Catharine Howland Johnston-Brooks, PHD
Clinical Neuropsychologist · Denver, CO
Catharine Howland Johnston-Brooks, PHD is a clinical neuropsychologist with a practice address in Denver, Colorado, and NPI 1235199308, issued on Mar 24, 2006. Check the license (Colorado 2499, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catharine Howland Johnston-Brooks
- Credential
- PHD
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License number
- 2499 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1055 Clermont St, Denver, CO 80220
- Phone
- (303) 399-8020
- Enumerated
- Mar 24, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170920001377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 155 in Colorado → Look up another NPI →
Also registered at 1055 Clermont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Able, RNRegistered Nurse1124264726
- Sergio Aguilar, MSWClinical Social Worker1497099352
- Stephen Albert, D.P.M.Primary Podiatric Medicine Podiatrist1497798144
- Mary Albyn, R.PH.Pharmacist1477689073
- Edward Alvarez, RNRegistered Nurse1407919459
- Colleen Ambrozy, BS PHARMPharmacist1174570980
Verify Catharine Howland Johnston-Brooks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 2499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catharine Howland Johnston-Brooks among 155 clinical neuropsychologist records in Colorado
Catharine Howland Johnston-Brooks, PHD is one of 155 clinical neuropsychologist records with a practice address in Colorado. 25% 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, 74% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated1999 · median 2011 among the 46 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in Colorado
There are 155 clinical neuropsychologist records in Colorado.
All 155 in Colorado → Every provider in Denver → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Walter Smith, BSDenver, CO 802201790041234
- Katherine Derbyshire, PH.D.Denver, CO 802221134838717
- E. Martin, PH.D.Denver, CO 802221770649865
- M. Navarrete, PH.D.Denver, CO 802241023146982
- Jon DennigDenver, CO 802091972792802
- Stephen Kalat, PH.D.Denver, CO 802091457470601
- Samantha Stein, PSYDDenver, CO 802091356828776
- Sarah Batchelder, PHDDenver, CO 802061215260641
Common questions
What is Catharine Howland Johnston-Brooks, PHD's NPI number?
Catharine Howland Johnston-Brooks, PHD's National Provider Identifier (NPI) is 1235199308, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catharine Howland Johnston-Brooks, PHD located?
The NPPES record lists a practice address at 1055 Clermont St, Denver, CO, 80220. Phone: (303) 399-8020. Providers update this record themselves, so call before visiting.
How can I verify Catharine Howland Johnston-Brooks, PHD's license?
NPPES lists Colorado license number 2499, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
What is Catharine Howland Johnston-Brooks, PHD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.