Dr. Karen Brian Fernandez, MD
- Medicare services, 2024
- 1,591
- Medicare patients, 2024
- 726
- Part D claims, 2024
- 1,159
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Practice address
- 1208 2 Island Ct, Mount Pleasant, SC 29466
- Practice phone
- Call (803) 286-4666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC Physicians
Mount Pleasant, South Carolina
Find Dr. Fernandez'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. Karen Brian Fernandez is an ophthalmologist in Mount Pleasant, South Carolina
Dr. Fernandez practices at MUSC Physicians in Mount Pleasant, South Carolina.
Dr. Fernandez's NPI, 1205132800, was assigned on January 31, 2011. Dr. Fernandez holds South Carolina license 52196.
- NPI
- 1205132800NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638465867
- NPI enumeration date
- January 31, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 286-4666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen Brian Fernandez practices at MUSC Physicians in Mount Pleasant, South Carolina
Dr. Fernandez's primary practice is MUSC Physicians, at 1208 2 Island Ct, Mount Pleasant, SC 29466 in Charleston County. The practice phone is (803) 286-4666.
- MUSC Physicians1208 2 Island Ct, Mount Pleasant, SC 29466 · Charleston CountyPhone(803) 286-4666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karen Brian Fernandez is affiliated with 6 sites of care and 4 medical groups
Dr. Fernandez's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. Dr. Fernandez is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Health. Dmand AI also links Dr. Fernandez to 4 more group practices and clinics and 3 medical groups, 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 Dr. Karen Brian Fernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fernandez practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC Physicians | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen Brian Fernandez is one of 269 ophthalmologists in South Carolina
Ophthalmology is Dr. Fernandez's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Fernandez's licenses on file in 2 states: South Carolina and Pennsylvania.
Specialties and state licenses
- Ophthalmology, South CarolinaPrimary
- Pennsylvania license
Ophthalmologists near Dr. Fernandez
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. Karen Brian Fernandez billed Medicare for 1,591 services in 2024
CMS data shows 1,591 Medicare services from Dr. Fernandez across 12 procedure codes in 2024, for 726 Medicare patients. Medicare paid $165,057 for them.
Dr. Fernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9832024: 1,09111%
- Tests and treatments
- 2023: 3702024: 26229%
- Surgery
- 2023: 1812024: 23831%
Where Dr. Fernandez's Medicare services took place, 2024
- In an office1,47092%
- In a facility1218%
Dr. Fernandez compared with the South Carolina median for ophthalmologists, 2024
- Dr. Fernandez
- South Carolina median
- Medicare services
- 1,591vs 2,44635% below
- Medicare patients
- 726vs 88118% below
- Part D claims
- 1,073vs 74843% above
Medians across 277 ophthalmologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Fernandez'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen Brian Fernandez treated 726 Medicare patients in 2024, average age 73
CMS counts 726 Medicare patients who saw Dr. Fernandez in 2024. The largest group is 65 to 74, with 348 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fernandez's median patient age at 70, with 65% women.
Dr. Fernandez's Medicare patients by age, 2024
Dr. Fernandez's Medicare patients by sex, 2024
- Women50169%
- Men22531%
Chronic conditions among Dr. Fernandez's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis52%
- Anxiety29%
- Diabetes27%
- Mood disorders26%
- Depression24%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen Brian Fernandez wrote 1,159 Medicare Part D claims in 2024
In 2024, Dr. Fernandez wrote 1,159 Medicare Part D claims for 337 patients. 34% of them were for generic drugs. CMS names the drug for 1,073 of them, across 20 drugs with 11 or more claims each, at $522,644 in total drug cost. In 2023, CMS named 843 claims across 17 drugs.
Dr. Fernandez's Part D claims by kind of drug, 2024
- Generic390 claims34%
- Brand-name769 claims66%
Dr. Fernandez'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.
Drug classes CMS tracks in Dr. Fernandez's Part D claims, 2024
- Antibiotics3%30 of 1,159 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8432024: 1,07327%
Drugs named by CMS: 20 in 2024, 17 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. Karen Brian Fernandez scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Fernandez for performance year 2024, reported as part of a group. Dr. Fernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 174 procedures of cataract surgery by Dr. Fernandez, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Fernandez's MIPS scores, performance year 2024
- 79of 100Final score
- 62.4of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Fernandez ranks in Medicare procedure volume
- Cataract surgery
- 82nd percentile174 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. Karen Brian Fernandez received $13,293 in industry payments from 2018 to 2025
CMS Open Payments shows 61 general payments to Dr. Fernandez from 21 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 46% of the total. Glaukos Corporation paid the most, $8,575.
General payments to Dr. Fernandez by program year, 2018 to 2025
General payments to Dr. Fernandez by kind, 2018 to 2025
- Consulting fees$6,14346%
- Food and beverage$4,27832%
- Travel and lodging$1,87214%
- Compensation for serving as faculty or as a speaker for a medical education program$1,0008%
Companies that paid Dr. Fernandez the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Karen Brian Fernandez's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karen Brian Fernandez
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. Karen Brian Fernandez's NPI number?
Dr. Karen Brian Fernandez's NPI number is 1205132800. It was assigned on January 31, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Brian Fernandez?
Dr. Karen Brian Fernandez is an ophthalmologist in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Karen Brian Fernandez practice?
Dr. Fernandez practices at 1208 2 Island Ct, Mount Pleasant, SC 29466. Dr. Fernandez's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. Dmand AI also links Dr. Fernandez to 4 group practices and clinics and 3 medical groups.
What is Dr. Karen Brian Fernandez's office phone number?
The practice phone on file for Dr. Fernandez is (803) 286-4666.
What is Dr. Karen Brian Fernandez's medical license number?
Dr. Fernandez holds South Carolina license 52196, one of the licenses on file in 2 states.
Which states has Dr. Karen Brian Fernandez been licensed in?
Dmand AI has state licenses on file for Dr. Fernandez in South Carolina and Pennsylvania.
Which hospitals is Dr. Karen Brian Fernandez affiliated with?
Dr. Fernandez is affiliated with MUSC Health University Medical Center.
What medical group is Dr. Karen Brian Fernandez part of?
Dr. Fernandez is linked to MUSC Health. Dmand AI links Dr. Fernandez to 3 more medical groups.
Does Dr. Karen Brian Fernandez accept Medicare?
Yes. CMS data shows Dr. Fernandez billed Medicare for 1,591 services in 2024, and Dr. Fernandez accepts Medicare assignment.
What is Dr. Karen Brian Fernandez's MIPS score?
Dr. Fernandez's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Karen Brian Fernandez see?
CMS counts 726 Medicare patients who saw Dr. Fernandez in 2024, with an average age of 73.
What services does Dr. Karen Brian Fernandez bill to Medicare?
In 2024, Dr. Fernandez's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, established patient (99213).
What drugs does Dr. Karen Brian Fernandez prescribe most?
In 2024 Medicare Part D data, Dr. Fernandez's most prescribed drugs by claims were Xiidra, Prednisolone Acetate and Cyclosporine.
Has Dr. Karen Brian Fernandez received payments from drug or device companies?
CMS Open Payments shows $13,293 in general payments to Dr. Fernandez from 21 companies from 2018 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Karen Brian Fernandez been practicing?
Dr. Fernandez graduated from medical school in 2005, 21 years ago.
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