Robert L. Underberg, OD
Optometrist · Fort Myers, FL
Robert L. Underberg, OD is an optometrist with a practice address in Fort Myers, Florida, and NPI 1891862173, issued on Nov 29, 2006. Check the license (Florida OPC2400, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Robert L. Underberg
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPC2400 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Evans Ave, Fort Myers, FL 33901
- Phone
- (239) 939-3456
- Enumerated
- Nov 29, 2006
- Record last updated
- Jan 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (239) 790-2432
- Medicare enrollment
- Enrolled (PECOS I20051005000250); accepts Medicare assignment
- Medical or professional school
- University Alabama Birmingham - School Of Optometry, 1989
- Entity
- Type 1 · individual
8 nearest optometrist records → All 3,594 in Florida → Look up another NPI →
Also registered at 4101 Evans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Bittner, ARNPCertified Registered Nurse Anesthetist1326198656
- Mariya Bozhenok, PA-CPrimary Care Nurse Practitioner1194077487
- Valerie Crandall, M.D.Ophthalmology Physician1962409896
- Mark Eaves, ODOptometrist1518702562
- Cynthia Edwards, CRNACertified Registered Nurse Anesthetist1699765628
- Sophia El Hamichi, MDRetina Specialist (Ophthalmology) Physician1255098562
Verify Robert L. Underberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OPC2400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average optometrist in 2024
26 Medicare Part D claims for 18 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of 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: $84.48
1 payment: food and beverage; the largest payer was Amgen 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
- Gulf Coast Optometry PACape Coral, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert L. Underberg among 3,594 optometrist records in Florida
Robert L. Underberg, OD is one of 3,594 optometrist records with a practice address in Florida. 75% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1989 · median 2006 among the 1,833 with a school on file
- Record last updated2014 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Florida
There are 3,594 optometrist records in Florida.
All 3,594 in Florida → Every provider in Fort Myers → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Dana Barfield, O.D.Fort Myers, FL 339011952432783
- Buck Dunn, ODFort Myers, FL 339011912521345
- Mark Eaves, ODFort Myers, FL 339011518702562
- Maricet Hernandez, ODFort Myers, FL 339011811620719
- Angela Kaplan, ODFt Myers, FL 339011538260906
- Donna Mangatt, O.D.Fort Myers, FL 339011821168741
- Timothy McCan, O.D.Fort Myers, FL 339011588691349
- Jeffrey Moore, O.D.Fort Myers, FL 339011447275557
Common questions
What is Robert L. Underberg, OD's NPI number?
Robert L. Underberg, OD's National Provider Identifier (NPI) is 1891862173, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert L. Underberg, OD located?
The NPPES record lists a practice address at 4101 Evans Ave, Fort Myers, FL, 33901. Phone: (239) 939-3456. Providers update this record themselves, so call before visiting.
How can I verify Robert L. Underberg, OD's license?
NPPES lists Florida license number OPC2400, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert L. Underberg, OD prescribe under Medicare Part D?
In 2024, Robert L. Underberg, OD had 26 Medicare Part D claims for 18 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.