Dr. Michael Jin Casey, MD

  • Charleston, SC
  • Nephrologist
NPI1194991026
Medicare services, 2024
608
Medicare patients, 2024
288
Part D claims, 2024
1,559
MIPS score, 2024
79
Industry payments
$4,783
Practice address
171 Ashley Ave, Charleston, SC 29425
Practice phone
Call (843) 792-1414
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MUSC University Hospital

Charleston, South Carolina

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Dr. Michael Jin Casey is a nephrologist in Charleston, South Carolina

Dr. Casey practices at MUSC University Hospital in Charleston, South Carolina.

Dr. Casey's NPI, 1194991026, was assigned on April 30, 2008. Dr. Casey graduated from University of North Carolina at Chapel Hill School of Medicine in 2001. Dr. Casey holds South Carolina license 81548.

NPI and contact details
NPI enumeration date
April 30, 2008
NPI status
Active
Practice phone
(843) 792-1414
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
51
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Michael Jin Casey practices at MUSC University Hospital in Charleston, South Carolina

Dr. Casey's primary practice is MUSC University Hospital, at 171 Ashley Ave, Charleston, SC 29425 in Charleston County. The practice phone is (843) 792-1414.

  • MUSC University Hospital
    171 Ashley Ave, Charleston, SC 29425 · Charleston CountyPhone(843) 792-1414

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michael Jin Casey is affiliated with 2 sites of care and 1 medical group

Dr. Casey's primary practice is MUSC University Hospital in Charleston, South Carolina. The medical group on file is MUSC Health. Dmand AI also links Dr. Casey to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Casey

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Michael Jin Casey's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Casey practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MUSC University HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Jin Casey is one of 156 nephrologists in South Carolina

Nephrology is Dr. Casey's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Casey's licenses on file in 3 states: South Carolina, California and Florida.

Specialties and state licenses

  • Nephrology, South CarolinaPrimaryLicense 81548 · taxonomy 207RN0300X
  • California licenseLicense A81604
  • Florida licenseLicense ME102226

Nephrologists near Dr. Casey

Counts of nephrologists 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. Michael Jin Casey billed Medicare for 608 services in 2024

CMS data shows 608 Medicare services from Dr. Casey across 6 procedure codes in 2024, for 288 Medicare patients. Medicare paid $47,363 for them.

Medicare services, 2024608
Medicare patients288
Paid by Medicare$47,363
Procedure codes6

Dr. Casey's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4522024: 40510%
Other services
2023: 02024: 203
Tests and treatments
2023: 202024: 0100%

Where Dr. Casey's Medicare services took place, 2024

  • In an office22136%
  • In a facility38764%

Dr. Casey compared with the South Carolina median for nephrologists, 2024

  • Dr. Casey
  • South Carolina median
Medicare services
608vs 1,63963% below
Medicare patients
288vs 41330% below
Part D claims
1,393vs 72093% above

Medians across 155 nephrologists in South Carolina with Dmand AI profiles that report each measure.

Dr. Casey'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.

See all procedures by Dr. Casey

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael Jin Casey treated 288 Medicare patients in 2024, average age 57

CMS counts 288 Medicare patients who saw Dr. Casey in 2024. The largest group is under 65, with 171 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 28% are also on Medicaid. Their average risk score is 5.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Casey's median patient age at 57, with 40% women.

Medicare patients, 2024288
Average age57
Average risk score5.55
Also on Medicaid28%

Dr. Casey's Medicare patients by age, 2024

Dr. Casey's Medicare patients by sex, 2024

  • Women11841%
  • Men17059%

Chronic conditions among Dr. Casey's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes69%
  5. Heart failure41%
  6. Ischemic heart disease41%
  7. Anxiety26%
  8. Arthritis26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Casey's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women40%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael Jin Casey wrote 1,559 Medicare Part D claims in 2024

In 2024, Dr. Casey wrote 1,559 Medicare Part D claims for 441 patients. 94% of them were for generic drugs. CMS names the drug for 1,393 of them, across 25 drugs with 11 or more claims each, at $108,410 in total drug cost. In 2023, CMS named 2,291 claims across 28 drugs.

