GRETTA COLBY, MD
Internal Medicine
Active
Individual
NPI: 1306587639
Specialties
| Specialty | Code | Primary | License |
|---|---|---|---|
| Internal Medicine | 207R00000X | Yes | 83738-20 (WI) |
Frequently Asked Questions
NPI 1306587639 is the National Provider Identifier for GRETTA COLBY, MD, a Internal Medicine provider located in Milwaukee, WI. This NPI was enumerated on April 1, 2022.
GRETTA COLBY, MD practices at 945 N 12TH ST, Milwaukee, WI 53233.
Quick Facts
- NPI
- 1306587639
- Type
- Individual
- Enumerated
- Apr 1, 2022
- Last Updated
- Sep 18, 2025
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