WILLIAM M NISSEN (MD) – Psychiatry Physician, NPI 1225097843

WILLIAM M NISSEN (MD) is a healthcare provider. based in Davenport, Iowa. specializing in Psychiatry Physician. They hold the professional credentials MD. They hold a License No. 18981 (IA). The NPI Number for WILLIAM M NISSEN (MD) is 1225097843

Main info

Male
54 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM M NISSEN (MD)
NPI
1225097843
Phone
(563) 383-1900
Address
1441 W CENTRAL PARK
Enumeration Date
22 March 2006
Last Update Date
1 November 2011

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
5633831900
Graduation Year
1972 (54 years ago)
PAC ID
1951368885
Group Practice PAC ID
6103715214
Professional Enrollment ID
I20041213000678
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for WILLIAM M NISSEN (MD)

  • 1441, West Central Park Avenue, Davenport, Scott County, Iowa, 52804, United States

    DAVENPORT, IA 52804

    Phone: (563) 383-1900

    Fax: (563) 884-4256

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 52804)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6103715214View full group profile
NameSpecialtyState
Clinical Social WorkerIA
Nurse PractitionerIA
Clinical Social WorkerIA
Nurse PractitionerIA
Nurse PractitionerIA
Clinical Social WorkerIA
Clinical Social WorkerIA
Mental Health CounselorMA
Nurse PractitionerIL
Clinical Social WorkerIA

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Frequently asked questions

Where can patients find WILLIAM M NISSEN (MD)'s NPI?
You can confirm WILLIAM M NISSEN (MD) with NPI 1225097843; it appears in the national provider directory.
Is WILLIAM M NISSEN (MD)'s NPI currently valid?
The extract we use shows WILLIAM M NISSEN (MD) as active.
Can you summarize WILLIAM M NISSEN (MD)'s specialty in plain language?
Clinically, the directory lists WILLIAM M NISSEN (MD) with Psychiatry Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for WILLIAM M NISSEN (MD)?
The page summarizes Davenport, Iowa for WILLIAM M NISSEN (MD); expand the address list for detail.
What if Davenport, Iowa seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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