Margaret Hoang, MSN, FNP-BC
NPI 1891430559 · Family Nurse Practitioner · Fremont, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Hoang, MSN, FNP-BC is a Family Nurse Practitioner provider in Fremont, CA (NPI 1891430559).
Provider details
- NPI number
- 1891430559
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 95020684 (CA)
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 tenure28% of score
4 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
1,209 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 252 | $93 |
| Automated Urinalysis Test81003 | 215 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 202 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $130 |
| Administration of Influenza Virus VaccineG0008 | 113 | $39 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 511 | 217 |
| Finasteride | 270 | 110 |
| Mirabegronbrand: Myrbetriq | 127 | 56 |
| Doxazosin Mesylate | 73 | 37 |
| Cefdinir | 43 | 38 |
| Trospium Chloride | 40 | 26 |
| Terazosin Hcl | 37 | 14 |
| Vibegronbrand: Gemtesa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-28
- Last updated
- 2022-12-20
- Certified
- 2022-12-20
Frequently asked questions
- What is Margaret Hoang's NPI number?
- Margaret Hoang's National Provider Identifier (NPI) is 1891430559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hoang's specialty?
- Margaret Hoang is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Hoang located?
- Margaret Hoang's practice location on file with NPPES is 39141 Civic Center Dr Ste 335, Fremont, CA 94538-5878.
- What is Margaret Hoang's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hoang is (510) 248-1414.
- Does Margaret Hoang accept Medicare?
- Margaret Hoang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Hoang's NPI active?
- Yes — Margaret Hoang's NPI (1891430559) is active in the NPPES registry as of the last update on 2022-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.