Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dallen Mill, MD

Anesthesiology Physician in Englewood, CO · enumerated 2008.

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

National Provider Identifier

1487817326

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Registry record

Entity type Individual (Type 1)

Name Dallen Mill

Credential MD

Sex Male

Practice address 333 W Hampden Ave, Englewood, CO, 80110

Phone (303) 761-5646

Fax (303) 761-9280

Enumeration date Jul 9, 2008

Last updated in NPPES Nov 24, 2025

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 40273 (IA) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125055022 (IL) Secondary

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
12305251	Medicaid	CO	-

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 specialty is Dallen Mill?

Dallen Mill is registered in NPPES with the primary taxonomy of Anesthesiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-24.