Dr. Seunghwan Byun, MD

  • Brooklyn, NY
  • Hospitalist
NPI1013399294PAC ID0143537720
Medicare services, 2024
703
Medicare patients, 2024
457
Part D claims, 2024
133
MIPS score, 2024
93
Hospital affiliations
5
Practice address
140 St Edwards Street, Brooklyn, NY 11201
Practice phone
Call (718) 858-6400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Phoenix Rehabilitation and Nursing Center

Skilled Nursing Facility · Brooklyn, New York

See all 15 affiliations

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Dr. Seunghwan Byun is a hospitalist in Brooklyn, New York

Dr. Byun practices at The Phoenix Rehabilitation and Nursing Center in Brooklyn, New York.

Dr. Byun's NPI, 1013399294, was assigned on June 23, 2015. Dr. Byun holds New York license 319091.

NPI and contact details
Medicare PAC ID
0143537720
NPI enumeration date
June 23, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(718) 858-6400
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Seunghwan Byun practices at The Phoenix Rehabilitation and Nursing Center in Brooklyn, New York

Dr. Byun's primary practice is The Phoenix Rehabilitation and Nursing Center, at 140 St Edwards Street, Brooklyn, NY 11201 in Kings County. The practice phone is (718) 858-6400.

  • The Phoenix Rehabilitation and Nursing Center
    140 St Edwards Street, Brooklyn, NY 11201 · Kings CountyPhone(718) 858-6400

Source: Dmand AI Affiliation Data

Dr. Seunghwan Byun is affiliated with 7 sites of care and 8 medical groups

Dr. Byun's primary practice is The Phoenix Rehabilitation and Nursing Center in Brooklyn, New York. Dr. Byun is also affiliated with Montefiore Einstein Hospital-Moses Campus. The medical group on file is Empire Wound Physician Services. Dmand AI also links Dr. Byun to 4 more hospitals, 7 medical groups and 1 skilled nursing facility, each named with a free account.

See all 15 affiliations for Dr. Byun

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Seunghwan Byun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Byun practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Phoenix Rehabilitation and Nursing CenterAvailable with a free account
+6 more sites and 7 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Seunghwan Byun is one of 1,796 hospitalists in New York

Hospitalist is Dr. Byun's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Byun's licenses on file in 2 states: New York and New Mexico.

Specialties and state licenses

  • Hospitalist, New YorkPrimaryLicense 319091 · taxonomy 208M00000X
  • New Mexico licenseLicense MD2018-0297

Hospitalists near Dr. Byun

Counts of hospitalists 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. Seunghwan Byun billed Medicare for 703 services in 2024

CMS data shows 703 Medicare services from Dr. Byun across 7 procedure codes in 2024, for 457 Medicare patients. Medicare paid $70,733 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024703
Medicare patients457
Paid by Medicare$70,733
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 5632024: 70325%

Dr. Byun compared with the New York median for hospitalists, 2024

  • Dr. Byun
  • New York median
Medicare services
703vs 38881% above
Medicare patients
457vs 1632.8 times
Part D claims
26vs 5553% below

Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.

Dr. Byun'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. Byun

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

Dr. Seunghwan Byun treated 457 Medicare patients in 2024, average age 79

CMS counts 457 Medicare patients who saw Dr. Byun in 2024. The largest group is 75 to 84, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.50, 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. Byun's median patient age at 81, with 60% women.

Medicare patients, 2024457
Average age79
Average risk score2.50
Also on Medicaid36%

Dr. Byun's Medicare patients by age, 2024

Dr. Byun's Medicare patients by sex, 2024

  • Women25756%
  • Men20044%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Ischemic heart disease49%
  5. Mood disorders49%
  6. Diabetes47%
  7. Depression46%
  8. Heart failure44%

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

Dr. Byun's patients across all payers

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

Patient panel by age, all payers

Median age 81

Patient panel by sex, all payers

  • Women60%
  • Men37%

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

Dr. Seunghwan Byun wrote 133 Medicare Part D claims in 2024

In 2024, Dr. Byun wrote 133 Medicare Part D claims for 59 patients. 86% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $120 in total drug cost. In 2023, CMS named 234 claims across 15 drugs.

Part D claims, 2024133
Drugs named by CMS2
Total drug cost$120
Part D patients59

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

  • Generic115 claims86%
  • Brand-name18 claims14%

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

  • Antibiotics16%21 of 133 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: 2342024: 2689%

Drugs named by CMS: 2 in 2024, 15 in 2023.

See all prescribing by Dr. Byun

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. Seunghwan Byun scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Byun for performance year 2024, reported through an alternative payment model (APM). Dr. Byun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Byun as offering telehealth. CMS counts 561 procedures of removal of tissue by Dr. Byun, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Byun's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Byun ranks in Medicare procedure volume

Removal of tissue
97th percentile561 procedures
Removal of skin lesions
70th percentile38 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

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. Seunghwan Byun received $292 in industry payments from 2017 to 2024

CMS Open Payments shows 5 general payments to Dr. Byun from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $125.

General payments to Dr. Byun by program year, 2017 to 2024

Companies that paid Dr. Byun the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Byun

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

Sources for Dr. Seunghwan Byun'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Seunghwan Byun

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. Seunghwan Byun's NPI number?

Dr. Seunghwan Byun's NPI number is 1013399294. It was assigned on June 23, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Seunghwan Byun?

Dr. Seunghwan Byun is a hospitalist in Brooklyn, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Seunghwan Byun practice?

Dr. Byun practices at 140 St Edwards Street, Brooklyn, NY 11201. Dr. Byun's primary practice is The Phoenix Rehabilitation and Nursing Center in Brooklyn, New York. Dmand AI also links Dr. Byun to 4 hospitals, 7 medical groups and 1 skilled nursing facility.

What is Dr. Seunghwan Byun's office phone number?

The practice phone on file for Dr. Byun is (718) 858-6400.

What is Dr. Seunghwan Byun's medical license number?

Dr. Byun holds New York license 319091, one of the licenses on file in 2 states.

Which states has Dr. Seunghwan Byun been licensed in?

Dmand AI has state licenses on file for Dr. Byun in New York and New Mexico.

Which hospitals is Dr. Seunghwan Byun affiliated with?

Dr. Byun is affiliated with Montefiore Einstein Hospital-Moses Campus. Dmand AI links Dr. Byun to 4 more hospitals.

What medical group is Dr. Seunghwan Byun part of?

Dr. Byun is linked to Empire Wound Physician Services. Dmand AI links Dr. Byun to 7 more medical groups.

Does Dr. Seunghwan Byun accept Medicare?

Yes. CMS data shows Dr. Byun billed Medicare for 703 services in 2024, and Dr. Byun accepts Medicare assignment.

Does Dr. Seunghwan Byun offer telehealth?

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

Show 6 more questionsShow fewer questions

What is Dr. Seunghwan Byun's MIPS score?

Dr. Byun's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Seunghwan Byun see?

CMS counts 457 Medicare patients who saw Dr. Byun in 2024, with an average age of 79.

What services does Dr. Seunghwan Byun bill to Medicare?

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

What drugs does Dr. Seunghwan Byun prescribe most?

In 2024 Medicare Part D data, Dr. Byun's most prescribed drugs by claims were Furosemide and Spironolactone.

Has Dr. Seunghwan Byun received payments from drug or device companies?

CMS Open Payments shows $292 in general payments to Dr. Byun from 4 companies from 2017 to 2024. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Seunghwan Byun been practicing?

Dr. Byun graduated from medical school in 2011, 15 years ago.

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