NPPES file of Aug 9, 2026

Isabella Sofia Perez, LCSW

Clinical Social Worker · Littleton, CO

Isabella Sofia Perez, LCSW is a clinical social worker with a practice address in Littleton, Colorado, and NPI 1841006731, issued on Dec 5, 2024. Check the license (Colorado CSW.09931037, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841006731
Name
Isabella Sofia Perez
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
CSW.09931037 CO
Self-reported in NPPES; status is on the state search
Practice location
5555 S Elati St, Littleton, CO 80120
Phone
(303) 798-8686
Enumerated
Dec 5, 2024
Record last updated
Dec 6, 2024
Medicare enrollment
Enrolled (PECOS I20241213000391); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 7,356 in Colorado → Look up another NPI →

Also registered at 5555 S Elati St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tiana Hatter, COTA/LOccupational Therapy Assistant1043938624
  2. Collin HillSpeech-Language Pathologist1508584152
  3. Ryan Mattes, OTROccupational Therapist1407574197
  4. Jenna SchnackerPhysical Therapy Assistant1285348227
  5. James Vankluyve, PT, DPTPhysical Therapist1962158766

Verify Isabella Sofia Perez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license CSW.09931037    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Truecare24 Physicians Group, S.C.Denver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Isabella Sofia Perez among 7,356 clinical social worker records in Colorado

Isabella Sofia Perez, 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 2024, is newer than 86% of them.

  • NPI issued2024 · 86% of these records are older, 8% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2022 · median 2014 among the 1,575 with a school on file
  • Record last updated2024 · 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

  1. Erin Bennetts, LCSWLittleton, CO 801201801806302
  2. Melissa BortnemLittleton, CO 801201619029170
  3. Grant Cannizzaro, MSWLittleton, CO 801201871661058
  4. Sarah Clark, LCSWLittleton, CO 801201164574091
  5. Sharon Deguevara, LCSWLittleton, CO 801201174674311
  6. Ann Fleming, LCSWLittleton, CO 801201336207380
  7. Mark Grebener, LCSW LACLittleton, CO 801201558462481
  8. Virginia Lee, LCSWLittleton, CO 801201922151307

Common questions

What is Isabella Sofia Perez, LCSW's NPI number?

Isabella Sofia Perez, LCSW's National Provider Identifier (NPI) is 1841006731, issued on Dec 5, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Isabella Sofia Perez, LCSW located?

The NPPES record lists a practice address at 5555 S Elati St, Littleton, CO, 80120. Phone: (303) 798-8686. Providers update this record themselves, so call before visiting.

How can I verify Isabella Sofia Perez, LCSW's license?

NPPES lists Colorado license number CSW.09931037, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.