Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Anson J Joseph - Patuxent Nephrology Assoc LLC

Nephrology Physician in Prince Frederick, MD · enumerated 2006 · authorized official Anson Joseph, MD.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326069238

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Registry record

Entity type Organization (Type 2)

Legal business name Anson J Joseph - Patuxent Nephrology Assoc LLC

Other name <Unavail>

Practice address 205 Steeple Chase Dr, Suite #206, Prince Frederick, MD, 20678

Phone (410) 535-2085

Fax (410) 535-0404

Enumeration date Jul 23, 2006

Last updated in NPPES Mar 7, 2023

Taxonomy & classification

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License D56161 (MD) Primary

Authorized official

Name Anson Joseph

Title MD

Phone (410) 535-2085

Other identifiers

Identifier	Type	State	Issuer
0J48JA	Other	MD	BLUECROSS BLUE SHIELD
D56161	Other	MD	MARYLAND STATE LICENSE
110225745	Other	MD	MEDICARE RAIL ROAD
391889	Other	MD	MAMSI
8092036.00	Medicaid	MD	-
F1170001	Other	DC	BLUE CROSS / BLUE SHEILD
M51736	Other	MD	CDS
7743275	Other	MD	AETNA - PPO
2683588	Other	MD	AETNA - HMO

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Anson J Joseph - Patuxent Nephrology Assoc LLC?

Anson J Joseph - Patuxent Nephrology Assoc LLC is registered in NPPES as a Nephrology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.