Tara Ann Hallahan
Emergency Medicine Physician · Fort Collins, CO
Tara Ann Hallahan is an emergency medicine physician with a practice address in Fort Collins, Colorado, and NPI 1508849514, issued on Nov 23, 2005. Check the license (Colorado 44750, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tara Ann Hallahan
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 44750 CO
5101014849 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1024 S Lemay Ave, Fort Collins, CO 80524
- Phone
- (303) 306-7783
- Enumerated
- Nov 23, 2005
- Record last updated
- May 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid IDs
- 80550070 CO
125166000 WY - Entity
- Type 1 · individual
Also registered at 1024 S Lemay Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Everett AustinEmergency Medicine Physician1548503758
- Alvis Ayaba-Apawu, M.A., PHD. LPC.LAC.Professional Counselor1154553691
Verify Tara Ann Hallahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 44750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average emergency medicine physician in 2024
115 Medicare Part D claims for 76 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Ondansetron Odt17 claims
- Doxycycline Hyclate13 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).
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado.
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 Tara Ann Hallahan's NPI number?
Tara Ann Hallahan's National Provider Identifier (NPI) is 1508849514, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Tara Ann Hallahan located?
The NPPES record lists a practice address at 1024 S Lemay Ave, Fort Collins, CO, 80524. Phone: (303) 306-7783. Providers update this record themselves, so call before visiting.
How can I verify Tara Ann Hallahan's license?
NPPES lists Colorado license number 44750, 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 Tara Ann Hallahan prescribe under Medicare Part D?
In 2024, Tara Ann Hallahan had 115 Medicare Part D claims for 76 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Tara Ann Hallahan'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.