Gregory A. Lieb, OD
- Medicare patients, 2024
- 225
- Part D claims, 2024
- 1,741
- MIPS score, 2024
- 97
- Industry payments
- $237
- Affiliated sites
- 1
- Practice address
- 403 Vonderburg Dr, Brandon, FL 33511
- Practice phone
- Call (813) 681-1122
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Florida Eye Specialists and Cataract Institute
Brandon, Florida
Find Gregory Lieb'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.
Gregory A. Lieb is an optometrist in Brandon, Florida
Gregory Lieb practices at Florida Eye Specialists and Cataract Institute in Brandon, Florida.
Gregory Lieb's NPI, 1962400952, was assigned on July 13, 2005. Gregory Lieb graduated from New England College of Optometry in 1999. Gregory Lieb holds Florida license OPC 3354.
- NPI
- 1962400952NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608976360
- NPI enumeration date
- July 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (813) 681-1122
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory A. Lieb practices at Florida Eye Specialists and Cataract Institute in Brandon, Florida
Gregory Lieb's primary practice is Florida Eye Specialists and Cataract Institute, at 403 Vonderburg Dr, Brandon, FL 33511 in Hillsborough County. The practice phone is (813) 681-1122.
- Florida Eye Specialists and Cataract Institute403 Vonderburg Dr, Brandon, FL 33511 · Hillsborough CountyPhone(813) 681-1122
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory A. Lieb is affiliated with 2 sites of care and 2 medical groups
Gregory Lieb's primary practice is Florida Eye Specialists and Cataract Institute in Brandon, Florida. Dmand AI also links Gregory Lieb to 2 medical groups and 1 group practice or clinic, 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 Gregory A. Lieb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Lieb practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Florida Eye Specialists and Cataract Institute | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory A. Lieb is one of 2,585 optometrists in Florida
Optometrist is Gregory Lieb's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Lieb is licensed in Florida.
Specialties and state licenses
- Optometrist, FloridaPrimary
Optometrists near Gregory Lieb
Counts of optometrists 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
Gregory A. Lieb treated 225 Medicare patients in 2024, average age 76
CMS counts 225 Medicare patients who saw Gregory Lieb in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Lieb's median patient age at 74, with 59% women.
Gregory Lieb's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Lieb's Medicare patients by sex, 2024
- Women14765%
- Men7835%
Chronic conditions among Gregory Lieb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes35%
- Ischemic heart disease33%
- Anxiety30%
- Chronic kidney disease27%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Gregory Lieb'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
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory A. Lieb wrote 1,741 Medicare Part D claims in 2024
In 2024, Gregory Lieb wrote 1,741 Medicare Part D claims for 541 patients. 72% of them were for generic drugs.
Gregory Lieb's Part D claims by kind of drug, 2024
- Generic1,248 claims72%
- Brand-name493 claims28%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gregory A. Lieb scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Gregory Lieb for performance year 2024, reported as part of a group. Gregory Lieb accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gregory Lieb's MIPS scores, performance year 2024
- 97of 100Final score
- 96.9of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gregory A. Lieb received $237 in industry payments in 2025
CMS Open Payments shows 10 general payments to Gregory Lieb from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $46.
Companies that paid Gregory Lieb the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory A. Lieb graduated from New England College of Optometry
Gregory Lieb graduated from New England College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory A. Lieb'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 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 Gregory A. Lieb
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory A. Lieb's NPI number?
Gregory A. Lieb's NPI number is 1962400952. It was assigned on July 13, 2005, and it is active in the NPI Registry.
What does Gregory A. Lieb specialize in?
Gregory A. Lieb is an optometrist in Brandon, Florida. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gregory A. Lieb practice?
Gregory Lieb practices at 403 Vonderburg Dr, Brandon, FL 33511. Gregory Lieb's primary practice is Florida Eye Specialists and Cataract Institute in Brandon, Florida. Dmand AI also links Gregory Lieb to 2 medical groups and 1 group practice or clinic.
What is Gregory A. Lieb's office phone number?
The practice phone on file for Gregory Lieb is (813) 681-1122.
What is Gregory A. Lieb's medical license number?
Gregory Lieb holds Florida license OPC 3354.
Does Gregory A. Lieb accept Medicare?
Yes. CMS lists Gregory Lieb as accepting Medicare assignment.
What is Gregory A. Lieb's MIPS score?
Gregory Lieb's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Gregory A. Lieb see?
CMS counts 225 Medicare patients who saw Gregory Lieb in 2024, with an average age of 76.
Where did Gregory A. Lieb go to medical school?
Gregory Lieb graduated from New England College of Optometry in 1999.
Has Gregory A. Lieb received payments from drug or device companies?
CMS Open Payments shows $237 in general payments to Gregory Lieb from 8 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Gregory A. Lieb been practicing?
Gregory Lieb graduated from medical school in 1999, 27 years ago.
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