Darrell Deguzman, PMHNP, FNP
NPI 1245709112 · Psychiatric/Mental Health Nurse Practitioner · Chula Vista, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darrell Deguzman, PMHNP, FNP is a Psychiatric/Mental Health Nurse Practitioner provider in Chula Vista, CA (NPI 1245709112).
Provider details
- NPI number
- 1245709112
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP, FNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95008025 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 21 |
| Bupropion Hclbrand: Bupropion Xl | 17 |
| Cariprazine Hclbrand: Vraylar | 13 |
| Escitalopram Oxalate | 12 |
| Lamotrigine | 12 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 11 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 11 |
| Mirtazapine | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
- 2018-11-20
- Last updated
- 2021-05-13
- Certified
- 2021-05-13
Frequently asked questions
- What is Darrell Deguzman's NPI number?
- Darrell Deguzman's National Provider Identifier (NPI) is 1245709112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darrell Deguzman's specialty?
- Darrell Deguzman is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Darrell Deguzman located?
- Darrell Deguzman's practice location on file with NPPES is 1061 Tierra Del Rey Ste 200, Chula Vista, CA 91910.
- What is Darrell Deguzman's phone number?
- The practice phone number listed in the NPPES registry for Darrell Deguzman is (619) 498-5454.
- Does Darrell Deguzman accept Medicare?
- Darrell Deguzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darrell Deguzman's NPI active?
- Yes — Darrell Deguzman's NPI (1245709112) is active in the NPPES registry as of the last update on 2021-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.