Juan Guillen, MD
NPI 1639231418 · Psychiatry Physician · Arccibo, PR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juan Guillen, MD is a Psychiatry Physician provider in Arccibo, PR (NPI 1639231418).
Provider details
- NPI number
- 1639231418
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4586 (PR)
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
19 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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 2,068 | 246 |
| Temazepam | 1,296 | 162 |
| Fluoxetine Hcl | 965 | 121 |
| Buspirone Hcl | 932 | 120 |
| Duloxetine Hcl | 926 | 118 |
| Quetiapine Fumarate | 776 | 85 |
| Trazodone Hcl | 726 | 85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 1 record (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
- 2006-12-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Juan Guillen's NPI number?
- Juan Guillen's National Provider Identifier (NPI) is 1639231418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juan Guillen's specialty?
- Juan Guillen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Juan Guillen located?
- Juan Guillen's practice location on file with NPPES is Ave Barbosa #65 Esq Jose De Diego, Arccibo, PR 00612.
- What is Juan Guillen's phone number?
- The practice phone number listed in the NPPES registry for Juan Guillen is (787) 880-2662.
- Does Juan Guillen accept Medicare?
- Juan Guillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juan Guillen's NPI active?
- Yes — Juan Guillen's NPI (1639231418) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.