Allison Nguyen
NPI 1831650472 · Internal Medicine Physician · Glen Cove, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Nguyen is a Internal Medicine Physician provider in Glen Cove, NY (NPI 1831650472).
Provider details
- NPI number
- 1831650472
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 316822 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,264 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 457 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 253 | $87 |
| Advance Care Planning, First 30 Minutes99497 | 230 | $84 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 179 | $192 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 113 | $126 |
| Advance Care Planning, Each Additional 30 Minutes99498 | 32 | $79 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-27
- Last updated
- 2024-03-18
- Certified
- 2024-03-18
Frequently asked questions
- What is Allison Nguyen's NPI number?
- Allison Nguyen's National Provider Identifier (NPI) is 1831650472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Nguyen's specialty?
- Allison Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Nguyen located?
- Allison Nguyen's practice location on file with NPPES is 101 Saint Andrews Ln, Glen Cove, NY 11542-2263.
- What is Allison Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Allison Nguyen is (516) 674-7300.
- Does Allison Nguyen accept Medicare?
- Allison Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Nguyen's NPI active?
- Yes — Allison Nguyen's NPI (1831650472) is active in the NPPES registry as of the last update on 2024-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.