Robert W. Holtsoi, LAC
Counselor · Phoenix, AZ
Robert W. Holtsoi, LAC is a counselor with a practice address in Phoenix, Arizona, and NPI 1780050823, issued on Aug 12, 2015. Check the license (Arizona LAC15645, 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.
- Name
- Robert W. Holtsoi
- Credential
- LAC
- Primary taxonomy
- Counselor 101Y00000X
- License number
- LAC15645 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4041 N. Central Ave, Phoenix, AZ 85012
- Phone
- (602) 279-5262
- Enumerated
- Aug 12, 2015
- Record last updated
- Aug 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (602) 279-5390
- Entity
- Type 1 · individual
8 nearest counselor records → All 1,161 in Arizona → Look up another NPI →
Also registered at 4041 N. Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roy Johnston, L.I.S.A.CAddiction (Substance Use Disorder) Counselor1760681985
- Elmer Myron, LBSW, LISACAddiction (Substance Use Disorder) Counselor1710197843
Verify Robert W. Holtsoi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license LAC15645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert W. Holtsoi among 1,161 counselor records in Arizona
Robert W. Holtsoi, LAC is one of 1,161 counselor records with a practice address in Arizona. 3% 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 2015, is newer than 28% of them.
- NPI issued2015 · 28% of these records are older, 69% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2015 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counselor providers in Arizona
There are 1,161 counselor records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,161 in Arizona → Every provider in Phoenix → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Kimberly CloydPhoenix, AZ 850121518465087
- Mary De Guzman, LCSWPhoenix, AZ 850121669011748
- Cayla GenslerPhoenix, AZ 850121548725377
- Christine Hayes, MS, LPC CLLPhoenix, AZ 850121184164154
- Richard IslesPhoenix, AZ 850121679071054
- Matthew Joyce, LPCPhoenix, AZ 850121013575166
- Daisy Mateo AntunaPhoenix, AZ 850121518333699
- Mihaela Nesic Karaselimovic, MC LPCPhoenix, AZ 850121558734426
Common questions
What is Robert W. Holtsoi, LAC's NPI number?
Robert W. Holtsoi, LAC's National Provider Identifier (NPI) is 1780050823, issued on Aug 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Holtsoi, LAC located?
The NPPES record lists a practice address at 4041 N. Central Ave, Phoenix, AZ, 85012. Phone: (602) 279-5262. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Holtsoi, LAC's license?
NPPES lists Arizona license number LAC15645, 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.