Theresa L. O'Brien, PA
Surgical Physician Assistant · Lakewood, CO
Theresa L. O'Brien, PA is a surgical physician assistant with a practice address in Lakewood, Colorado, and NPI 1740704980, issued on Jul 31, 2017. Check the license (Colorado PA.0005941, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa L. O'Brien
- Credential
- PA
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License numbers
- PA.0005941 CO
409923 WI
Self-reported in NPPES; status is on the state search - Practice location
- 11750 W 2ND PL Ste 255, Lakewood, CO 80228
- Phone
- (303) 643-4117
- Enumerated
- Jul 31, 2017
- Record last updated
- Feb 9, 2026
- Fax
- (720) 321-8041
- Medicare enrollment
- Enrolled (PECOS I20191030001674); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 699 in Colorado → Look up another NPI →
Also registered at 11750 W 2ND PL Ste 255
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randall Allison, M.D.Neurological Surgery Physician1245627835
- Shaheryar Ansari, M.D.Neurological Surgery Physician1659646917
- Nicholas Boyce, PA-CSurgical Physician Assistant1205612595
- Deana Cairo, PAMedical Physician Assistant1518524461
- Chelsea Carruthers, PHYSICIAN ASSISTANTSurgical Physician Assistant1588148985
- Brian Chong, M.D.Diagnostic Radiology Physician1508840018
Verify Theresa L. O'Brien 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.0005941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average surgical physician assistant in 2024
311 Medicare Part D claims for 114 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 111 claims were for opioids.
Most prescribed
- Oxycodone Hcl87 claims
- Cyclobenzaprine Hcl50 claims
- Gabapentin38 claims
- Celecoxib32 claims
- Methylprednisolone32 claims
- Tramadol Hcl11 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): 88.2 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).
Industry payments in 2024: $34.41
2 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Catholic Health Initiatives ColoradoLakewood, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa L. O'Brien among 699 surgical physician assistant records in Colorado
Theresa L. O'Brien, PA is one of 699 surgical physician assistant records with a practice address in Colorado. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 62% of them.
- NPI issued2017 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2017 · median 2015 among the 511 with a school on file
- Record last updated2026 · 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 363AS0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Colorado
There are 699 surgical physician assistant records in Colorado.
All 699 in Colorado → Every provider in Lakewood → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Christine Birchem, PHYSICAN ASSISTANTLakewood, CO 802281306155957
- Nicholas Boyce, PA-CLakewood, CO 802281205612595
- Chelsea Carruthers, PHYSICIAN ASSISTANTLakewood, CO 802281588148985
- Joshua CrossLakewood, CO 802281043375959
- Kathryn Davis, PA-CLakewood, CO 802281992272793
- Jonathan Degner, PA-CLakewood, CO 802281154604452
- Alexandra Hensley, PA-CLakewood, CO 802281487319364
- Laura Hower, PA-CLakewood, CO 802281699081661
Common questions
What is Theresa L. O'Brien, PA's NPI number?
Theresa L. O'Brien, PA's National Provider Identifier (NPI) is 1740704980, issued on Jul 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Theresa L. O'Brien, PA located?
The NPPES record lists a practice address at 11750 W 2ND PL Ste 255, Lakewood, CO, 80228. Phone: (303) 643-4117. Providers update this record themselves, so call before visiting.
How can I verify Theresa L. O'Brien, PA's license?
NPPES lists Colorado license number PA.0005941, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa L. O'Brien, PA prescribe under Medicare Part D?
In 2024, Theresa L. O'Brien, PA had 311 Medicare Part D claims for 114 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Theresa L. O'Brien, PA's MIPS final score?
The 2023 MIPS final score is 88.2 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.