Joanne Bernstein, M.D.
NPI 1427314624 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Bernstein, M.D. is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1427314624).
Provider details
- NPI number
- 1427314624
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 62277 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 36 |
| Metoprolol Tartrate | 27 |
| Sertraline Hcl | 26 |
| Divalproex Sodium | 21 |
| Tamsulosin Hcl | 17 |
| Allopurinol | 17 |
| Pantoprazole Sodium | 17 |
| Lisinopril | 17 |
| Duloxetine Hcl | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-02
- Last updated
- 2015-08-10
Frequently asked questions
- What is Joanne Bernstein's NPI number?
- Joanne Bernstein's National Provider Identifier (NPI) is 1427314624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Bernstein's specialty?
- Joanne Bernstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Bernstein located?
- Joanne Bernstein's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Joanne Bernstein's phone number?
- The practice phone number listed in the NPPES registry for Joanne Bernstein is (414) 805-6850.
- Does Joanne Bernstein accept Medicare?
- Joanne Bernstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Bernstein's NPI active?
- Yes — Joanne Bernstein's NPI (1427314624) is active in the NPPES registry as of the last update on 2015-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.