Phuong Nguyen, D.O.
NPI 1346621083 · Internal Medicine Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phuong Nguyen, D.O. is a Internal Medicine Physician provider in Scottsdale, AZ (NPI 1346621083).
Provider details
- NPI number
- 1346621083
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 007502 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
575 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 50 Minutes99233 | 353 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 127 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $165 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $75 |
Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levofloxacin | 27 | 27 |
| Ondansetronbrand: Ondansetron Odt | 22 | 22 |
| Amlodipine Besylate | 21 | 20 |
| Atorvastatin Calcium | 19 | 18 |
| Pantoprazole Sodium | 19 | 18 |
| Furosemide | 15 | — |
| Oxycodone Hcl | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$305 across 4 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
- 2015-06-17
- Last updated
- 2023-03-07
- Certified
- 2021-02-08
Frequently asked questions
- What is Phuong Nguyen's NPI number?
- Phuong Nguyen's National Provider Identifier (NPI) is 1346621083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phuong Nguyen's specialty?
- Phuong Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phuong Nguyen located?
- Phuong Nguyen's practice location on file with NPPES is 7400 E Osborn Rd, Scottsdale, AZ 85251-6432.
- What is Phuong Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Phuong Nguyen is (602) 445-0751.
- Does Phuong Nguyen accept Medicare?
- Phuong Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phuong Nguyen's NPI active?
- Yes — Phuong Nguyen's NPI (1346621083) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.