Dat Nguyen, MD
NPI 1720092315 · Internal Medicine Physician · Hawthorne, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dat Nguyen, MD is a Internal Medicine Physician provider in Hawthorne, CA (NPI 1720092315).
Provider details
- NPI number
- 1720092315
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G77541 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
4,066 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 2,850 | $81 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 472 | $84 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 466 | $134 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 74 | $189 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 63 | $139 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 448 | 126 |
| Amlodipine Besylate | 362 | 111 |
| Atorvastatin Calcium | 345 | 102 |
| Pantoprazole Sodium | 324 | 144 |
| Metoprolol Tartrate | 319 | 93 |
| Memantine Hcl | 228 | 52 |
| Mirtazapine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 2 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
- 2006-07-28
- Last updated
- 2011-12-21
Frequently asked questions
- What is Dat Nguyen's NPI number?
- Dat Nguyen's National Provider Identifier (NPI) is 1720092315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dat Nguyen's specialty?
- Dat Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dat Nguyen located?
- Dat Nguyen's practice location on file with NPPES is 12954 Hawthorne Blvd, Hawthorne, CA 90250-4418.
- What is Dat Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Dat Nguyen is (310) 679-0269.
- Does Dat Nguyen accept Medicare?
- Dat Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dat Nguyen's NPI active?
- Yes — Dat Nguyen's NPI (1720092315) is active in the NPPES registry as of the last update on 2011-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.