NPPES file of Aug 9, 2026

Katie Melissa Welker, PA-C

Medical Physician Assistant · Greenwood Village, CO

Katie Melissa Welker, PA-C is a medical physician assistant with a practice address in Greenwood Village, Colorado, and NPI 1558699231, issued on Nov 18, 2009. Check the license (Colorado 2804, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558699231
Name
Katie Melissa Welker
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
2804 CO
Self-reported in NPPES; status is on the state search
Practice location
5600 S Quebec St, Greenwood Village, CO 80111
Phone
(303) 436-2727
Enumerated
Nov 18, 2009
Record last updated
Oct 26, 2022
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.
Download card Updates feed

Also registered at 5600 S Quebec St

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

  1. Shelby Adams, MA, BCBABehavior Analyst1487174488
  2. Joshua DavisPhysician Assistant1275118127
  3. Elizabeth HemphillPediatrics Physician1609196914
  4. Rhonda Jeffries, MDPediatrics Physician1184678286
  5. Susan Kirelik, M.D.Emergency Medicine Physician1215913710
  6. Rebecca Klein, M.D.Pediatrics Physician1932330685

Verify Katie Melissa Welker 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 2804
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average medical physician assistant in 2024

127 Medicare Part D claims for 73 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Katie Welker127
  2. Specialty average1,148

Most prescribed

  1. Albuterol Sulfate Hfa14 claims
  2. Naproxen12 claims
  3. Ondansetron Hcl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Medical Physician Assistant providers in Colorado

There are 1,308 medical physician assistant records in Colorado.

Other medical physician assistant records in Colorado

  1. Jennifer Abraham, PA-CFort Collins, CO1194121657
  2. Timothy Adair, PADenver, CO1356485072
  3. Whitney Adair, MPAS, PA-CAurora, CO1972996890
  4. Ashley Adams, PA-CGlenwood Springs, CO1982258190
  5. Bryan Adams, PAAurora, CO1386225662
  6. Meagan Adams, PA-CAurora, CO1104532241
  7. Timothy Ahearne, PA-CAurora, CO1396148151
  8. Amy Akerman, PA-CAurora, CO1922326024
  9. Brooke Albert, PA-CGolden, CO1932622719
  10. Marcy Albert, PA-CDenver, CO1497177794

Common questions

What is Katie Melissa Welker, PA-C's NPI number?

Katie Melissa Welker, PA-C's National Provider Identifier (NPI) is 1558699231, issued on Nov 18, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Katie Melissa Welker, PA-C located?

The NPPES record lists a practice address at 5600 S Quebec St, Greenwood Village, CO, 80111. Phone: (303) 436-2727. Providers update this record themselves, so call before visiting.

How can I verify Katie Melissa Welker, PA-C's license?

NPPES lists Colorado license number 2804, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Katie Melissa Welker, PA-C prescribe under Medicare Part D?

In 2024, Katie Melissa Welker, PA-C had 127 Medicare Part D claims for 73 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions 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. 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.