Alexander Theiler
Physician Assistant · Fort Collins, CO
Alexander Theiler is a physician assistant with a practice address in Fort Collins, Colorado, and NPI 1447691803, issued on Jul 15, 2013. Check the license (Colorado PA.0004638, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexander Theiler
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA.0004638 CO
085004702 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1024 S Lemay Ave, Fort Collins, CO 80524
- Phone
- (970) 495-7000
- Enumerated
- Jul 15, 2013
- Record last updated
- Jun 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicare enrollment
- Enrolled (PECOS I20160707001987); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 1024 S Lemay Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Alderfer, MDDiagnostic Radiology Physician1043534654
- Guy Alexander, MDDiagnostic Radiology Physician1083989362
- Michael ApostleEmergency Medicine Physician1952326407
- Carlos ArguellesEmergency Medicine Physician1417962960
- Everett AustinEmergency Medicine Physician1548503758
- Alvis Ayaba-Apawu, M.A., PHD. LPC.LAC.Professional Counselor1154553691
Verify Alexander Theiler 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.0004638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
161 Medicare Part D claims for 106 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Methylprednisolone20 claims
- Cephalexin17 claims
- Hydrocodone-Acetaminophen17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Emergency Physicians OF The Rockies, PCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Theiler among 3,767 physician assistant records in Colorado
Alexander Theiler 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 updated2016 · 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).
187 physician assistant records list a practice address in Fort Collins
They are 187 of the 6,928 NPPES records with a practice address in Fort Collins, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Fort Collins → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Dennis BrantFort Collins, CO 805241487659181
- Cynthia BrownFort Collins, CO 805241245262518
- Paul Brusaschetti, P.A.Fort Collins, CO 805241932137411
- Lora Bureau, PAFort Collins, CO 805241336113307
- Heather FreemanFort Collins, CO 805241023120219
- Joseph HamelFort Collins, CO 805241457382301
- Pamela Harrold, P.A.Fort Collins, CO 805241366548851
- Paige HobbsFort Collins, CO 805241811968266
Common questions
What is Alexander Theiler's NPI number?
Alexander Theiler's National Provider Identifier (NPI) is 1447691803, issued on Jul 15, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Theiler located?
The NPPES record lists a practice address at 1024 S Lemay Ave, Fort Collins, CO, 80524. Phone: (970) 495-7000. Providers update this record themselves, so call before visiting.
How can I verify Alexander Theiler's license?
NPPES lists Colorado license number PA.0004638, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Alexander Theiler prescribe under Medicare Part D?
In 2024, Alexander Theiler had 161 Medicare Part D claims for 106 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Alexander Theiler's MIPS final score?
The 2023 MIPS final score is 88.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.