NPPES file of Aug 9, 2026

Ricka Denise Messer, M.D./PHD

Neurology with Special Qualifications in Child Neurology Physician · Aurora, CO

Ricka Denise Messer, M.D./PHD is a neurology with special qualifications in child neurology physician with a practice address in Aurora, Colorado, and NPI 1558687624, issued on Apr 14, 2010. Check the license (Colorado DR0055402, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1558687624
Name
Ricka Denise Messer
Credential
M.D./PHD
Primary taxonomy
Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
License number
DR0055402 CO
Self-reported in NPPES; status is on the state search
Practice location
13123 E 16TH Ave, Aurora, CO 80045
Phone
(720) 777-1234
Enumerated
Apr 14, 2010
Record last updated
Nov 5, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151014001933); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 13123 E 16TH Ave

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

  1. Travis Aardsma, RRT-NPSNeonatal/Pediatric Registered Respiratory Therapist1295463305
  2. Shawna Abbey, MDPediatric Emergency Medicine (Pediatrics) Physician1568547206
  3. Jordan Abbott, M.D.Pediatric Allergy/Immunology Physician1235315375
  4. Megan Abbott, MDEpilepsy Physician1861997355
  5. Denise Abdoo, PNPPediatric Nurse Practitioner1174558043
  6. Hemn Abdulrahim, MDNeurological Surgery Physician1871147769

Verify Ricka Denise Messer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR0055402
    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
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. University Physicians IncorporatedAurora, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ricka Denise Messer among 65 neurology with special qualifications in child neurology physician records in Colorado

Ricka Denise Messer, M.D./PHD is one of 65 neurology with special qualifications in child neurology physician records with a practice address in Colorado. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 38% of them.

  • NPI issued2010 · 38% of these records are older, 57% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileYes · 37% of these records are
  • Graduated2010 · median 2015 among the 24 with a school on file
  • Record last updated2015 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0402X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology with Special Qualifications in Child Neurology Physician providers in Colorado

There are 65 neurology with special qualifications in child neurology physician records in Colorado.

The 8 neurology with special qualifications in child neurology physician records with the nearest ZIP codes

  1. Jennifer Armstrong, MDAurora, CO 800451063548550
  2. Timothy Benke, MDAurora, CO 800451356426092
  3. Timothy Bernard, MDAurora, CO 800451922193614
  4. Mario Coleman, MDAurora, CO 800451104838242
  5. Abigail Collins, MDAurora, CO 800451962539668
  6. Carolyn Green, MDAurora, CO 800451700807443
  7. Jessica Litwin, MDAurora, CO 800451245345321
  8. Bradford Miller, MDAurora, CO 800451699714816

Common questions

What is Ricka Denise Messer, M.D./PHD's NPI number?

Ricka Denise Messer, M.D./PHD's National Provider Identifier (NPI) is 1558687624, issued on Apr 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Ricka Denise Messer, M.D./PHD located?

The NPPES record lists a practice address at 13123 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 777-1234. Providers update this record themselves, so call before visiting.

How can I verify Ricka Denise Messer, M.D./PHD's license?

NPPES lists Colorado license number DR0055402, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.