Mary Callaway Wiley, PSY.D.
Psychologist · Danville, CA
Mary Callaway Wiley, PSY.D. is a psychologist with a practice address in Danville, California, and NPI 1942300504, issued on Sep 24, 2006. Check the license (California 18822, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Callaway Wiley
- Credential
- PSY.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 18822 CA
Self-reported in NPPES; status is on the state search - Practice location
- 145 East Prospect Avenue, Danville, CA 94526
- Phone
- (925) 901-4913
- Enumerated
- Sep 24, 2006
- Record last updated
- Jan 24, 2022
- Medicare enrollment
- Enrolled (PECOS I20061101000231); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Verify Mary Callaway Wiley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 18822Check 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
- Permanente Medical Group IncNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Callaway Wiley among 7,304 psychologist records in California
Mary Callaway Wiley, PSY.D. is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 82% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2000 · median 2005 among the 1,058 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 psychologist records list a practice address in Danville
They are 11 of the 897 NPPES records with a practice address in Danville, and 7,304 psychologist records in California.
All 7,304 in California → Every provider in Danville → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Roberta ChambersDanville, CA 945261124176557
- Viviane Chang, PH.D.Danville, CA 945261023900123
- Sara Denman, PSYDDanville, CA 945261770590747
- William Dodge, PHDDanville, CA 945261184085920
- Nazi Falahat, PSYCHOLOGISTDanville, CA 945261750121372
- Michelle Gherlone, LEP, LMFT, MADanville, CA 945261215743406
- Arie Koster, PSYDDanville, CA 945261265957542
- Melissa Nola, MS, MA, LEPDanville, CA 945261245153964
Common questions
What is Mary Callaway Wiley, PSY.D.'s NPI number?
Mary Callaway Wiley, PSY.D.'s National Provider Identifier (NPI) is 1942300504, issued on Sep 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Callaway Wiley, PSY.D. located?
The NPPES record lists a practice address at 145 East Prospect Avenue, Danville, CA, 94526. Phone: (925) 901-4913. Providers update this record themselves, so call before visiting.
How can I verify Mary Callaway Wiley, PSY.D.'s license?
NPPES lists California license number 18822, as entered by the provider. Search the California 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.