Doctor profile · Federal record
Dr. Doris van Byssum, PSY.D.
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Clinical Psychologist · Wheaton, IL
- NPI 1063515369
- Accepts Medicare
- 44 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1725 S Naperville RD, Suite 206
Wheaton, IL 601895805
(630) 653-6441
fax (630) 653-8409 - Mailing address
-
174 S Montclair Ave
Glen Ellyn, IL 601376357
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- March 14, 2017
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State licenses (2)
- Illinois #209.010527041.189584 · Illinois #071-004744
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063515369. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
396
Distinct HCPCS
3
Medicare allowed
$34,933
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 198 | 50 | $113 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 167 | 50 | $60 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 18 | $80 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 93. This provider delivers 4.3× the peer median.Open Payments
Industry payments received
All-time total
$5,614
Transactions
38
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, Inc. | 12 | $4,615.69 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 6 | $201.40 | |
| Janssen Pharmaceuticals, Inc | 3 | $173.44 | |
| Axsome Therapeutics, Inc. | 2 | $135.76 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $124.56 | |
| Amgen Inc. | 1 | $120.98 | |
| Lundbeck LLC | 3 | $71.79 | |
| Neurocrine Biosciences, Inc. | 1 | $35.55 | |
| Corium, LLC | 3 | $32.26 | |
| Tris Pharma Inc | 2 | $31.30 | |
| Almatica Pharma LLC | 1 | $27.47 | |
| Bausch Health US, LLC | 1 | $15.71 | |
| Vanda Pharmaceuticals Inc. | 1 | $14.70 | |
| Noven Therapeutics, LLC | 1 | $13.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
656
Patients
80
Total drug cost
$21,415
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 80 | 15 | $740 |
| Alprazolam | Generic | 71 | 15 | $530 |
| Lorazepam | Generic | 69 | 11 | $755 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 58 | 0 | $2,163 |
| Bupropion Xl (Bupropion Hcl) | Brand | 51 | 15 | $2,936 |
| Quetiapine Fumarate | Generic | 42 | 12 | $2,371 |
| Sertraline Hcl | Generic | 38 | 0 | $489 |
| Desvenlafaxine Succinate Er (Desvenlafaxine Succinate) | Brand | 37 | 0 | $3,909 |
| Trazodone Hcl | Generic | 35 | 12 | $573 |
| Escitalopram Oxalate | Generic | 32 | 0 | $352 |
Frequently asked questions
What is Dr. Doris van Byssum's medical specialty?
Dr. Doris van Byssum practices Psychiatric/Mental Health Nurse Practitioner in Wheaton, IL.
Where does Dr. Doris van Byssum practice?
Dr. Doris van Byssum practices at 1725 S Naperville RD, Wheaton, IL 601895805. Office phone: 6306536441.
What is Dr. Doris van Byssum's NPI?
Dr. Doris van Byssum's National Provider Identifier (NPI) is 1063515369, issued by NPPES.
Does Dr. Doris van Byssum accept Medicare assignment?
Yes. Dr. Doris van Byssum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Doris van Byssum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.