Mary P. Riddle, PH.D.
Clinical Psychologist · State College, PA
Mary P. Riddle, PH.D. is a clinical psychologist with a practice address in State College, Pennsylvania, and NPI 1588840524, issued on Jan 20, 2008. Check the license (Pennsylvania PS016040, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary P. Riddle
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PS016040 PA
Self-reported in NPPES; status is on the state search - Practice location
- 712 Cornwall RD, State College, PA 16803
- Phone
- (212) 643-0939
- Enumerated
- Jan 20, 2008
- Record last updated
- Jan 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 2,597 in Pennsylvania → Look up another NPI →
Verify Mary P. Riddle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license PS016040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary P. Riddle among 2,597 clinical psychologist records in Pennsylvania
Mary P. Riddle, PH.D. is one of 2,597 clinical psychologist records with a practice address in Pennsylvania. 15% 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 2008, is newer than 46% of them.
- NPI issued2008 · 46% of these records are older, 49% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2008 · 65% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 clinical psychologist records list a practice address in State College
They are 40 of the 1,543 NPPES records with a practice address in State College, and 2,597 clinical psychologist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,597 in Pennsylvania → Every provider in State College → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Michael Cawley, PHDState College, PA 168031033134259
- Allan Elfant, PHDState College, PA 168031609039338
- Kenneth Levy, PH.D.State College, PA 168031083025100
- Ginger Moore, PHDState College, PA 168031992168637
- Peter ArnettUniversity Park, PA 168021215946249
- Mary BoutselisUniversity Park, PA 168021720013634
- Louis CastonguayUniversity Park, PA 168021073546503
- Frank Hillary, PHDUniversity Park, PA 168021245375807
Common questions
What is Mary P. Riddle, PH.D.'s NPI number?
Mary P. Riddle, PH.D.'s National Provider Identifier (NPI) is 1588840524, issued on Jan 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary P. Riddle, PH.D. located?
The NPPES record lists a practice address at 712 Cornwall RD, State College, PA, 16803. Phone: (212) 643-0939. Providers update this record themselves, so call before visiting.
How can I verify Mary P. Riddle, PH.D.'s license?
NPPES lists Pennsylvania license number PS016040, as entered by the provider. Search the Pennsylvania 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.