Andrew B. Ziller
Emergency Medicine Physician · Denver, CO
Andrew B. Ziller is an emergency medicine physician with a practice address in Denver, Colorado, and NPI 1528046638, issued on Jan 9, 2006. Check the license (Colorado DR.0029691, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Andrew B. Ziller
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DR.0029691 CO
29691 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4567 E. 9TH Avenue, Denver, CO 80220
- Phone
- (303) 320-2455
- Enumerated
- Jan 9, 2006
- Record last updated
- Jul 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid ID
- 01296912 CO
- Entity
- Type 1 · individual
Also registered at 4567 E. 9TH Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James BrewerEmergency Medicine Physician1467656942
- Tanna DonalsonPhysician Assistant1265678478
- Denise FlaspohlerPhysician Assistant1467482208
- Stephen HoffenbergEmergency Medicine Physician1598748667
- Michael HorowitzEmergency Medicine Physician1952379646
- Donald LefkowitsEmergency Medicine Physician1487630380
Verify Andrew B. Ziller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0029691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other emergency medicine physician records in Colorado
- Steven AaronsonDenver, CO1326081951
- Lauren AbbateAurora, CO1255624276
- Jean Abbott, MDAurora, CO1578672820
- Kalen AbbottAurora, CO1174899314
- William Abbott, M.D.Aurora, CO1013992361
- Charles Abramson, D.O.Glenwood Springs, CO1932335023
- Alan Adams, MDSalida, CO1912972365
- Bruce Adams, M.D.Denver, CO1407946197
- Sabrina Adams, M.D.Denver, CO1174822373
- Erik Adler, M.D.Denver, CO1699909739
Common questions
What is Andrew B. Ziller's NPI number?
Andrew B. Ziller's National Provider Identifier (NPI) is 1528046638, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew B. Ziller located?
The NPPES record lists a practice address at 4567 E. 9TH Avenue, Denver, CO, 80220. Phone: (303) 320-2455. Providers update this record themselves, so call before visiting.
How can I verify Andrew B. Ziller's license?
NPPES lists Colorado license number DR.0029691, 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. 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.