Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Chesapeake Anesthesiology and Pain Management Physicians LLC

Anesthesiology Physician in Chestertown, MD · enumerated 2006 · authorized official Patrick Callahan, Owner.

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

National Provider Identifier

1275590036

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Registry record

Entity type Organization (Type 2)

Legal business name Chesapeake Anesthesiology and Pain Management Physicians LLC

Practice address 100 Brown St, Chestertown, MD, 21620

Phone (410) 810-5450

Enumeration date Apr 27, 2006

Last updated in NPPES Aug 1, 2023

Taxonomy & classification

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians Primary

208VP0000X Pain Medicine Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Patrick Callahan

Title Owner

Phone (410) 810-5450

Other identifiers

Identifier	Type	State	Issuer
CB3931	Other	MD	RR MEDICARE
KH19CH	Other	-	BCBS MD
633401602	Medicaid	MD	-
F232	Other	MD	BCBS DC NCA

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.

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Frequently asked questions

What is the NPI number for Chesapeake Anesthesiology and Pain Management Physicians LLC?

The NPI for Chesapeake Anesthesiology and Pain Management Physicians LLC is 1275590036, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Chesapeake Anesthesiology and Pain Management Physicians LLC?

NPPES lists Patrick Callahan (Owner) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-01.