Doctor profile · Federal record

Dr. Michael John Bunag, NP

Nurse Practitioner · Internal Medicine Physician · West Covina, CA

  • NPI 1104414101
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 N Barranca St Ste 900
West Covina, CA 917911637
(626) 206-0523
fax (626) 206-0553
Mailing address
17101 San Jose St
Granada Hills, CA 913446240

Credentials & registration

NPPES · NUCC
NPI registered
January 2021 — 5 yrs on file
Profile last updated
September 27, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
California #95016175

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104414101. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,189
Distinct HCPCS
8
Medicare allowed
$253,595
HCPCS Description Services Patients Avg allowed
99497 Advance care planning, first 30 minutes 901 791 $72
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 500 437 $115
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 322 322 $129
99483 Assessment of and care planning for patient with impaired thought processing, typically 60 minutes 242 242 $251
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 99 99 $119
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 91 91 $151
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 20 20 $59
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 14 14 $152

In context: peer comparison

Among 2 peers in West Covina Nurse Practitioner, average services per provider: 206. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$638
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Amgen INC. 2 $246.79
Fresenius Kabi USA, LLC 1 $125.00
Novo Nordisk INC 1 $121.82
Lilly USA, LLC 1 $121.50
Boston Scientific Corporation 1 $22.98

By nature of payment

Food and Beverage
$638

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
121
Patients
54
Total drug cost
$924
Drug Type Claims Patients Total cost
Gabapentin Generic 28 0 $273
Ondansetron Odt (Ondansetron) Brand 21 17 $99
Amlodipine Besylate Generic 17 14 $155
Atorvastatin Calcium Generic 16 11 $157
Furosemide Generic 15 12 $90
Carvedilol Generic 12 0 $17
Hydralazine Hcl Generic 12 0 $134

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael John Bunag's medical specialty?
Dr. Michael John Bunag practices Nurse Practitioner in West Covina, CA.
Where does Dr. Michael John Bunag practice?
Dr. Michael John Bunag practices at 100 N Barranca St Ste 900, West Covina, CA 917911637. Office phone: 6262060523.
What is Dr. Michael John Bunag's NPI?
Dr. Michael John Bunag's National Provider Identifier (NPI) is 1104414101, issued by NPPES.
Does Dr. Michael John Bunag accept Medicare assignment?
Yes. Dr. Michael John Bunag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael John Bunag commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Residence visit for new patient with moderate level of medical decision making (HCPCS 99344). Source: CMS Medicare Physician & Other Practitioners file.