Gwen Herzog, RN
NPI 1467832667 · Family Nurse Practitioner · Watertown, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwen Herzog, RN is a Family Nurse Practitioner provider in Watertown, WI (NPI 1467832667).
Provider details
- NPI number
- 1467832667
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 191155 (WI)
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
11 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
1,045 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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 228 | $61 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 153 | $50 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 151 | $101 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 122 | $36 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 112 | $38 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 181 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 779 | 145 |
| Levothyroxine Sodium | 610 | 114 |
| Sertraline Hcl | 601 | 108 |
| Furosemide | 582 | 126 |
| Omeprazole | 573 | 97 |
| Amlodipine Besylate | 535 | 105 |
| Potassium Chloride | 459 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-02
- Last updated
- 2017-04-13
Frequently asked questions
- What is Gwen Herzog's NPI number?
- Gwen Herzog's National Provider Identifier (NPI) is 1467832667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwen Herzog's specialty?
- Gwen Herzog is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gwen Herzog located?
- Gwen Herzog's practice location on file with NPPES is 903 Harvey Ave, Watertown, WI 53094-5007.
- What is Gwen Herzog's phone number?
- The practice phone number listed in the NPPES registry for Gwen Herzog is (920) 248-1723.
- Does Gwen Herzog accept Medicare?
- Gwen Herzog is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwen Herzog's NPI active?
- Yes — Gwen Herzog's NPI (1467832667) is active in the NPPES registry as of the last update on 2017-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.