# John Holland Sadler, M.D

Source: https://ourhealthnetwork.com/doctor/john-sadler-m-d-1235100850
NPI: 1235100850
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

John Holland Sadler, M.D is a nephrology based in Baltimore, MD with NPI 1235100850.

## Profile

- Primary specialty: Nephrology
- Credential: M.D
- Gender: Male
- NPI: 1235100850 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1235100850))

## Practice and contact

- Address: 840 Hollins St, Baltimore, MD, 212011024
- Phone: (410) 468-0900

## Related on OurHealthNetwork

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