Doctor profile · Federal record

Dr. Justine Buchholz, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Duarte, CA

  • NPI 1245874437
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
Additional location
1520 N Mountain Ave Ste 128
Ontario, CA 917621132
(909) 949-9299
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
October 2019 — 7 yrs on file
Profile last updated
December 21, 2021
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95012346

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245874437. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
207
Distinct HCPCS
2
Medicare allowed
$17,180
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 175 51 $87
99213 Established patient office or other outpatient visit, 20-29 minutes 32 17 $59

In context: peer comparison

Among 23 peers in this city , average services per provider: 133. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$459
Transactions
18
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 4 $88.22
Genentech USA, Inc. 3 $85.11
Takeda Pharmaceuticals U.S.A., Inc. 2 $57.46
Novartis Pharmaceuticals Corporation 2 $54.55
Merck Sharp & Dohme LLC 2 $44.06
Celgene Corporation 1 $31.06
Genmab U.S., Inc. 1 $27.58
Alexion Pharmaceuticals, Inc. 1 $27.35
PFIZER INC. 1 $23.42
Incyte Corporation 1 $20.44

By nature of payment

Food and Beverage
$459

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
452
Patients
58
Total drug cost
$489,610
Drug Type Claims Patients Total cost
Acyclovir Generic 89 27 $2,074
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 55 16 $323
Pantoprazole Sodium Generic 51 15 $597
Jakafi (Ruxolitinib Phosphate) Brand 39 0 $404,938
Posaconazole Generic 35 0 $69,291
Potassium Chloride Generic 28 0 $1,270
Valacyclovir (Valacyclovir Hcl) Brand 27 0 $1,628
Allopurinol Generic 19 0 $268
Levofloxacin Generic 19 0 $1,081
Furosemide Generic 17 0 $90

Frequently asked questions

Auto-generated from federal data
What is Dr. Justine Buchholz's medical specialty?
Dr. Justine Buchholz practices Family Nurse Practitioner in Duarte, CA.
Where does Dr. Justine Buchholz practice?
Dr. Justine Buchholz practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Justine Buchholz's NPI?
Dr. Justine Buchholz's National Provider Identifier (NPI) is 1245874437, issued by NPPES.
Does Dr. Justine Buchholz accept Medicare assignment?
Yes. Dr. Justine Buchholz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justine Buchholz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.