Provider profile

Mark DemidovichMD

Psychiatry & Neurology, Child & Adolescent Psychiatry

2 locationsNPI 1699859017
233 George Junior Rd, Grove City, PA 16127724-421-3355

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The 117 Medicare Advantage plans we show for Mercer and Allegheny counties, PA in 2027

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Aetna Medicare

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Devoted

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Geisinger Gold

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HealthSpring

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Highmark Wholecare Medicare Assured

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Humana

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Jefferson Health Plans

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Perennial Advantage

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UnitedHealthcare

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UPMC for Life

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UPMC for Life Complete Care

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VISTA Health Plan Inc.

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Wellcare

Not listed on its 3 plans here. That isn't proof they're out of network.

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Original Medicare status

Most Medicare Supplement (Medigap) policies have no provider network: they help pay Original Medicare's cost sharing where Medicare is accepted. Medicare SELECT policies can require network providers for full benefits. Ask the office whether they accept Medicare.

Medicare enrollment and assignment have not been verified here. Advantage directory results do not answer this question.

No opt-out record in this CMS file. CMS's file covers data through 2026-08-31. This does not establish Medicare enrollment, assignment, or whether the office accepts new Medicare patients.

CMS opt-out source · Data through 2026-08-31 · Reviewed Oct 25, 2026

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2 practice locations

233 George Junior Rd
Grove City, PA 16127

NPI Registry

4655 William Flynn Hwy, Suite 125b Coventry Square Office Center
Allison Park, PA 15101

NPI Registry
NPI issued
2006
Registry record updated
Sep 13, 2018

Medicare's clinician details aren't available on this page yet.

Common questions

Where does Mark Demidovich practice?

2 locations, including 233 George Junior Rd, Grove City, PA. All of them are listed on this page.

How do I confirm Mark is in my plan's network?

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Patients can use Silverpath to find practices and check plan networks in Mercer and Allegheny counties, PA. Tell us which plans you take, or want to take, and we'll keep this page accurate and talk with you about reaching more Medicare patients and carriers.

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2018-09-13). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 14, 2026. CMS matches apply to the covered offices shown with each plan. Plans: CMS 2027 Medicare Advantage landscape.

Networks change during the year, and a directory can be out of date. Confirm with the provider's office and the plan before you enroll or schedule care.

Silverpath is a licensed insurance agency. This page isn't affiliated with or endorsed by Mark Demidovich or their practice. Not connected with or endorsed by the U.S. government or the federal Medicare program.

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