Marcus J. Firillo, D.C.
Chiropractor · Lakewood, CO
Marcus J. Firillo, D.C. is a chiropractor with a practice address in Lakewood, Colorado, and NPI 1891854063, issued on Dec 6, 2006. Check the license (Colorado 2919, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marcus J. Firillo
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 2919 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5401 W Alameda Ave, Lakewood, CO 80226
- Phone
- (303) 232-2436
- Enumerated
- Dec 6, 2006
- Record last updated
- Dec 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (303) 234-1945
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,349 in Colorado → Look up another NPI →
Verify Marcus J. Firillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 2919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marcus J. Firillo among 2,349 chiropractor records in Colorado
Marcus J. Firillo, D.C. is one of 2,349 chiropractor records with a practice address in Colorado. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 74% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 28% of these records are
- Record last updated2008 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 chiropractor records list a practice address in Lakewood
They are 82 of the 4,944 NPPES records with a practice address in Lakewood, and 2,349 chiropractor records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,349 in Colorado → Every provider in Lakewood → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Shelly Dowling, DCLakewood, CO 802261124317326
- Barbara Gauthier, D.C.Lakewood, CO 802261063688877
- Jay Hafner, D.C.Lakewood, CO 802261801893813
- Andrew Hanson, D.C.Lakewood, CO 802261790125169
- Richard Keuhn, D.C.Lakewood, CO 802261043480114
- Richard Kronen, DCLakewood, CO 802261720267503
- Daniel Maduff, D.C.Lakewood, CO 802261083798854
- Matthew Romo, D.C.Lakewood, CO 802261205154713
Common questions
What is Marcus J. Firillo, D.C.'s NPI number?
Marcus J. Firillo, D.C.'s National Provider Identifier (NPI) is 1891854063, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcus J. Firillo, D.C. located?
The NPPES record lists a practice address at 5401 W Alameda Ave, Lakewood, CO, 80226. Phone: (303) 232-2436. Providers update this record themselves, so call before visiting.
How can I verify Marcus J. Firillo, D.C.'s license?
NPPES lists Colorado license number 2919, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.