William Master, MD

ActiveIndividual ProviderInternal Medicine
NPI issued: October 25, 2005

Quick Facts

NPI Number
1679563365
TypeIndividual
StatusActive
SpecialtyInternal Medicine
Taxonomy207R00000X — Internal Medicine
Phone
(207) 921-8000
StateME

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1679563365)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (October 25, 2005)
Data source: CMS NPPES

Provider Overview

WILLIAM MASTER, MD is a Internal Medicine provider based in Rockport, ME who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1679563365
Provider TypeIndividual Provider
GenderMale
CredentialMD
StatusActive
Enumeration DateOctober 25, 2005

Practice Location

CityRockport
StateME
ZIP Code04856-4235
Phone(207) 921-8000

Specialties & Licenses

★ Primary
SpecialtyInternal Medicine
Taxonomy Code207R00000X
License StateME

Mailing Address

CityRockport
StateME
ZIP Code04856-4235
Phone(207) 921-8000
Same as practice location

How to Use This NPI

📋

For Insurance Billing

Use NPI 1679563365 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 1679563365for 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 1679563365 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 Internal Medicine

Internal Medicine physicians (internists) specialize in the prevention, diagnosis, and nonsurgical treatment of adult illnesses, managing complex chronic conditions and multi-system diseases.

Browse all Internal Medicineproviders →
📊
213,549
Internal Medicine Providers in the US

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People Also Ask

What is William Master's NPI number?
William Master's NPI number is 1679563365, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is William Master's NPI currently active?
Yes, William Master's NPI status is Active as of the latest CMS NPPES database updates.
What does William Master specialize in?
William Master specializes in Internal Medicine. The healthcare taxonomy code associated with this specialty is 207R00000X.
Where does William Master practice?
William Master practices in Rockport, ME 04856-4235.
When was William Master's NPI issued?
William Master's NPI was issued on October 25, 2005.
What is William Master's provider type?
William Master is registered as an Individual Provider under CMS NPI Type 1.