William Ray Miller II
Physician Assistant · Denver, CO
William Ray Miller II is a physician assistant with a practice address in Denver, Colorado, and NPI 1659419539, issued on Feb 2, 2007. Check the license (Colorado PA.0002788, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Ray Miller II
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA.0002788 CO
PA03662 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4567 East 9TH Avenue, Denver, CO 80220
- Phone
- (303) 320-2455
- Enumerated
- Feb 2, 2007
- Record last updated
- Aug 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 56131330 CO
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Verify William Ray Miller II in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA.0002788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
51 Medicare Part D claims for 37 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
William Ray Miller II among 3,767 physician assistant records in Colorado
William Ray Miller II is one of 3,767 physician assistant records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 76% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2015 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
540 physician assistant records list a practice address in Denver
They are 540 of the 25,068 NPPES records with a practice address in Denver, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Denver → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Theresa Capaci, PADenver, CO 802201629105655
- Susan Esmond, PA-CDenver, CO 802201639168586
- Denise FlaspohlerDenver, CO 802201467482208
- Molly Gilpin, PADenver, CO 802201003837709
- Richard Harvey, PA-CDenver, CO 802201992736375
- Julee Karcz, PA-CDenver, CO 802201659562445
- Melissa MunkwitzDenver, CO 802201366462855
- Ilene Nova, PA-CDenver, CO 802201952529836
Common questions
What is William Ray Miller II's NPI number?
William Ray Miller II's National Provider Identifier (NPI) is 1659419539, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Ray Miller II located?
The NPPES record lists a practice address at 4567 East 9TH Avenue, Denver, CO, 80220. Phone: (303) 320-2455. Providers update this record themselves, so call before visiting.
How can I verify William Ray Miller II's license?
NPPES lists Colorado license number PA.0002788, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does William Ray Miller II prescribe under Medicare Part D?
In 2024, William Ray Miller II had 51 Medicare Part D claims for 37 beneficiaries; the average among physician assistant prescribers was 830. 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.