Diane Nguyen
NPI 1619643004 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Nguyen is a Family Nurse Practitioner provider in Houston, TX (NPI 1619643004).
Provider details
- NPI number
- 1619643004
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 826106 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,465 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 607 | $12 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 241 | $109 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 194 | $17 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 170 | $53 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 72 | $144 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 70 | $23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$363 across 12 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
- 2021-08-17
- Last updated
- 2022-10-30
- Certified
- 2022-10-30
Frequently asked questions
- What is Diane Nguyen's NPI number?
- Diane Nguyen's National Provider Identifier (NPI) is 1619643004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Nguyen's specialty?
- Diane Nguyen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Nguyen located?
- Diane Nguyen's practice location on file with NPPES is 1504 Ben Taub Loop, Houston, TX 77030.
- What is Diane Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Diane Nguyen is (713) 873-2000.
- Does Diane Nguyen accept Medicare?
- Diane Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Nguyen's NPI active?
- Yes — Diane Nguyen's NPI (1619643004) is active in the NPPES registry as of the last update on 2022-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.