Doctor profile · Federal record

Dr. Jennifer Onyekonwu-McGill, NP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Family Nurse Practitioner · Claremont, CA

  • NPI 1063686616
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
540 W Baseline RD Ste 3
Claremont, CA 917111612
(909) 625-7175
fax (909) 625-7268
Additional location
12555 Central Ave Ste C
Chino, CA 917103569
(909) 902-1082
fax (909) 628-3398
Additional location
8710 Monroe CT Ste 150
Rancho Cucamonga, CA 917304885
(909) 941-4870
Mailing address
2935 Parkside Ave
Ontario, CA 917616956

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
September 22, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
California #20417 · California #550923

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063686616. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
300
Distinct HCPCS
3
Medicare allowed
$31,070
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 182 50 $112
99213 Established patient office or other outpatient visit, 20-29 minutes 105 45 $80
90792 Psychiatric diagnostic evaluation with medical services 13 13 $171

In context: peer comparison

Among 2 peers in Claremont Psychiatric/Mental Health Nurse Practitioner, average services per provider: 100. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,945
Transactions
227
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, INC. 54 $1,376.29
Otsuka America Pharmaceutical, INC. 30 $490.18
Lundbeck LLC 24 $479.73
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 17 $408.70
Janssen Pharmaceuticals, INC 19 $368.91
Alkermes, INC. 15 $364.63
Abbvie INC. 13 $310.26
Indivior INC. 10 $226.13
Vanda Pharmaceuticals INC. 7 $213.11
Takeda Pharmaceuticals U.S.A., INC. 18 $193.33
Corium, LLC 6 $117.35
Supernus Pharmaceuticals, INC. 4 $100.77
Neurocrine Biosciences, INC. 4 $89.38
E.R. Squibb & Sons, L.L.C. 4 $66.67
Tempus Ai, INC 2 $46.62

By nature of payment

Food and Beverage
$4,940
Education
$5

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,904
Patients
629
Total drug cost
$65,071
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 609 96 $6,934
Quetiapine Fumarate Generic 585 87 $11,834
Buspirone Hcl Generic 392 67 $5,490
Sertraline Hcl Generic 311 43 $3,310
Duloxetine Hcl Generic 284 34 $5,285
Lamotrigine Generic 255 48 $2,152
Bupropion Xl (Bupropion Hcl) Brand 227 40 $5,109
Aripiprazole Generic 192 27 $12,449
Lorazepam Generic 192 47 $776
Risperidone Generic 178 27 $2,891

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Onyekonwu-McGill's medical specialty?
Dr. Jennifer Onyekonwu-McGill practices Psychiatric/Mental Health Nurse Practitioner in Claremont, CA.
Where does Dr. Jennifer Onyekonwu-McGill practice?
Dr. Jennifer Onyekonwu-McGill practices at 540 W Baseline RD Ste 3, Claremont, CA 917111612. Office phone: 9096257175.
What is Dr. Jennifer Onyekonwu-McGill's NPI?
Dr. Jennifer Onyekonwu-McGill's National Provider Identifier (NPI) is 1063686616, issued by NPPES.
Does Dr. Jennifer Onyekonwu-McGill accept Medicare assignment?
Yes. Dr. Jennifer Onyekonwu-McGill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Onyekonwu-McGill 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); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.