NPI Portal NPI Lookup & Verification

Jay Markson, MD

Jay Markson is a Pediatrics Physician provider (Pediatrics) practicing in Denver, CO, registered in the NPPES registry with NPI 1144289984 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1144289984
Entity type Individual (Type 1)
Name Jay Markson
Credential MD
Sex Male
Practice address 1625 MARION, Denver, CO, 80218
Phone 3038307337
Fax 3038301890
Enumeration date 2006-03-21
Last updated in NPPES 2011-03-24

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208000000X Pediatrics Physician Primary 25663 CO

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
01256635 Medicaid CO
Copy-ready billing details
Provider: Jay Markson, MD
NPI: 1144289984
Taxonomy: 208000000X (Pediatrics Physician)
Address: 1625 MARION, Denver, CO, 80218

Other providers at this practice address

NPI Name Type Specialty Location
1740257153 Mary Zavadil Individual Pediatrics Physician Denver, CO
1619944055 Spyridon Papadopoulos Individual Pediatrics Physician Denver, CO
1992772321 Cecil Lashlee Individual Pediatrics Physician Denver, CO

Verify this record

Cross-check NPI 1144289984 against the authoritative CMS record: view Jay Markson on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Jay Markson?
The National Provider Identifier (NPI) for Jay Markson is 1144289984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jay Markson practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-03-24.