Dr. Michael James Choi, MD

  • Washington, DC
  • Nephrologist
NPI1487606372PAC ID3072645969
Medicare services, 2024
885
Medicare patients, 2024
254
Part D claims, 2024
267
Publications
43
Clinical trials
1
Practice address
2021 K Nw St, Washington, DC 20006
Practice phone
Call (202) 423-7825
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Capitol SC

Washington, District of Columbia

See all 8 affiliations

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Dr. Michael James Choi is a nephrologist in Washington, District of Columbia

Dr. Choi practices at Capitol SC in Washington, District of Columbia.

Dr. Choi's NPI, 1487606372, was assigned on May 17, 2006. Dr. Choi graduated from The Johns Hopkins University School of Medicine in 1987. Dr. Choi holds Maryland license D46375.

NPI and contact details
Medicare PAC ID
3072645969
NPI enumeration date
May 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(202) 423-7825
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael James Choi practices at Capitol SC in Washington, District of Columbia

Dr. Choi's primary practice is Capitol SC, at 2021 K Nw St, Washington, DC 20006 in District Of Columbia County. The practice phone is (202) 423-7825.

  • Capitol SC
    2021 K Nw St, Washington, DC 20006 · District Of Columbia CountyPhone(202) 423-7825

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

Dr. Michael James Choi is affiliated with 5 sites of care and 3 medical groups

Dr. Choi's primary practice is Capitol SC in Washington, District of Columbia. Dr. Choi is also affiliated with MedStar Georgetown University Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Choi to 1 more hospital, 2 dialysis centers and 2 medical groups, each named with a free account.

See all 8 affiliations for Dr. Choi

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

Dmand AI tracks the EHR system at Dr. Michael James Choi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choi practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Capitol SCAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael James Choi is one of 58 nephrologists in District of Columbia

Nephrology is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Choi is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Choi's licenses on file in 3 states: Maryland, District of Columbia and Pennsylvania.

Specialties and state licenses

  • Nephrology, MarylandPrimaryLicense D46375 · 1994 to 2026 · taxonomy 207RN0300X
  • District of Columbia license2019 to 2027
  • Pennsylvania license1991 to 1994

Clinical focus

Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Choi treats.

Nephrologists near Dr. Choi

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 James Choi billed Medicare for 885 services in 2024

CMS data shows 885 Medicare services from Dr. Choi across 5 procedure codes in 2024, for 254 Medicare patients. Medicare paid $90,570 for them.

Medicare services, 2024885
Medicare patients254
Paid by Medicare$90,570
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 7982024: 88511%

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

  • In an office11613%
  • In a facility76987%

Dr. Choi compared with the District of Columbia median for nephrologists, 2024

  • Dr. Choi
  • District of Columbia median
Medicare services
885vs 76316% above
Medicare patients
254vs 22413% above
Part D claims
115vs 20845% below

Medians across 51 nephrologists in District of Columbia with Dmand AI profiles that report each measure.

Dr. Choi'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. Choi

Need commercial claims for Dr. Choi?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Choi and other nephrologists in District of Columbia.

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

Dr. Michael James Choi treated 254 Medicare patients in 2024, average age 69

CMS counts 254 Medicare patients who saw Dr. Choi in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 31% are also on Medicaid. Their average risk score is 5.43, 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. Choi's median patient age at 61, with 44% women.

Medicare patients, 2024254
Average age69
Average risk score5.43
Also on Medicaid31%

Dr. Choi's Medicare patients by age, 2024

Dr. Choi's Medicare patients by sex, 2024

  • Women12248%
  • Men13252%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes65%
  5. Ischemic heart disease57%
  6. Heart failure53%
  7. Arthritis50%
  8. Mood disorders37%

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

Dr. Choi's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Dr. Michael James Choi wrote 267 Medicare Part D claims in 2024

In 2024, Dr. Choi wrote 267 Medicare Part D claims for 37 patients. 95% of them were for generic drugs. CMS names the drug for 115 of them, across 7 drugs with 11 or more claims each, at $3,119 in total drug cost. In 2023, CMS named 100 claims across 6 drugs.

Part D claims, 2024267
Drugs named by CMS7
Total drug cost$3,119
Part D patients37

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

  • Generic254 claims95%
  • Brand-name and other13 claims5%

Dr. Choi'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: 1002024: 11515%

Drugs named by CMS: 7 in 2024, 6 in 2023.

See all prescribing by Dr. Choi

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 James Choi scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Choi for performance year 2024, reported as part of a group. Dr. Choi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Choi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Choi's MIPS scores, performance year 2024

  • 83of 100Final score
  • 72.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 68of 100Cost

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

For MedTech and pharma teams

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Dr. Michael James Choi has 43 publications on record

Dmand AI links 43 papers to Dr. Choi, published from 2008 to 2023. 2015 was the busiest year, with 6. The most frequent topics are Renal Insufficiency, Chronic, Nephrology and Kidney Failure, Chronic. Dr. Choi has published most often in Clin J Am Soc Nephrol. Dr. Choi's most frequent co-authors are Bernard Georges Jaar, MD, Michelle Mae Estrella, MD and Mohamed G. Atta, MD.

