NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gerald L Haas, DO

Family Medicine Physician in Albia, IA · enumerated 2005 · practices at Monroe County Hospital.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558357186

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Registry record

Entity type Individual (Type 1)
Name Gerald L Haas
Credential DO
Sex Male
Practice address Albia, IA, 52531
Phone (641) 932-7172
Fax (641) 932-7174
Enumeration date Sep 20, 2005
Last updated in NPPES Sep 1, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 01862 (IA) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
0192021 Medicaid IA -
19202 Other IA WELLMARK,, BCBS

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Gerald Haas?
The National Provider Identifier (NPI) for Gerald Haas is 1558357186, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gerald Haas practice?
The practice location on file with NPPES is in Albia, IA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-01.