ALLISON J. NIELSEN MS – NPI #1578404083
Obstetrics & Gynecology
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
ALLISON NIELSEN is a physician located in SAGINAW, MI. NPPES recently assigned the NPI number 1578404083 to ALLISON NIELSEN on April 01, 2026. It is a Type-1 NPI, indicating this NPI number is associated with an individual. She is also known by her former name ALLISON JOY CHRISTIANS. The primary taxonomy selected by this provider is 207V00000X from the Health Care Provider Taxonomy code set, which is classified as Obstetrics & Gynecology.
The NPI profile was last updated on Apr 30, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ALLISON NIELSEN below.
NPI Profile for
ALLISON J. NIELSEN
(about 2 months ago)
SAGINAW, MI 48602-5303 Phone: (989) 774-7547 Fax:
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A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207V00000X - Obstetrics & Gynecology (Primary) |
MI | 4351056084 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.