Nguyet Nguyen-To, MD
NPI 1659859023 · Family Medicine Physician · Mckinney, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nguyet Nguyen-To, MD is a Family Medicine Physician provider in Mckinney, TX (NPI 1659859023).
Provider details
- NPI number
- 1659859023
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
791 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 296 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 269 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 103 | $123 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 24 | $16 |
| Hemoglobin A1c Level83036 | 19 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 199 | 65 |
| Levothyroxine Sodium | 128 | 42 |
| Amlodipine Besylate | 116 | 37 |
| Lisinopril | 108 | 30 |
| Rosuvastatin Calcium | 93 | 31 |
| Losartan Potassium | 76 | 26 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 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
- 2018-07-30
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Nguyet Nguyen-To's NPI number?
- Nguyet Nguyen-To's National Provider Identifier (NPI) is 1659859023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nguyet Nguyen-To's specialty?
- Nguyet Nguyen-To is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nguyet Nguyen-To located?
- Nguyet Nguyen-To's practice location on file with NPPES is 5220 W University Dr Ste 100, Mckinney, TX 75071-7402.
- What is Nguyet Nguyen-To's phone number?
- The practice phone number listed in the NPPES registry for Nguyet Nguyen-To is (694) 800-5100.
- Does Nguyet Nguyen-To accept Medicare?
- Nguyet Nguyen-To is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nguyet Nguyen-To's NPI active?
- Yes — Nguyet Nguyen-To's NPI (1659859023) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.