Theresa L. O'Brien, PA
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 311
- MIPS score, 2024
- 89
- Hospital affiliations
- 4
- Industry payments
- $117
- Practice address
- 11650 W 2nd Pl, Lakewood, CO 80228
- Practice phone
- Call (720) 321-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Theresa O'Brien's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Theresa L. O'Brien is a surgical physician assistant in Lakewood, Colorado
Theresa O'Brien practices at OrthoColorado Hospital in Lakewood, Colorado, part of CommonSpirit Health.
Theresa O'Brien's NPI, 1740704980, was assigned on July 31, 2017. Theresa O'Brien holds Colorado license PA.0005941.
- NPI
- 1740704980NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719219427
- NPI enumeration date
- July 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (720) 321-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Theresa L. O'Brien practices at 2 locations in Lakewood, Colorado
Theresa O'Brien's primary practice is OrthoColorado Hospital, at 11650 W 2nd Pl, Lakewood, CO 80228 in Jefferson County. The practice phone is (720) 321-5000. Theresa O'Brien also practices at Orthocolorado Hospital, 11600 W 2nd Pl, Lakewood, CO 80228.
- OrthoColorado HospitalPrimary11650 W 2nd Pl, Lakewood, CO 80228 · Jefferson CountyPhone(720) 321-5000
- Orthocolorado Hospital11600 W 2nd Pl, Lakewood, CO 80228 · Jefferson CountyPhone(303) 629-3511
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Theresa L. O'Brien is affiliated with 6 sites of care and 2 medical groups
Theresa O'Brien's primary practice is OrthoColorado Hospital in Lakewood, Colorado, part of CommonSpirit Health. Theresa O'Brien is also affiliated with CommonSpirit - St. Anthony Hospital. The medical group on file is Cardiac & Thoracic Surgery Associates (CTSA). Dmand AI also links Theresa O'Brien to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Theresa L. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Theresa O'Brien practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OrthoColorado Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Theresa L. O'Brien is one of 601 surgical physician assistants in Colorado
Surgical is Theresa O'Brien's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Dmand AI has Theresa O'Brien's licenses on file in 2 states: Colorado and Wisconsin.
Specialties and state licenses
- Surgical physician assistant, ColoradoPrimary
- Wisconsin license
Surgical physician assistants near Theresa O'Brien
Counts of surgical physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Theresa L. O'Brien treated 115 Medicare patients in 2024, average age 72
CMS counts 115 Medicare patients who saw Theresa O'Brien in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Theresa O'Brien's median patient age at 67, with 55% women.
Theresa O'Brien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Theresa O'Brien's Medicare patients by sex, 2024
- Women6657%
- Men4943%
Chronic conditions among Theresa O'Brien's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure70%
- Mood disorders38%
- Depression34%
- Anxiety33%
- Ischemic heart disease31%
- Osteoporosis30%
Share of Medicare patients with each condition. A patient can have several.
Theresa O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Theresa L. O'Brien wrote 311 Medicare Part D claims in 2024
In 2024, Theresa O'Brien wrote 311 Medicare Part D claims for 114 patients. 99% of them were for generic drugs.
Theresa O'Brien's Part D claims by kind of drug, 2024
- Generic309 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in Theresa O'Brien's Part D claims, 2024
- Opioids36%111 of 311 claims
- Antibiotics4%13 of 311 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Theresa L. O'Brien scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Theresa O'Brien for performance year 2024, reported as part of a group. Theresa O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Theresa O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Theresa O'Brien's MIPS scores, performance year 2024
- 89of 100Final score
- 89.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Theresa L. O'Brien received $117 in industry payments in 2025
CMS Open Payments shows 4 general payments to Theresa O'Brien from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Orthofix Medical, Inc. paid the most, $72.
Companies that paid Theresa O'Brien the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Theresa L. O'Brien's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Theresa L. O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Theresa L. O'Brien's NPI number?
Theresa L. O'Brien's NPI number is 1740704980. It was assigned on July 31, 2017, and it is active in the NPI Registry.
What does Theresa L. O'Brien specialize in?
Theresa L. O'Brien is a surgical physician assistant in Lakewood, Colorado. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Theresa L. O'Brien practice?
Theresa O'Brien practices at 11650 W 2nd Pl, Lakewood, CO 80228. Theresa O'Brien also practices at 11600 W 2nd Pl, Lakewood, CO 80228. Theresa O'Brien's primary practice is OrthoColorado Hospital in Lakewood, Colorado, part of CommonSpirit Health. Dmand AI also links Theresa O'Brien to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Theresa L. O'Brien's office phone number?
The practice phone on file for Theresa O'Brien is (720) 321-5000.
What is Theresa L. O'Brien's medical license number?
Theresa O'Brien holds Colorado license PA.0005941, one of the licenses on file in 2 states.
Which states has Theresa L. O'Brien been licensed in?
Dmand AI has state licenses on file for Theresa O'Brien in Colorado and Wisconsin.
Which hospitals is Theresa L. O'Brien affiliated with?
Theresa O'Brien practices at OrthoColorado Hospital in Lakewood, Colorado. Theresa O'Brien is also affiliated with CommonSpirit - St. Anthony Hospital. Dmand AI links Theresa O'Brien to 2 more hospitals.
What medical group is Theresa L. O'Brien part of?
Theresa O'Brien is linked to Cardiac & Thoracic Surgery Associates (CTSA). Dmand AI links Theresa O'Brien to 1 more medical group.
Does Theresa L. O'Brien accept Medicare?
Yes. CMS lists Theresa O'Brien as accepting Medicare assignment.
Does Theresa L. O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Theresa O'Brien as offering telehealth services.
Show 4 more questionsShow fewer questions
What is Theresa L. O'Brien's MIPS score?
Theresa O'Brien's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Theresa L. O'Brien see?
CMS counts 115 Medicare patients who saw Theresa O'Brien in 2024, with an average age of 72.
Has Theresa L. O'Brien received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Theresa O'Brien from 2 companies from 2025 to 2025. The largest total came from Orthofix Medical, Inc.
How long has Theresa L. O'Brien been practicing?
Theresa O'Brien graduated from medical school in 2017, 9 years ago.
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