Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alan Mark Stark, RPH

Pharmacist in Denver, CO · enumerated 2006.

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

National Provider Identifier

1336181254

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Registry record

Entity type Individual (Type 1)

Name Alan Mark Stark

Credential RPH

Sex Male

Practice address 1055 Clermont St, Denver, CO, 80220

Phone (303) 399-8020

Enumeration date Jun 12, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License P3683 (CO) Primary

RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

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 Alan Stark?

Alan Stark is registered in NPPES with the primary taxonomy of Pharmacist. 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.

Other providers at this practice address

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Suzanne Kasim Pharmacist · Denver, CO NPI 1316942188 Linda Loftin Adult Health Nurse Practitioner · Denver, CO NPI 1205836921 John Hawk Pharmacotherapy Pharmacist · Denver, CO NPI 1700871902 Va Eastern Colorado Hcs General Acute Care Hospital · Denver, CO NPI 1760468680 Patricia Schoch Pharmacotherapy Pharmacist · Denver, CO NPI 1275507543 Melvin Rodgers Family Nurse Practitioner · Denver, CO NPI 1992779110 Jessica Praska Pharmacist · Denver, CO NPI 1801860028 Ryan Schimmer Pharmacotherapy Pharmacist · Denver, CO NPI 1447224662

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.