Papers43
Years published2008 to 2023

Dr. Choi's papers by year, 2012 to 2023

Topics Dr. Choi writes about most

  • Renal Insufficiency, Chronic
  • Nephrology
  • Kidney Failure, Chronic
  • Kidney Transplantation
  • Creatinine
  • Glomerular Filtration Rate
  • Glomerulonephritis, Membranous
  • Kidney Diseases

Dr. Choi's most frequent co-authors

Recent publications by Dr. Choi

See all 43 publications and co-authors

See who Dr. Choi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Choi works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michael James Choi has worked on 1 clinical trial

Dmand AI links Dr. Choi to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Macular dystrophy, corneal type 1 and Nephrosis, Lipoid.

Conditions in Dr. Choi's trials

  • Macular dystrophy, corneal type 1
  • Nephrosis, Lipoid

Investigators on the most trials with Dr. Choi

Recent clinical trials with Dr. Choi

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Michael James Choi received $5,972 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Dr. Choi from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 70% of the total. GlaxoSmithKline, LLC. paid the most, $4,165.

General payments to Dr. Choi by program year, 2016 to 2025

General payments to Dr. Choi by kind, 2016 to 2025

$6Kin total
  • Consulting fees$4,16570%
  • Food and beverage$1,13519%
  • Education$3997%
  • Travel and lodging$2745%

Companies that paid Dr. Choi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Choi

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

Dr. Michael James Choi has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Choi, most recently Super Doc in 2014.

Awards and honors for Dr. Choi

  1. 2014
    • Super Doc
  2. 2013
    • Checkbook Top Doc
  3. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Michael James Choi graduated from The Johns Hopkins University School of Medicine

Dr. Choi graduated from The Johns Hopkins University School of Medicine in 1987.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Michael James Choi accepts plans from 19 insurance carriers

Dr. Choi is in network with 19 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Choi accepts, by number of carriers

  1. PPO13
  2. HMO9
  3. Medicare9
  4. EPO5
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael James Choi'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 DataDmand AI Org Hierarchy 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 James Choi

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 James Choi's NPI number?

Dr. Michael James Choi's NPI number is 1487606372. It was assigned on May 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael James Choi?

Dr. Michael James Choi is a nephrologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Michael James Choi practice?

Dr. Choi practices at 2021 K Nw St, Washington, DC 20006. Dr. Choi's primary practice is Capitol SC in Washington, District of Columbia. Dmand AI also links Dr. Choi to 1 hospital, 2 dialysis centers and 2 medical groups.

What is Dr. Michael James Choi's office phone number?

The practice phone on file for Dr. Choi is (202) 423-7825.

What is Dr. Michael James Choi's medical license number?

Dr. Choi holds Maryland license D46375, one of the licenses on file in 3 states.

Which states has Dr. Michael James Choi been licensed in?

Dmand AI has state licenses on file for Dr. Choi in Maryland (1994 to 2026), District of Columbia (2019 to 2027) and Pennsylvania (1991 to 1994).

Which hospitals is Dr. Michael James Choi affiliated with?

Dr. Choi is affiliated with MedStar Georgetown University Hospital. Dmand AI links Dr. Choi to 1 more hospital.

What medical group is Dr. Michael James Choi part of?

Dr. Choi is linked to MedStar Medical Group. Dmand AI links Dr. Choi to 2 more medical groups.

Does Dr. Michael James Choi accept Medicare?

Yes. CMS data shows Dr. Choi billed Medicare for 885 services in 2024, and Dr. Choi accepts Medicare assignment.

Does Dr. Michael James Choi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Choi as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Michael James Choi's MIPS score?

Dr. Choi's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Michael James Choi see?

CMS counts 254 Medicare patients who saw Dr. Choi in 2024, with an average age of 69.

Is Dr. Michael James Choi board certified?

Yes. Dr. Choi is board certified in nephrology by the American Board of Internal Medicine.

What services does Dr. Michael James Choi bill to Medicare?

In 2024, Dr. Choi's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

Where did Dr. Michael James Choi go to medical school?

Dr. Choi graduated from The Johns Hopkins University School of Medicine in 1987.

What drugs does Dr. Michael James Choi prescribe most?

In 2024 Medicare Part D data, Dr. Choi's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Calcitriol.

Has Dr. Michael James Choi received payments from drug or device companies?

CMS Open Payments shows $5,972 in general payments to Dr. Choi from 11 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Michael James Choi been practicing?

Dr. Choi graduated from medical school in 1987, 39 years ago.

Does Dr. Michael James Choi do research?

Dmand AI links 43 publications to Dr. Choi, published from 2008 to 2023. Dr. Choi has worked on 1 clinical trial.

Who does Dr. Michael James Choi publish with?

Dr. Choi's most frequent co-authors are Bernard Georges Jaar, MD (11 shared papers), Michelle Mae Estrella, MD (7 shared papers) and Mohamed G. Atta, MD (3 shared papers).

What insurance does Dr. Michael James Choi accept?

Dr. Choi is in network with 19 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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