David Mallo, LCSW
Clinical Social Worker · Littleton, CO
David Mallo, LCSW is a clinical social worker with a practice address in Littleton, Colorado, and NPI 1760545255, issued on Dec 18, 2006. Check the license (Colorado CSW.00989028, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Mallo
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- CSW.00989028 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5500 S Sycamore St, Littleton, CO 80120
- Phone
- (303) 723-5911
- Enumerated
- Dec 18, 2006
- Record last updated
- Jun 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20100617000647); 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 5500 S Sycamore St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kriti Adhikari, RNPsychiatric/Mental Health Registered Nurse1326921016
- Susan AndrackiMental Health Counselor1013209469
- Maninder Bali, MDPsychiatry Physician1528220266
- Amber Beasley, LPNAdult Psychiatric/Mental Health Registered Nurse1871637058
- Robert Benge, RN, BSN, MSN, NPPsychiatric/Mental Health Nurse Practitioner1003338583
- Susan Bernard, MS,CACIIMental Health Counselor1205950862
Verify David Mallo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license CSW.00989028Check 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
- Sondermind Provider Network LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Mallo among 7,356 clinical social worker records in Colorado
David Mallo, 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 92% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1984 · median 2014 among the 1,575 with a school on file
- Record last updated2026 · 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
- Erin Bennetts, LCSWLittleton, CO 801201801806302
- Melissa BortnemLittleton, CO 801201619029170
- Grant Cannizzaro, MSWLittleton, CO 801201871661058
- Sarah Clark, LCSWLittleton, CO 801201164574091
- Sharon Deguevara, LCSWLittleton, CO 801201174674311
- Ann Fleming, LCSWLittleton, CO 801201336207380
- Mark Grebener, LCSW LACLittleton, CO 801201558462481
- Virginia Lee, LCSWLittleton, CO 801201922151307
Common questions
What is David Mallo, LCSW's NPI number?
David Mallo, LCSW's National Provider Identifier (NPI) is 1760545255, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Mallo, LCSW located?
The NPPES record lists a practice address at 5500 S Sycamore St, Littleton, CO, 80120. Phone: (303) 723-5911. Providers update this record themselves, so call before visiting.
How can I verify David Mallo, LCSW's license?
NPPES lists Colorado license number CSW.00989028, 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.