Debra K. Nielson, PSY.D.
Clinical Psychologist · Denver, CO
Debra K. Nielson, PSY.D. is a clinical psychologist with a practice address in Denver, Colorado, and NPI 1265640627, issued on May 18, 2007. Check the license (Colorado 2369, 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
- Debra K. Nielson
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 2369 CO
Self-reported in NPPES; status is on the state search - Practice location
- 671 Grant St, Denver, CO 80203
- Phone
- (720) 301-2185
- Enumerated
- May 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,652 in Colorado → Look up another NPI →
Also registered at 671 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanne Floerke, PSYDClinical Psychologist1811046212
- Jean Johnson, LCSWClinical Social Worker1225366248
- Mary Jane McBean, PSYDClinical Psychologist1659422244
Verify Debra K. Nielson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 2369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Debra K. Nielson among 1,652 clinical psychologist records in Colorado
Debra K. Nielson, PSY.D. is one of 1,652 clinical psychologist records with a practice address in Colorado. 14% 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 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 62% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2007 · 60% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
477 clinical psychologist records list a practice address in Denver
They are 477 of the 25,068 NPPES records with a practice address in Denver, and 1,652 clinical psychologist records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,652 in Colorado → Every provider in Denver → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Korrie Allen, PSY.D.Denver, CO 802031588847180
- Jamie Brenner, PSY.D.Denver, CO 802031437484037
- Amy Calabrese, PSYDDenver, CO 802031215054655
- Kate Colon, PSYDDenver, CO 802031407174741
- Rosario Delcastillo, PSY.D.Denver, CO 802031063742252
- Robert Demoss, PSY.D.Denver, CO 802031851504807
- Jeanne Floerke, PSYDDenver, CO 802031811046212
- Mary Jane McBean, PSYDDenver, CO 802031659422244
Common questions
What is Debra K. Nielson, PSY.D.'s NPI number?
Debra K. Nielson, PSY.D.'s National Provider Identifier (NPI) is 1265640627, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Debra K. Nielson, PSY.D. located?
The NPPES record lists a practice address at 671 Grant St, Denver, CO, 80203. Phone: (720) 301-2185. Providers update this record themselves, so call before visiting.
How can I verify Debra K. Nielson, PSY.D.'s license?
NPPES lists Colorado license number 2369, 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.