Holly Nguyen, PAC
NPI 1144236266 · Medical Physician Assistant · Wilmington, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Nguyen, PAC is a Medical Physician Assistant provider in Wilmington, MA (NPI 1144236266).
Provider details
- NPI number
- 1144236266
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 1035 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
550 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) |
|---|---|---|
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 113 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 109 | $88 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 80 | $27 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 46 | $74 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 44 | $15 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 155 | 46 |
| Simvastatin | 153 | 46 |
| Atorvastatin Calcium | 127 | 37 |
| Omeprazole | 103 | 29 |
| Levothyroxine Sodium | 102 | 32 |
| Amlodipine Besylate | 95 | 27 |
| Lisinopril | 94 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$89 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
- 2006-07-31
- Last updated
- 2023-03-07
- Certified
- 2020-01-24
Frequently asked questions
- What is Holly Nguyen's NPI number?
- Holly Nguyen's National Provider Identifier (NPI) is 1144236266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Nguyen's specialty?
- Holly Nguyen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Nguyen located?
- Holly Nguyen's practice location on file with NPPES is 64 Concord St, Wilmington, MA 01887.
- What is Holly Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Holly Nguyen is (978) 988-9700.
- Does Holly Nguyen accept Medicare?
- Holly Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Nguyen's NPI active?
- Yes — Holly Nguyen's NPI (1144236266) 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.