KARISSA C. HAMMER M.D. – NPI #1801277736
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.
KARISSA HAMMER is a physician located in CHICAGO, IL. NPPES has assigned the NPI number 1801277736 to KARISSA HAMMER on June 16, 2015. It is a Type-1 NPI, indicating this NPI number is associated with an individual. 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 Jul 25, 2025. 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 KARISSA HAMMER below.
NPI Profile for
KARISSA C. HAMMER
(about 11 years ago)
SUITE 100
CHICAGO, IL 60611 Phone: (312) 288-6420 Fax: (312) 288-6421
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) |
MA | 278746 |
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.