Mark H Johnston is a Gastroenterology Physician based in Lancaster, PA and is specialized in Gastroenterology. Mark H Johnston practices in Lancaster, PA and has the professional credentials of MD. The NPI Number for Mark H Johnston is 1003898131 and holds a License No. MD425522 (Pennsylvania).
The current practice location address for Mark H Johnston is 2112 Harrisburg Pike, Lancaster, PA and can be reached out via phone at 717-544-3500 and via fax at 717-544-3501.
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 093677KKU | 01 | PA | MEDICARE |
| P01832235 | 01 | PA | RR MEDICARE |
| 1012082120002 | 05 | PA | |
| 1012082120004 | 05 | PA | |
| 1012082120005 | 05 | PA |
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