Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Teresa J. Greiner, M.D.
Psychiatry Physician in Angola, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003834128
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Teresa J. Greiner
Credential M.D.
Sex Female
Practice address 3265 Intertech Dr, Angola, IN, 46703
Phone (260) 665-9494
Fax (260) 665-9496
Enumeration date Jul 17, 2006
Last updated in NPPES Dec 16, 2013
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0039746 | Medicaid | MT | - |
| 20492 | Other | ND | BLUE SHIELD OF ND |
| 18891 | Medicaid | ND | - |
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.
Frequently asked questions
What specialty is Teresa Greiner?
Teresa Greiner is registered in NPPES with the primary taxonomy of Psychiatry Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Shelley Lafferty Clinical Social Worker · Angola, IN NPI 1871963504 Tricia Bowerman Marriage & Family Therapist · Angola, IN NPI 1447608567 Elizabeth Andres Clinical Social Worker · Angola, IN NPI 1962956888 Valerie Case Case Manager/Care Coordinator · Angola, IN NPI 1144797259 Kimberly Owen Case Manager/Care Coordinator · Angola, IN NPI 1780151712 Adrienne Long Case Manager/Care Coordinator · Angola, IN NPI 1669940839 Simone Frappier Case Manager/Care Coordinator · Angola, IN NPI 1245700889 Martha Faunce Case Manager/Care Coordinator · Angola, IN NPI 1538639703
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-16.