Andrew L. Walshak
Emergency Medicine Physician · Thornton, CO
Andrew L. Walshak is an emergency medicine physician with a practice address in Thornton, Colorado, and NPI 1487662805, issued on Aug 3, 2006. Check the license (Colorado DR.0053309, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew L. Walshak
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DR.0053309 CO
039070 CT
Self-reported in NPPES; status is on the state search - Practice location
- 9191 Grant St., Thornton, CO 80229
- Phone
- (303) 450-4482
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid ID
- 18480543 CO
- Medicare enrollment
- Enrolled (PECOS I20140616000310); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1998
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 9191 Grant St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa AzerEmergency Medicine Physician1780669770
- Levente BatizyEmergency Medicine Physician1952356594
- Julianna Batizy-MorleyEmergency Medicine Physician1710953013
- Rebecca BlattGeneral Practice Physician1255530838
- Megan CrawfordPhysician Assistant1508958539
- Nicholas Dutton-SwainEmergency Medicine Physician1114154739
Verify Andrew L. Walshak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0053309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average emergency medicine physician in 2024
90 Medicare Part D claims for 50 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa14 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 one group practice
- Carepoint Emergency Medicine, PLLCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew L. Walshak among 1,434 emergency medicine physician records in Colorado
Andrew L. Walshak is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1998 · median 2011 among the 810 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 emergency medicine physician records list a practice address in Thornton
They are 28 of the 2,234 NPPES records with a practice address in Thornton, and 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Thornton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Melissa AzerThornton, CO 802291780669770
- Christopher BanniganThornton, CO 802291871616722
- Levente BatizyThornton, CO 802291952356594
- Julianna Batizy-MorleyThornton, CO 802291710953013
- Amanda CzuczmanThornton, CO 802291609066653
- Christine FlemingThornton, CO 802291174507115
- Kim FredericksenThornton, CO 802291528103843
- David FriedensonThornton, CO 802291427032465
Common questions
What is Andrew L. Walshak's NPI number?
Andrew L. Walshak's National Provider Identifier (NPI) is 1487662805, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew L. Walshak located?
The NPPES record lists a practice address at 9191 Grant St., Thornton, CO, 80229. Phone: (303) 450-4482. Providers update this record themselves, so call before visiting.
How can I verify Andrew L. Walshak's license?
NPPES lists Colorado license number DR.0053309, 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.
How much does Andrew L. Walshak prescribe under Medicare Part D?
In 2024, Andrew L. Walshak had 90 Medicare Part D claims for 50 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.