Earl S. Nielsen, PH.D.
Clinical Psychologist · Reno, NV
Earl S. Nielsen, PH.D. is a clinical psychologist with a practice address in Reno, Nevada, and NPI 1043338593, issued on Mar 26, 2007. Check the license (Nevada PY099, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Earl S. Nielsen
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PY099 NV
Self-reported in NPPES; status is on the state search - Practice location
- 834 Willow St, Reno, NV 89502
- Phone
- (775) 323-6766
- Enumerated
- Mar 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (775) 323-2716
- Medicare enrollment
- Enrolled (PECOS I20191016000996); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 346 in Nevada → Look up another NPI →
Also registered at 834 Willow St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lorraine Apodaca, PHD INTERNStudent in an Organized Health Care Education/Training Program1912641572
- Merle Askren, PH.D.Clinical Psychologist1730244187
- James Draper, PH.D.Clinical Psychologist1518213859
- Sally Farmer, PHDClinical Psychologist1164601084
- Martha Mahaffey, PH.D.Clinical Psychologist1801962394
Verify Earl S. Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Nevada board licenses this profession
Search for license PY099Check 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
- Reno Sparks Indian ColonyReno, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Earl S. Nielsen among 346 clinical psychologist records in Nevada
Earl S. Nielsen, PH.D. is one of 346 clinical psychologist records with a practice address in Nevada. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 61% newer
- In a Medicare fileYes · 10% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated1979 · median 2009 among the 77 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Nevada
There are 346 clinical psychologist records in Nevada.
All 346 in Nevada → Every provider in Reno → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- William Akins, PH.D.Reno, NV 895021710020789
- Merle Askren, PH.D.Reno, NV 895021730244187
- Lynn Boutilier, PH.D.Reno, NV 895021871501296
- James D'Andrea, PH.D.Reno, NV 895021518999580
- Frank Evarts, PH.D.Reno, NV 895021861583478
- Gregory Giron, PSY.D.Reno, NV 895021225183502
- Negar Jacobs, PH.D.Reno, NV 895021801818984
- Rebecca Jankovich, PHDReno, NV 895021366584120
Common questions
What is Earl S. Nielsen, PH.D.'s NPI number?
Earl S. Nielsen, PH.D.'s National Provider Identifier (NPI) is 1043338593, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Earl S. Nielsen, PH.D. located?
The NPPES record lists a practice address at 834 Willow St, Reno, NV, 89502. Phone: (775) 323-6766. Providers update this record themselves, so call before visiting.
How can I verify Earl S. Nielsen, PH.D.'s license?
NPPES lists Nevada license number PY099, as entered by the provider. Search the Nevada 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.