Joy Blattner, RN, APNP
NPI 1821598822 · Family Nurse Practitioner · Wauwatosa, WI
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Blattner, RN, APNP is a Family Nurse Practitioner provider in Wauwatosa, WI (NPI 1821598822).
Provider details
- NPI number
- 1821598822
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, APNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 136445 (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 tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Sertraline Hcl | 49 |
| Atorvastatin Calcium | 48 |
| Warfarin Sodium | 41 |
| Furosemide | 36 |
| Allopurinol | 29 |
| Pantoprazole Sodium | 24 |
| Donepezil Hcl | 23 |
| Amlodipine Besylate | 23 |
| Levothyroxine Sodium | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 201 N Mayfair RdMilwaukee, WI 53226-4216Phone: (414) 259-7590
Registry dates
- Enumerated
- 2018-02-15
- Last updated
- 2018-03-19
Frequently asked questions
- What is Joy Blattner's NPI number?
- Joy Blattner's National Provider Identifier (NPI) is 1821598822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Blattner's specialty?
- Joy Blattner is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joy Blattner located?
- Joy Blattner's practice location on file with NPPES is 10701 W Research Dr, Wauwatosa, WI 53226-3452.
- What is Joy Blattner's phone number?
- The practice phone number listed in the NPPES registry for Joy Blattner is (414) 940-2246.
- Does Joy Blattner accept Medicare?
- Joy Blattner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Blattner's NPI active?
- Yes — Joy Blattner's NPI (1821598822) is active in the NPPES registry as of the last update on 2018-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.