What is Robert Sievert's NPI number?

Robert Sievert's National Provider Identifier (NPI) is 1003895467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Sievert's specialty?

Robert Sievert is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Robert Sievert located?

Robert Sievert's practice location on file with NPPES is 611 Sherman Ave E, Fort Atkinson, WI 53538-1960.

What is Robert Sievert's phone number?

The practice phone number listed in the NPPES registry for Robert Sievert is (920) 568-5330.

Is Robert Sievert's NPI active?

Yes — Robert Sievert's NPI (1003895467) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Robert Sievert, D.O.

NPI 1003895467 · Emergency Medicine Physician · Fort Atkinson, WI

Robert Sievert, D.O. is a Emergency Medicine Physician provider in Fort Atkinson, WI (NPI 1003895467).

Provider details

NPI number: 1003895467
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male
License: 24621-021 (WI)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense 24621-021 (WI)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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

611 Sherman Ave E

Fort Atkinson, WI 53538-1960

Phone: (920) 568-5330

Fax: (920) 568-5075

Street-level locationGet directions

More WI providers

Mailing address

6400 Industrial Loop

Greendale, WI 53129-2452

Enumerated: 2006-01-13
Last updated: 2007-07-08

Frequently asked questions

What is Robert Sievert's NPI number?: Robert Sievert's National Provider Identifier (NPI) is 1003895467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Robert Sievert's specialty?: Robert Sievert is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Robert Sievert located?: Robert Sievert's practice location on file with NPPES is 611 Sherman Ave E, Fort Atkinson, WI 53538-1960.
What is Robert Sievert's phone number?: The practice phone number listed in the NPPES registry for Robert Sievert is (920) 568-5330.
Is Robert Sievert's NPI active?: Yes — Robert Sievert's NPI (1003895467) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.