Marguerite R. Gross, OD
Optometrist · Cary, NC
Marguerite R. Gross, OD is an optometrist with a practice address in Cary, North Carolina, and NPI 1629027651, issued on May 8, 2006. Check the license (North Carolina 1340, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marguerite R. Gross
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1340 NC
Self-reported in NPPES; status is on the state search - Practice location
- 229 Crossroads Blvd, Cary, NC 27511
- Phone
- (919) 233-8500
- Enumerated
- May 8, 2006
- Record last updated
- Mar 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (919) 233-9783
- Medicare enrollment
- Enrolled (PECOS I20101021000804); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1989
- Entity
- Type 1 · individual
Also registered at 229 Crossroads Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cameron Black, O.D.Optometrist1598168445
- Andrew Loudon, O.D.Optometrist1548663958
- Michael Samuels, ODOptometrist1164890521
- Stuart Samuels, ODOptometrist1801845813
- Natalie Wieand, O.D.Optometrist1265586309
- Kelsie Wilson, ODStudent in an Organized Health Care Education/Training Program1194651653
Verify Marguerite R. Gross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
Search for license 1340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average optometrist in 2024
269 Medicare Part D claims for 106 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Latanoprost60 claims
- Restasis49 claims
- Timolol Maleate38 claims
- Lumigan16 claims
- Xiidra15 claims
- Prednisolone Acetate13 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: $469.57
16 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Bills Medicare through one group practice
- Eyecarecenter OD PACary, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
48 optometrist records list a practice address in Cary
They are 48 of the 5,665 NPPES records with a practice address in Cary, and 1,480 optometrist records in North Carolina.
All 48 in Cary → All 1,480 in North Carolina → Every provider in Cary →
Other optometrist records in North Carolina
- Charlotte Ablott, ODSalisbury, NC1316382773
- Eric Ablott, ODRandleman, NC1356629026
- John Adams, ODLumberton, NC1528131943
- Rick Adams, ODRocky Mount, NC1649241753
- William Adams, O.D.Benson, NC1821056052
- William Adams, ODKill Devil Hills, NC1497826986
- Joyce Adeleke, O.D.Concord, NC1700892031
- Allan Adkins, O.D.High Point, NC1285686857
- Barry Adler, O.D.Chapel Hill, NC1871548677
- Ji Young Ahn, ODBurlington, NC1215713466
Common questions
What is Marguerite R. Gross, OD's NPI number?
Marguerite R. Gross, OD's National Provider Identifier (NPI) is 1629027651, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marguerite R. Gross, OD located?
The NPPES record lists a practice address at 229 Crossroads Blvd, Cary, NC, 27511. Phone: (919) 233-8500. Providers update this record themselves, so call before visiting.
How can I verify Marguerite R. Gross, OD's license?
NPPES lists North Carolina license number 1340, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Marguerite R. Gross, OD prescribe under Medicare Part D?
In 2024, Marguerite R. Gross, OD had 269 Medicare Part D claims for 106 beneficiaries; the average among optometrist prescribers was 277. 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.