Dr. Monica Unterreiner DO
Also known as
- Formerly known asHenggeler, Monica Anne
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1639730328 is registered to Dr. Monica Unterreiner DO, a Family Medicine practising at 2345 Dougherty Ferry Rd in Saint Louis, Missouri. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Dr. Monica Unterreiner DO has been enumerated in the National Provider Identifier (NPI) registry since 2019.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20220723000153Family PracticeMO
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Monica Unterreiner DO accepts. To confirm in-network status with your specific health plan, contact Dr. Monica Unterreiner DO directly at (314) 966-9586.
Frequently asked
Yes. NPI 1639730328 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (314) 966-9586.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Monica Unterreiner DO is a Type-1 individual NPI.