D claims for 758 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.