Nancy Pecen, M.D.
NPI 1558314583 · Psychiatry Physician · Downers Grove, IL
Nancy Pecen, M.D. is a Psychiatry Physician provider in Downers Grove, IL (NPI 1558314583).
Provider details
- NPI number
- 1558314583
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036056703 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 62 |
| Quetiapine Fumarate | 36 |
| Sertraline Hcl | 36 |
| Risperidone | 34 |
| Trazodone Hcl | 31 |
| Clonazepam | 29 |
| Lamotrigine | 29 |
| Gabapentin | 28 |
| Fluoxetine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,263 across 62 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2018-04-23
Frequently asked questions
- What is Nancy Pecen's NPI number?
- Nancy Pecen's National Provider Identifier (NPI) is 1558314583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Pecen's specialty?
- Nancy Pecen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Pecen located?
- Nancy Pecen's practice location on file with NPPES is 1341 Warren Ave, Downers Grove, IL 60515-3437.
- What is Nancy Pecen's phone number?
- The practice phone number listed in the NPPES registry for Nancy Pecen is (630) 719-5454.
- Is Nancy Pecen's NPI active?
- Yes — Nancy Pecen's NPI (1558314583) is active in the NPPES registry as of the last update on 2018-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.