Dr. Michael James Choi, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Capitol SC
Washington, District of Columbia
Find Dr. Choi'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. 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
- 1487606372NPI Registry (opens in a new tab)
- 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
- Get email
- 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 SC2021 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.
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.
| Site | EHR vendor and product |
|---|---|
| Capitol SC | Available with a free account |
| +4 more sites and 2 medical groups | Available 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, MarylandPrimary
- District of Columbia license
- Pennsylvania license
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.
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.
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.
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.
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
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes65%
- Ischemic heart disease57%
- Heart failure53%
- Arthritis50%
- 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.
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.
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
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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.
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
- Bernard Georges Jaar, MD11 shared papers
- Michelle Mae Estrella, MD7 shared papers
- Mohamed G. Atta, MD3 shared papers
Recent publications by Dr. Choi
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.
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
- Andrew S. Bomback, MD1 shared trial
- Gabriel Nicolas Contreras, MD, MPH1 shared trial
- Fernando C. Fervenza, MD1 shared trial
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
- 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.
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
- 2014
- Super Doc
- 2013
- Checkbook Top Doc
- 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.
- Medical school
- Board certified in nephrology
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.
- Aetna
- Elevance
- United Healthcare
- CareFirst BlueCross BlueShield
- Cigna
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +11 more carriersWith a free account
Plan types Dr. Choi accepts, by number of carriers
- PPO13
- HMO9
- Medicare9
- EPO5
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael James Choi'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. 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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