Doctor profile · Federal record

Dr. Seunghwan Byun, MD

Hospitalist Physician (CMS: Internal Medicine) · Hospitalist Physician · Rio Rancho, NM

  • NPI 1013399294
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2400 Unser Blvd Se
Rio Rancho, NM 87124
(505) 253-7878
Additional location
111 E 210Th St
Bronx, NY 104672401
(718) 920-4321
Additional location
6511 Spring Brook Ave
Rhinebeck, NY 125723709
(845) 876-3001

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
November 18, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
New York #319091 · New Mexico #MD2018-0297

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013399294. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
563
Distinct HCPCS
5
Medicare allowed
$69,899
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 181 84 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 133 71 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 112 111 $179
99239 Hospital discharge day management, more than 30 minutes 86 84 $118
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 51 51 $140

In context: peer comparison

Among 4 peers in Rio Rancho Hospitalist Physician, average services per provider: 64. This provider delivers 8.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $26.76

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
234
Patients
64
Total drug cost
$40,009
Drug Type Claims Patients Total cost
Xarelto (Rivaroxaban) Brand 25 0 $19,786
Furosemide Generic 22 0 $142
Atorvastatin Calcium Generic 18 0 $143
Eliquis (Apixaban) Brand 18 0 $10,285
Metoprolol Succinate Generic 18 12 $502
Pantoprazole Sodium Generic 16 11 $288
Amlodipine Besylate Generic 15 0 $150
Prednisone Generic 15 15 $47
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 14 0 $564
Losartan Potassium Generic 14 0 $223

Frequently asked questions

Auto-generated from federal data
What is Dr. Seunghwan Byun's medical specialty?
Dr. Seunghwan Byun practices Hospitalist Physician in Rio Rancho, NM.
Where does Dr. Seunghwan Byun practice?
Dr. Seunghwan Byun practices at 2400 Unser Blvd Se, Rio Rancho, NM 87124. Office phone: 5052537878.
What is Dr. Seunghwan Byun's NPI?
Dr. Seunghwan Byun's National Provider Identifier (NPI) is 1013399294, issued by NPPES.
Does Dr. Seunghwan Byun accept Medicare assignment?
Yes. Dr. Seunghwan Byun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Seunghwan Byun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.