Sibyl Rae Cornell Hewitt, PH.D
Psychologist · Boulder, CO
Sibyl Rae Cornell Hewitt, PH.D is a psychologist with a practice address in Boulder, Colorado, and NPI 1831738863, issued on Dec 20, 2019. Check the license (Colorado PSY.0006814, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sibyl Rae Cornell Hewitt
- Credential
- PH.D
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY.0006814 CO
Self-reported in NPPES; status is on the state search - Practice location
- 777 29TH St Ste 500, Boulder, CO 80303
- Phone
- (720) 551-8074
- Enumerated
- Dec 20, 2019
- Record last updated
- Apr 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20260505000783); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 991 in Colorado → Look up another NPI →
Also registered at 777 29TH St Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Andrade, DOPsychiatry Physician1316696784
- Joseph Benedetti, LPCCMental Health Counselor1396589842
- Daniel Burhans, PMHNPPsychiatric/Mental Health Nurse Practitioner1376921940
- Mary Chenoweth, LPCProfessional Counselor1285587873
- Kristin EtzelProfessional Counselor1598603888
- Faiz Faseehuddin, M.D.Psychiatry Physician1407147259
Verify Sibyl Rae Cornell Hewitt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PSY.0006814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sibyl Rae Cornell Hewitt among 991 psychologist records in Colorado
Sibyl Rae Cornell Hewitt, PH.D is one of 991 psychologist records with a practice address in Colorado. 9% 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 2019, is newer than 77% of them.
- NPI issued2019 · 77% of these records are older, 20% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2023 · median 2006 among the 164 with a school on file
- Record last updated2026 · 58% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 psychologist records list a practice address in Boulder
They are 82 of the 5,635 NPPES records with a practice address in Boulder, and 991 psychologist records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 991 in Colorado → Every provider in Boulder → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Elizabeth George, PH.D.Boulder, CO 803031427385251
- Alison GothroBoulder, CO 803031487039913
- Catherine Johnston, PH.D.Boulder, CO 803031851370886
- Eve Kilmer, PHDBoulder, CO 803031184645202
- Brennan Mars, PSY.DBoulder, CO 803031013030923
- Karen McCarthy, PH.D.Boulder, CO 803031033109962
- Caitlin McKimmyBoulder, CO 803031134069719
- Edward Mockus, PHDBoulder, CO 803031902213655
Common questions
What is Sibyl Rae Cornell Hewitt, PH.D's NPI number?
Sibyl Rae Cornell Hewitt, PH.D's National Provider Identifier (NPI) is 1831738863, issued on Dec 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Sibyl Rae Cornell Hewitt, PH.D located?
The NPPES record lists a practice address at 777 29TH St Ste 500, Boulder, CO, 80303. Phone: (720) 551-8074. Providers update this record themselves, so call before visiting.
How can I verify Sibyl Rae Cornell Hewitt, PH.D's license?
NPPES lists Colorado license number PSY.0006814, as entered by the provider. Search the Colorado 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.