Grant Hugh Cannizzaro, MSW
Clinical Social Worker · Littleton, CO
Grant Hugh Cannizzaro, MSW is a clinical social worker with a practice address in Littleton, Colorado, and NPI 1871661058, issued on Dec 4, 2006. Check the license (Colorado 982018, 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
- Grant Hugh Cannizzaro
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 982018 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5500 S Sycamore St, Littleton, CO 80120
- Phone
- (303) 730-3303
- Enumerated
- Dec 4, 2006
- Record last updated
- Nov 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- 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 Grant Hugh Cannizzaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 982018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Grant Hugh Cannizzaro among 7,356 clinical social worker records in Colorado
Grant Hugh Cannizzaro, MSW 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 not. 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 fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- 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
- David Mallo, LCSWLittleton, CO 801201760545255
Common questions
What is Grant Hugh Cannizzaro, MSW's NPI number?
Grant Hugh Cannizzaro, MSW's National Provider Identifier (NPI) is 1871661058, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grant Hugh Cannizzaro, MSW located?
The NPPES record lists a practice address at 5500 S Sycamore St, Littleton, CO, 80120. Phone: (303) 730-3303. Providers update this record themselves, so call before visiting.
How can I verify Grant Hugh Cannizzaro, MSW's license?
NPPES lists Colorado license number 982018, 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.