What is William Nissen's NPI number?

William Nissen's National Provider Identifier (NPI) is 1225097843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Nissen's specialty?

William Nissen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is William Nissen located?

William Nissen's practice location on file with NPPES is 1441 W Central Park, Davenport, IA 52804.

What is William Nissen's phone number?

The practice phone number listed in the NPPES registry for William Nissen is (563) 383-1900.

Is William Nissen's NPI active?

Yes — William Nissen's NPI (1225097843) is active in the NPPES registry as of the last update on 2011-11-01.

IndividualActive

William Nissen, MD

NPI 1225097843 · Psychiatry Physician · Davenport, IA

William Nissen, MD is a Psychiatry Physician provider in Davenport, IA (NPI 1225097843).

Provider details

NPI number: 1225097843
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 18981 (IA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense 18981 (IA)
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

1441 W Central Park

Davenport, IA 52804

Phone: (563) 383-1900

Fax: (563) 884-4256

Street-level locationGet directions

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Mailing address