MARK JOHNSTON, MD
Internal Medicine - Gastroenterology
Active
Individual
NPI: 1003898131
Specialties
| Specialty | Code | Primary | License |
|---|---|---|---|
| Internal Medicine - Gastroenterology | 207RG0100X | Yes | MD425522 (PA) |
Frequently Asked Questions
NPI 1003898131 is the National Provider Identifier for MARK JOHNSTON, MD, a Internal Medicine - Gastroenterology provider located in Lancaster, PA. This NPI was enumerated on November 15, 2005.
MARK JOHNSTON, MD practices at 2112 HARRISBURG PIKE, SUITE 202, Lancaster, PA 17601.
Quick Facts
- NPI
- 1003898131
- Type
- Individual
- Enumerated
- Nov 15, 2005
- Last Updated
- Jun 13, 2019
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