Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Carolyn Christine Foster, MD
Pediatrics Physician in Chicago, IL · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811296791
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Registry record
Entity type Individual (Type 1)
Name Dr. Carolyn Christine Foster
Credential MD
Sex Female
Practice address 225 E. Chicago Avenue, 3se, Chicago, IL, 60611
Phone (312) 227-4000
Enumeration date Mar 18, 2011
Last updated in NPPES Jun 15, 2018
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036.144015 (IL) Primary
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 |
|---|---|---|---|
| 1811296791 | Medicaid | WA | - |
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
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.
What specialty is Carolyn Foster?
Carolyn Foster is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-15.