Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David A. Merin
Physician Assistant in Longmont, CO · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053742213
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Registry record
Entity type Individual (Type 1)
Name David A. Merin
Sex Male
Practice address 1950 Mountain View Ave, Longmont, CO, 80501
Phone (303) 651-5000
Fax (303) 306-7753
Enumeration date Dec 12, 2013
Last updated in NPPES May 3, 2021
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA.0003857 (CO) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5610 (AZ) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P01425202 | Other | CO | RAILROAD MEDICARE |
| 64305546 | 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.
Frequently asked questions
Where does David Merin practice?
The practice location on file with NPPES is in Longmont, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Merin?
The National Provider Identifier (NPI) for David Merin is 1053742213, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Antony Pearson Hospitalist Physician · Longmont, CO NPI 1235136201 Albert Colton Emergency Medicine Physician · Longmont, CO NPI 1689657157 Herbert Ogden Emergency Medicine Physician · Longmont, CO NPI 1790769859 Wyatt Hall Emergency Medicine Physician · Longmont, CO NPI 1023094760 Andrew Johanos Emergency Medicine Physician · Longmont, CO NPI 1891771309 Paul Sullivan Emergency Medicine Physician · Longmont, CO NPI 1285611046 Marc Holbert Physician Assistant · Longmont, CO NPI 1346299989 Longmont Anesthesia Associates, Pllc Anesthesiology Physician · Longmont, CO NPI 1790737914
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-03.