Part D claims, 20241,559
Drugs named by CMS25
Total drug cost$108,410
Part D patients441

Dr. Casey's Part D claims by kind of drug, 2024

  • Generic1,465 claims94%
  • Brand-name94 claims6%

Dr. Casey'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. Casey's Part D claims, 2024

  • Antibiotics2%26 of 1,559 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: 2,2912024: 1,39339%

Drugs named by CMS: 25 in 2024, 28 in 2023.

See all prescribing by Dr. Casey

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. Michael Jin Casey 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. Casey for performance year 2024, reported as part of a group.

Dr. Casey'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.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Michael Jin Casey received $4,783 in industry payments from 2019 to 2025

CMS Open Payments shows 27 general payments to Dr. Casey from 7 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 83% of the total. Medtronic USA, Inc. paid the most, $4,207.

General payments to Dr. Casey by program year, 2019 to 2025

General payments to Dr. Casey by kind, 2019 to 2025

$4.8Kin total
  • Travel and lodging$3,98783%
  • Food and beverage$79617%

Companies that paid Dr. Casey the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Casey

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael Jin Casey graduated from University of North Carolina at Chapel Hill School of Medicine

Dr. Casey graduated from University of North Carolina at Chapel Hill School of Medicine in 2001.

  1. Medical schoolUniversity of North Carolina at Chapel Hill School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Jin Casey's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael Jin Casey

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. Michael Jin Casey's NPI number?

Dr. Michael Jin Casey's NPI number is 1194991026. It was assigned on April 30, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Jin Casey?

Dr. Michael Jin Casey is a nephrologist in Charleston, South Carolina. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Michael Jin Casey practice?

Dr. Casey practices at 171 Ashley Ave, Charleston, SC 29425. Dr. Casey's primary practice is MUSC University Hospital in Charleston, South Carolina. Dmand AI also links Dr. Casey to 1 group practice or clinic.

What is Dr. Michael Jin Casey's office phone number?

The practice phone on file for Dr. Casey is (843) 792-1414.

What is Dr. Michael Jin Casey's medical license number?

Dr. Casey holds South Carolina license 81548, one of the licenses on file in 3 states.

Which states has Dr. Michael Jin Casey been licensed in?

Dmand AI has state licenses on file for Dr. Casey in South Carolina, California and Florida.

What medical group is Dr. Michael Jin Casey part of?

Dr. Casey is linked to MUSC Health.

Does Dr. Michael Jin Casey accept Medicare?

Yes. CMS data shows Dr. Casey billed Medicare for 608 services in 2024.

What is Dr. Michael Jin Casey's MIPS score?

Dr. Casey's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Michael Jin Casey see?

CMS counts 288 Medicare patients who saw Dr. Casey in 2024, with an average age of 57.

Show 5 more questionsShow fewer questions

What services does Dr. Michael Jin Casey bill to Medicare?

In 2024, Dr. Casey's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and hospital inpatient care (99233).

Where did Dr. Michael Jin Casey go to medical school?

Dr. Casey graduated from University of North Carolina at Chapel Hill School of Medicine in 2001.

What drugs does Dr. Michael Jin Casey prescribe most?

In 2024 Medicare Part D data, Dr. Casey's most prescribed drugs by claims were Prednisone, Amlodipine Besylate and Carvedilol.

Has Dr. Michael Jin Casey received payments from drug or device companies?

CMS Open Payments shows $4,783 in general payments to Dr. Casey from 7 companies from 2019 to 2025. The largest total came from Medtronic USA, Inc.

How long has Dr. Michael Jin Casey been practicing?

Dr. Casey graduated from medical school in 2001, 25 years ago.

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