John Grayhack is a Orthopedic Surgery Physician based in Chicago, IL. John Grayhack practices in Chicago, IL and has the professional credentials of MD. The NPI Number for John Grayhack is 1043205966 and holds a License No. 036072869 (Illinois).
The current practice location address for John Grayhack is 225 E Chicago Ave # 69, Chicago, IL and can be reached out via phone at 312-227-6190 and via fax at 312-227-9404. You can also correspond with John Grayhack through the mailing address at 225 E CHICAGO AVE # 69, CHICAGO, IL - 60611-2991 (mailing address contact number: 312-227-6190).
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036072869 | 05 | IL | |
| 1627123 | 01 | IL | BCBS PROVIDER ID |
| 82419800 | 05 | WI |
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