NPPES file of Aug 9, 2026

Robert Diehl, PHD

Counseling Psychologist · Boulder, CO

Robert Diehl, PHD is a counseling psychologist with a practice address in Boulder, Colorado, and NPI 1992081053, issued on Nov 2, 2011. Check the license (Colorado 0005599, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992081053
Name
Robert Diehl
Credential
PHD
Primary taxonomy
Counseling Psychologist 103TC1900X
License numbers
0005599 CO
03259 KS
Self-reported in NPPES; status is on the state search
Practice location
2500 30TH St Ste 206, Boulder, CO 80301
Phone
(720) 619-0531
Enumerated
Nov 2, 2011
Record last updated
Nov 3, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2500 30TH St Ste 206

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicki Baumbach, LCSW, MPHClinical Social Worker1427806058
  2. Adam Oneil, PHDClinical Psychologist1548932106
  3. Hannah Taxman, LPCProfessional Counselor1669355806

Verify Robert Diehl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 0005599
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

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Robert Diehl among 250 counseling psychologist records in Colorado

Robert Diehl, PHD is one of 250 counseling psychologist records with a practice address in Colorado. 6% 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 2011, is newer than 37% of them.

  • NPI issued2011 · 37% of these records are older, 59% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 12% of these records are
  • Record last updated2023 · 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 103TC1900X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Counseling Psychologist providers in Colorado

There are 250 counseling psychologist records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 counseling psychologist records with the nearest ZIP codes

  1. Elizabeth Asta, PH.DBoulder, CO 803011154714699
  2. Anne Giles, LPCCBoulder, CO 803011669273462
  3. Jason Gruhl, MABoulder, CO 803021023993524
  4. Nan Hebert, MA, PHD(C), LPCCBoulder, CO 803021710685706
  5. Jacqueline Richman, PSYCHOLOGISTBoulder, CO 803021043464456
  6. Ina Robbins, ED. D.Boulder, CO 803021952434433
  7. Tara Stanley, LPCCBoulder, CO 803021891358271
  8. Vanessa Bean, PH.D.Boulder, CO 803031215522669

Common questions

What is Robert Diehl, PHD's NPI number?

Robert Diehl, PHD's National Provider Identifier (NPI) is 1992081053, issued on Nov 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Robert Diehl, PHD located?

The NPPES record lists a practice address at 2500 30TH St Ste 206, Boulder, CO, 80301. Phone: (720) 619-0531. Providers update this record themselves, so call before visiting.

How can I verify Robert Diehl, PHD's license?

NPPES lists Colorado license number 0005599, 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.