David James Mackey, PHYSICIAN ASSISTANT
Physician Assistant · Denver, CO
David James Mackey, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Denver, Colorado, and NPI 1265853790, issued on Dec 31, 2013. Check the license (Colorado PA0003818, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David James Mackey
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA0003818 CO
Self-reported in NPPES; status is on the state search - Practice location
- 777 Bannock St, Denver, CO 80204
- Phone
- (303) 436-4949
- Enumerated
- Dec 31, 2013
- Record last updated
- Oct 23, 2024
- Fax
- (303) 602-4560
- Medicare enrollment
- Enrolled (PECOS I20140411001331); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 777 Bannock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David James Mackey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA0003818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average physician assistant in 2024
87 Medicare Part D claims for 74 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate13 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.
Bills Medicare through 2 group practices
- Denver Health And Hospital AuthorityDenver, CO
- Rosebud Indian Health ServiceRosebud, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David James Mackey among 3,767 physician assistant records in Colorado
David James Mackey, PHYSICIAN ASSISTANT 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 2013, is newer than 41% of them.
- NPI issued2013 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2017 among the 2,351 with a school on file
- Record last updated2024 · 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
- Magdalena Aguayo, PADenver, CO 802041548295017
- Constance Boyle, PADenver, CO 802041427077155
- Barbara Burrowes, PA CDenver, CO 802041891745485
- Kathryn Davis, PADenver, CO 802041730109604
- Neil Dobson, PADenver, CO 802041154341022
- Tara Edick, PADenver, CO 802041972523850
- Mary Ellen Flynn, PADenver, CO 802041043231764
- Thia Gonzales, PADenver, CO 802041003833864
Common questions
What is David James Mackey, PHYSICIAN ASSISTANT's NPI number?
David James Mackey, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1265853790, issued on Dec 31, 2013. An NPI identifies a provider in billing; it is not a license.
Where is David James Mackey, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 436-4949. Providers update this record themselves, so call before visiting.
How can I verify David James Mackey, PHYSICIAN ASSISTANT's license?
NPPES lists Colorado license number PA0003818, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does David James Mackey, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, David James Mackey, PHYSICIAN ASSISTANT had 87 Medicare Part D claims for 74 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.