NPPES file of Aug 9, 2026

Holly Darwin, LCSW

Clinical Social Worker · Tucson, AZ

Holly Darwin, LCSW is a clinical social worker with a practice address in Tucson, Arizona, and NPI 1063705770, issued on May 27, 2011. Check the license (Arizona LCSW-103021, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1063705770
Name
Holly Darwin
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCSW-103021 AZ
Self-reported in NPPES; status is on the state search
Practice location
7400 N Oracle RD, Tucson, AZ 85704
Phone
(520) 979-5606
Enumerated
May 27, 2011
Record last updated
Jun 15, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110902000084); 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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Also registered at 7400 N Oracle RD

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

  1. Lesley Fidler, M.S.Speech-Language Pathologist1114250982
  2. Bethany Lien, M.S. CCC SLPSpeech-Language Pathologist1508059320

Verify Holly Darwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license LCSW-103021
    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 Arizona 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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Holly Darwin among 3,200 clinical social worker records in Arizona

Holly Darwin, LCSW is one of 3,200 clinical social worker records with a practice address in Arizona. 11% 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 2011, is newer than 33% of them.

  • NPI issued2011 · 33% of these records are older, 64% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated1998 · median 2011 among the 648 with a school on file
  • Record last updated2017 · 47% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

674 clinical social worker records list a practice address in Tucson

They are 674 of the 18,788 NPPES records with a practice address in Tucson, and 3,200 clinical social worker records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Rosemarie Ampela, LCSWTucson, AZ 857041124178264
  2. Laura Aylmer, MSS, LCSWTucson, AZ 857041740356047
  3. Lynn Barwick, LCSWTucson, AZ 857041699742981
  4. Stephen Budd, MSW, LCSWTucson, AZ 857041295949709
  5. Linda Cerveny, MSWTucson, AZ 857041114070281
  6. Daniel Cook, LCSWTucson, AZ 857041093014953
  7. Heather Finn, LCSW, LICSWTucson, AZ 857041619143070
  8. Walid Haddad, LCSWTucson, AZ 857041629288782

Common questions

What is Holly Darwin, LCSW's NPI number?

Holly Darwin, LCSW's National Provider Identifier (NPI) is 1063705770, issued on May 27, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Holly Darwin, LCSW located?

The NPPES record lists a practice address at 7400 N Oracle RD, Tucson, AZ, 85704. Phone: (520) 979-5606. Providers update this record themselves, so call before visiting.

How can I verify Holly Darwin, LCSW's license?

NPPES lists Arizona license number LCSW-103021, as entered by the provider. Search the Arizona 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.