Amber Janzen, FNP
NPI 1255612081 · Family Nurse Practitioner · Booneville, MS
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amber Janzen, FNP is a Family Nurse Practitioner provider in Booneville, MS (NPI 1255612081).
Provider details
- NPI number
- 1255612081
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- R871985 (MS)
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
14 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
1,485 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 275 | $11 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 258 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 241 | $66 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 222 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 174 | $95 |
| Hemoglobin A1c Level83036 | 72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 143 | 36 |
| Gabapentin | 113 | 23 |
| Metformin Hcl | 95 | 22 |
| Amlodipine Besylate | 82 | 24 |
| Omeprazole | 77 | 22 |
| Lisinopril | 67 | 20 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$56 across 3 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
- 2011-09-07
- Last updated
- 2011-09-07
Frequently asked questions
- What is Amber Janzen's NPI number?
- Amber Janzen's National Provider Identifier (NPI) is 1255612081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amber Janzen's specialty?
- Amber Janzen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amber Janzen located?
- Amber Janzen's practice location on file with NPPES is 1301 N 2nd St, Booneville, MS 38829-1028.
- What is Amber Janzen's phone number?
- The practice phone number listed in the NPPES registry for Amber Janzen is (662) 728-2071.
- Does Amber Janzen accept Medicare?
- Amber Janzen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amber Janzen's NPI active?
- Yes — Amber Janzen's NPI (1255612081) is active in the NPPES registry as of the last update on 2011-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.