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.

IndividualActiveAccepts Medicare

Melissa Koss, APNP

NPI 1477796233 · Nurse Practitioner · Franklin, WI

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)

Practice location

9200 W Loomis Rd

Franklin, WI 53132-8887

Phone: (414) 529-9200

Fax: (414) 529-9207

Street-level locationGet directions

More WI providers

Mailing address

Po Box 735044

Chicago, IL 60673-5044

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense 5912 (WI)
Physician Assistants & Advanced Practice Nursing Providers
Adult Health Nurse Practitioner363LA2200XLicense 5912-33 (WI)
Physician Assistants & Advanced Practice Nursing Providers
Gerontology Nurse Practitioner363LG0600XLicense 5912-33 (WI)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(71/100 index)

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

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.

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