Dr. Gregory C. Bibart, MD
- Medicare services, 2024
- 1,586
- Medicare patients, 2024
- 794
- Part D claims, 2024
- 1,922
- MIPS score, 2024
- 97
- Industry payments
- $936
- Practice address
- 3412 W Centre Ave, Portage, MI 49024-4624
- Practice phone
- Call (269) 329-5860
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kalamazoo Ophthalmology
Eye care practice · Portage, Michigan
Find Dr. Bibart'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. Gregory C. Bibart is an ophthalmologist in Portage, Michigan
Dr. Bibart practices at Kalamazoo Ophthalmology in Portage, Michigan.
Dr. Bibart's NPI, 1871568485, was assigned on February 18, 2006. Dr. Bibart graduated from Wayne State University School of Medicine in 1998. Dr. Bibart holds Michigan license 4301072121.
- NPI
- 1871568485NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284778952
- NPI enumeration date
- February 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 329-5860
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory C. Bibart practices at Kalamazoo Ophthalmology in Portage, Michigan
Dr. Bibart's primary practice is Kalamazoo Ophthalmology, at 3412 W Centre Ave, Portage, MI 49024-4624. The practice phone is (269) 329-5860.
- Kalamazoo Ophthalmology3412 W Centre Ave, Portage, MI 49024-4624Phone(269) 329-5860
Source: Dmand AI Affiliation Data
Dr. Gregory C. Bibart is affiliated with 1 site of care and 1 medical group
Dr. Bibart's primary practice is Kalamazoo Ophthalmology in Portage, Michigan. Dmand AI also links Dr. Bibart to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory C. Bibart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bibart practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kalamazoo Ophthalmology | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory C. Bibart is one of 653 ophthalmologists in Michigan
Ophthalmology is Dr. Bibart's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Bibart is licensed in Michigan.
Specialties and state licenses
- Ophthalmology, MichiganPrimary
Ophthalmologists near Dr. Bibart
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. Gregory C. Bibart billed Medicare for 1,586 services in 2024
CMS data shows 1,586 Medicare services from Dr. Bibart across 12 procedure codes in 2024, for 794 Medicare patients. Medicare paid $126,048 for them.
Dr. Bibart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3022024: 1,2742%
- Office and hospital visits
- 2023: 1522024: 19830%
- Surgery
- 2023: 1262024: 11410%
Where Dr. Bibart's Medicare services took place, 2024
- In an office1,52896%
- In a facility584%
Dr. Bibart compared with the Michigan median for ophthalmologists, 2024
- Dr. Bibart
- Michigan median
- Medicare services
- 1,586vs 1,08047% above
- Medicare patients
- 794vs 40497% above
- Part D claims
- 1,851vs 6882.7 times
Medians across 670 ophthalmologists in Michigan with Dmand AI profiles that report each measure.
Dr. Bibart'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.
Need commercial claims for Dr. Bibart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bibart and other ophthalmologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory C. Bibart treated 794 Medicare patients in 2024, average age 76
CMS counts 794 Medicare patients who saw Dr. Bibart in 2024. The largest group is 65 to 74, with 358 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bibart's median patient age at 74, with 58% women.
Dr. Bibart's Medicare patients by age, 2024
Dr. Bibart's Medicare patients by sex, 2024
- Women47760%
- Men31740%
Chronic conditions among Dr. Bibart's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis42%
- Diabetes38%
- Ischemic heart disease23%
- Chronic kidney disease22%
- Mood disorders21%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bibart'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
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory C. Bibart wrote 1,922 Medicare Part D claims in 2024
In 2024, Dr. Bibart wrote 1,922 Medicare Part D claims for 599 patients. 71% of them were for generic drugs. CMS names the drug for 1,851 of them, across 12 drugs with 11 or more claims each, at $61,591 in total drug cost. In 2023, CMS named 1,789 claims across 13 drugs.
Dr. Bibart's Part D claims by kind of drug, 2024
- Generic1,371 claims71%
- Brand-name551 claims29%
Dr. Bibart'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7892024: 1,8513%
Drugs named by CMS: 12 in 2024, 13 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
Dr. Gregory C. Bibart 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 Dr. Bibart for performance year 2024, reported as part of a group. Dr. Bibart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 185 procedures of cataract surgery by Dr. Bibart, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Bibart's MIPS scores, performance year 2024
- 97of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 89of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Bibart ranks in Medicare procedure volume
- Cataract surgery
- 83rd percentile185 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory C. Bibart received $936 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Bibart from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Omeros Corporation paid the most, $152.
General payments to Dr. Bibart by program year, 2016 to 2025
Companies that paid Dr. Bibart 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. Gregory C. Bibart graduated from Wayne State University School of Medicine
Dr. Bibart graduated from Wayne State University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory C. Bibart'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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)Doctors and Clinicians Utilization Data (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. Gregory C. Bibart
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. Gregory C. Bibart's NPI number?
Dr. Gregory C. Bibart's NPI number is 1871568485. It was assigned on February 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory C. Bibart?
Dr. Gregory C. Bibart is an ophthalmologist in Portage, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Gregory C. Bibart practice?
Dr. Bibart practices at 3412 W Centre Ave, Portage, MI 49024-4624. Dr. Bibart's primary practice is Kalamazoo Ophthalmology in Portage, Michigan. Dmand AI also links Dr. Bibart to 1 medical group.
What is Dr. Gregory C. Bibart's office phone number?
The practice phone on file for Dr. Bibart is (269) 329-5860.
What is Dr. Gregory C. Bibart's medical license number?
Dr. Bibart holds Michigan license 4301072121.
Does Dr. Gregory C. Bibart accept Medicare?
Yes. CMS data shows Dr. Bibart billed Medicare for 1,586 services in 2024, and Dr. Bibart accepts Medicare assignment.
What is Dr. Gregory C. Bibart's MIPS score?
Dr. Bibart's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory C. Bibart see?
CMS counts 794 Medicare patients who saw Dr. Bibart in 2024, with an average age of 76.
What services does Dr. Gregory C. Bibart bill to Medicare?
In 2024, Dr. Bibart's most billed Medicare services were eye exam or test (92014), eye exam or test (92083) and office visit, established patient (99213).
Where did Dr. Gregory C. Bibart go to medical school?
Dr. Bibart graduated from Wayne State University School of Medicine in 1998.
Show 3 more questionsShow fewer questions
What drugs does Dr. Gregory C. Bibart prescribe most?
In 2024 Medicare Part D data, Dr. Bibart's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.
Has Dr. Gregory C. Bibart received payments from drug or device companies?
CMS Open Payments shows $936 in general payments to Dr. Bibart from 16 companies from 2016 to 2025. The largest total came from Omeros Corporation.
How long has Dr. Gregory C. Bibart been practicing?
Dr. Bibart graduated from medical school in 1998, 28 years ago.
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