Melissa Koss, APNP
NPI 1477796233 · Nurse Practitioner · Franklin, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Koss, APNP is a Nurse Practitioner provider in Franklin, WI (NPI 1477796233).
Provider details
- NPI number
- 1477796233
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 5912 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
17 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
333 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 | 182 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $101 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $144 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 19 | $11 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 17 | $45 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 147 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 400 | 117 |
| Atorvastatin Calcium | 336 | 117 |
| Amlodipine Besylate | 270 | 87 |
| Gabapentin | 245 | 82 |
| Lisinopril | 233 | 78 |
| Metoprolol Succinate | 202 | 62 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-09
- Last updated
- 2024-10-23
- Certified
- 2024-10-23
Frequently asked questions
- What is Melissa Koss's NPI number?
- Melissa Koss's National Provider Identifier (NPI) is 1477796233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Koss's specialty?
- Melissa Koss is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Koss located?
- Melissa Koss's practice location on file with NPPES is 9200 W Loomis Rd, Franklin, WI 53132-8887.
- What is Melissa Koss's phone number?
- The practice phone number listed in the NPPES registry for Melissa Koss is (414) 529-9200.
- Does Melissa Koss accept Medicare?
- Melissa Koss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Koss's NPI active?
- Yes — Melissa Koss's NPI (1477796233) is active in the NPPES registry as of the last update on 2024-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.