THERESA L O'BRIEN PA
NPI 1740704980
Physician Assistant - Surgical in Lakewood, CO

Q: What is Theresa O'brien's NPI number?

The NPI number for Theresa O'brien is 1740704980. It was assigned to this individual provider in the NPPES registry on July 31, 2017.

Q: What is Theresa O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Theresa O'brien was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 31, 2017PECOS EnrolledAccepts Medicare Assignment

88.22/100

CMS Quality Rating

11750 W 2ND PL STE 255, LAKEWOOD, CO 80228(303) 643-4117(720) 321-8041 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 16, 2019, Sep 11, 2019, Jul 31, 2017 (3 updates tracked since 2017).

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About Theresa L O'brien Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THERESA L O'BRIEN PA (NPI 1740704980) is an individual surgical provider in Lakewood, Colorado, licensed in Colorado (PA.0005941) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1740704980

Entity TypeIndividualFemale

Primary Taxonomy363AS0400X

Provider Legal NameTHERESA L O'BRIENCredential: PA

Location Address11750 W 2ND PL STE 255Lakewood, CO 80228-1726

Mailing AddressPo Box 5693Denver, CO 80217-5693 · (303) 306-7783 · Fax (303) 306-7753

Phone(303) 643-4117

Fax(720) 321-8041

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateJuly 31, 2017

Last NPPES UpdateFebruary 9, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 9, 2026

✔ NPI 1740704980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in CO · PA.0005941

Also ListedPhysician AssistantTaxonomy 363A00000X · License PA.0005941 (CO), 409923 (WI)

11750 W 2ND PL STE 255, Lakewood, CO 80228

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Secondary Practice Locations 2

Location 17780 S Broadway Ste 350Littleton, CO 80122-2641 · Phone (720) 638-7500 · Fax (720) 583-6770

Location 22900 W Oklahoma AveMilwaukee, WI 53215-4330 · Phone (608) 347-1972

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Theresa L O'brien Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719219427

PECOS Enrollment IDI20191030001674

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

47 services38 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

28 services27 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

25 services25 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

23 services12 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

14 services11 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.22/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.96

Promoting Interoperability

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$64.45 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GARKIE ZHU PA

Physician Assistant (Surgical)