Doctor profile · Federal record

Dr. Jessica Willemse, NP-C

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

  • NPI 1831594670
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
34845 Yucaipa Blvd
Yucaipa, CA 923994268
(909) 500-7971
Mailing address
Po Box 12209
San Bernardino, CA 924232209

Credentials & registration

NPPES · NUCC
NPI registered
October 2014 — 12 yrs on file
Profile last updated
September 25, 2015
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95001558

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831594670. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
3
Medicare allowed
$6,510
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 43 28 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 27 23 $112
96160 Administration and interpretation of patient-focused health risk assessment 17 17 $2

In context: peer comparison

Among 2 peers in Yucaipa Family Nurse Practitioner, average services per provider: 40. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
897
Patients
219
Total drug cost
$17,453
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 103 38 $2,185
Simvastatin Generic 93 29 $2,065
Gabapentin Generic 86 23 $2,862
Amlodipine Besylate Generic 76 21 $1,339
Metformin Hcl Generic 71 23 $1,405
Lisinopril Generic 60 25 $915
Omeprazole Generic 56 16 $1,245
Levothyroxine Sodium Generic 55 16 $1,244
Ibuprofen Generic 54 14 $881
Hydrochlorothiazide Generic 53 14 $267

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Willemse's medical specialty?
Dr. Jessica Willemse practices Family Nurse Practitioner in Yucaipa, CA.
Where does Dr. Jessica Willemse practice?
Dr. Jessica Willemse practices at 34845 Yucaipa Blvd, Yucaipa, CA 923994268. Office phone: 9095007971.
What is Dr. Jessica Willemse's NPI?
Dr. Jessica Willemse's National Provider Identifier (NPI) is 1831594670, issued by NPPES.
Does Dr. Jessica Willemse accept Medicare assignment?
Yes. Dr. Jessica Willemse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jessica Willemse commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Administration and interpretation of patient-focused health risk assessment (HCPCS 96160). Source: CMS Medicare Physician & Other Practitioners file.