Melissa Cook, LCSW
Clinical Social Worker · Littleton, CO
Melissa Cook, LCSW is a clinical social worker with a practice address in Littleton, Colorado, and NPI 1629478052, issued on Sep 4, 2014. Check the license (Colorado 249, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Cook
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 249 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5921 Middlefield RD, Littleton, CO 80123
- Phone
- (303) 257-3234
- Enumerated
- Sep 4, 2014
- Record last updated
- Jan 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (303) 794-0408
- Medicare enrollment
- Enrolled (PECOS I20180508002688); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,356 in Colorado → Look up another NPI →
Also registered at 5921 Middlefield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Lister, LCSWClinical Social Worker1821319666
Verify Melissa Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Littleton Counseling Associates IncLittleton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Cook among 7,356 clinical social worker records in Colorado
Melissa Cook, LCSW is one of 7,356 clinical social worker records with a practice address in Colorado. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 36% of them.
- NPI issued2014 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2001 · median 2014 among the 1,575 with a school on file
- Record last updated2017 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
266 clinical social worker records list a practice address in Littleton
They are 266 of the 3,918 NPPES records with a practice address in Littleton, and 7,356 clinical social worker records in Colorado.
All 7,356 in Colorado → Every provider in Littleton → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Leanne Black, LEANNE BLACKLittleton, CO 801231154477024
- Elena Davis, LCSWLittleton, CO 801231780714543
- Lisa Deboer, LCSWLittleton, CO 801231841486891
- Kathleen Huling, L.C.S.W.Littleton, CO 801231437239324
- Harriet Ivker, MSWLittleton, CO 801231821023656
- Susan James-PadillaLittleton, CO 801231174822795
- Illena Klassen, LCSWLittleton, CO 801231316190192
- Jennifer Leblanc, LCSWLittleton, CO 801231992003982
Common questions
What is Melissa Cook, LCSW's NPI number?
Melissa Cook, LCSW's National Provider Identifier (NPI) is 1629478052, issued on Sep 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Cook, LCSW located?
The NPPES record lists a practice address at 5921 Middlefield RD, Littleton, CO, 80123. Phone: (303) 257-3234. Providers update this record themselves, so call before visiting.
How can I verify Melissa Cook, LCSW's license?
NPPES lists Colorado license number 249, 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. Medicare files from data.cms.gov. 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.