Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Charles William Simmons, M.D.

Interventional Pain Medicine Physician in Annapolis, MD · enumerated 2007.

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

National Provider Identifier

1255451183

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Registry record

Entity type Individual (Type 1)

Name Dr. Charles William Simmons

Credential M.D.

Sex Male

Practice address 810 Bestgate Rd Ste 220, Annapolis, MD, 21401

Phone (855) 527-7246

Fax (866) 229-5063

Enumeration date Apr 2, 2007

Last updated in NPPES Jul 27, 2022

Taxonomy & licenses

2081P2900X Pain Medicine (Physical Medicine & Rehabilitation) Physician Allopathic & Osteopathic Physicians · License DOO65044 (MD) Secondary

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License D0065044 (MD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
102609154-0001	Medicaid	PA	-

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

Where does Charles Simmons practice?

The practice location on file with NPPES is in Annapolis, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Charles Simmons?

The National Provider Identifier (NPI) for Charles Simmons is 1255451183, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-27.