Sarah Perez, MD
NPI 1861059008 · Critical Care Medicine (Internal Medicine) Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Perez, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Milwaukee, WI (NPI 1861059008).
Provider details
- NPI number
- 1861059008
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 8587620 (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
7 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-23
- Last updated
- 2025-10-15
- Certified
- 2025-10-15
Frequently asked questions
- What is Sarah Perez's NPI number?
- Sarah Perez's National Provider Identifier (NPI) is 1861059008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Perez's specialty?
- Sarah Perez is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Perez located?
- Sarah Perez's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is Sarah Perez's phone number?
- The practice phone number listed in the NPPES registry for Sarah Perez is (414) 649-6000.
- Does Sarah Perez accept Medicare?
- Sarah Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Perez's NPI active?
- Yes — Sarah Perez's NPI (1861059008) is active in the NPPES registry as of the last update on 2025-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.