John Fassler, MD

ActiveIndividual ProviderNephrology
NPI issued: May 24, 2005

Quick Facts

NPI Number
1891798757
TypeIndividual
StatusActive
SpecialtyNephrology
Taxonomy207RN0300X — Nephrology
Phone
(803) 329-2636
StateSC

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1891798757)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (May 24, 2005)
Data source: CMS NPPES

Provider Overview

JOHN FASSLER, MD is a Nephrology provider based in Rock Hill, SC who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1891798757
Provider TypeIndividual Provider
GenderMale
CredentialMD
StatusActive
Enumeration DateMay 24, 2005

Practice Location

CityRock Hill
StateSC
ZIP Code29732-1777
Phone(803) 329-2636

Specialties & Licenses

★ Primary
SpecialtyNephrology
Taxonomy Code207RN0300X
License StateSC

Mailing Address

CityRock Hill
StateSC
ZIP Code29732-1777
Phone(803) 329-2636
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1891798757 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1891798757for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1891798757 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Nephrology

Specialists in Nephrology provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

Browse all Nephrologyproviders →
📊
14,229
Nephrology Providers in the US

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People Also Ask

What is John Fassler's NPI number?
John Fassler's NPI number is 1891798757, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is John Fassler's NPI currently active?
Yes, John Fassler's NPI status is Active as of the latest CMS NPPES database updates.
What does John Fassler specialize in?
John Fassler specializes in Nephrology. The healthcare taxonomy code associated with this specialty is 207RN0300X.
Where does John Fassler practice?
John Fassler practices in Rock Hill, SC 29732-1777.
When was John Fassler's NPI issued?
John Fassler's NPI was issued on May 24, 2005.
What is John Fassler's provider type?
John Fassler is registered as an Individual Provider under CMS NPI Type 1.