Mandy Guilliams, FNP-C
NPI 1578291258 · Family Nurse Practitioner · Alexandria, LA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mandy Guilliams, FNP-C is a Family Nurse Practitioner provider in Alexandria, LA (NPI 1578291258).
Provider details
- NPI number
- 1578291258
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN155232 (LA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
314 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) |
|---|---|---|
| Replacement of Knee Joint, Both Sides of Knee27447 | 65 | $163 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $69 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 38 | $163 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $95 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 30 | $55 |
| X-Ray of Knee, 4 Or More Views |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 209 | 130 |
| Tramadol Hcl | 70 | 39 |
| Meloxicam | 61 | 28 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 33 | 21 |
| Methylprednisolone | 30 | 29 |
| Apixabanbrand: Eliquis | 24 | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-08-10
- Last updated
- 2025-08-12
- Certified
- 2022-08-10
Frequently asked questions
- What is Mandy Guilliams's NPI number?
- Mandy Guilliams's National Provider Identifier (NPI) is 1578291258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mandy Guilliams's specialty?
- Mandy Guilliams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mandy Guilliams located?
- Mandy Guilliams's practice location on file with NPPES is 3444 Masonic Dr, Alexandria, LA 71301-3615.
- What is Mandy Guilliams's phone number?
- The practice phone number listed in the NPPES registry for Mandy Guilliams is (318) 473-9556.
- Does Mandy Guilliams accept Medicare?
- Mandy Guilliams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mandy Guilliams's NPI active?
- Yes — Mandy Guilliams's NPI (1578291258) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.