Margaret Nguyen, MSN
NPI 1447700182 · Psychiatric/Mental Health Nurse Practitioner · Northborough, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Nguyen, MSN is a Psychiatric/Mental Health Nurse Practitioner provider in Northborough, MA (NPI 1447700182).
Provider details
- NPI number
- 1447700182
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN
- Sex
- Female
- Sole proprietor
- No
- License
- RN2297050 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
88 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $108 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 26 | $112 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $150 |
Typical Medicare-allowed amounts for these services range $108–$150 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 88 | 43 |
| Omeprazole | 69 | 26 |
| Metoprolol Succinate | 67 | 30 |
| Levothyroxine Sodium | 51 | 21 |
| Famotidine | 40 | 17 |
| Losartan Potassium | 33 | 19 |
| Lisinopril | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-10-06
- Last updated
- 2025-07-18
- Certified
- 2025-07-18
Frequently asked questions
- What is Margaret Nguyen's NPI number?
- Margaret Nguyen's National Provider Identifier (NPI) is 1447700182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Nguyen's specialty?
- Margaret Nguyen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Nguyen located?
- Margaret Nguyen's practice location on file with NPPES is 300 W Main St Bldg B, Northborough, MA 01532-2132.
- What is Margaret Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Margaret Nguyen is (774) 250-3439.
- Does Margaret Nguyen accept Medicare?
- Margaret Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Nguyen's NPI active?
- Yes — Margaret Nguyen's NPI (1447700182) is active in the NPPES registry as of the last update on 2025-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.