Dr. Erick Matthew O'Brien, DO
- Medicare services, 2024
- 159
- Medicare patients, 2024
- 113
- Part D claims, 2024
- 217
- Hospital affiliations
- 2
- Industry payments
- $142
- Practice address
- 7171 South 51st Avenue, Laveen, AZ 85339
- Practice phone
- Call (623) 584-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. 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.
Dr. Erick Matthew O'Brien is an emergency medicine physician in Laveen, Arizona
Dr. O'Brien practices at Dignity Health - Arizona General Hospital Laveen in Laveen, Arizona, part of CommonSpirit Health.
Dr. O'Brien's NPI, 1306232178, was assigned on April 8, 2015. Dr. O'Brien graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015. Dr. O'Brien holds Arizona license 007626.
- NPI
- 1306232178NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800140765
- NPI enumeration date
- April 8, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (623) 584-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erick Matthew O'Brien practices at Dignity Health - Arizona General Hospital Laveen in Laveen, Arizona
Dr. O'Brien's primary practice is Dignity Health - Arizona General Hospital Laveen, at 7171 South 51st Avenue, Laveen, AZ 85339 in Maricopa County. The practice phone is (623) 584-5100.
- Dignity Health - Arizona General Hospital Laveen7171 South 51st Avenue, Laveen, AZ 85339 · Maricopa CountyPhone(623) 584-5100
Source: Dmand AI Affiliation Data
Dr. Erick Matthew O'Brien is affiliated with 2 sites of care and 2 medical groups
Dr. O'Brien's primary practice is Dignity Health - Arizona General Hospital Laveen in Laveen, Arizona, part of CommonSpirit Health. Dr. O'Brien is also affiliated with Banner - University Medical Center Phoenix. The medical group on file is TEC Emergency Physicians of Arizona. Dmand AI also links Dr. O'Brien to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erick Matthew O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Arizona General Hospital Laveen | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erick Matthew O'Brien is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. O'Brien is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. O'Brien
Counts of emergency medicine physicians 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
Dr. Erick Matthew O'Brien billed Medicare for 159 services in 2024
CMS data shows 159 Medicare services from Dr. O'Brien across 4 procedure codes in 2024, for 113 Medicare patients. Medicare paid $13,290 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1172024: 1161%
- Tests and treatments
- 2023: 452024: 434%
Dr. O'Brien compared with the Arizona median for emergency medicine physicians, 2024
- Dr. O'Brien
- Arizona median
- Medicare services
- 159vs 21626% below
- Medicare patients
- 113vs 21046% below
- Part D claims
- 94vs 5088% above
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Brien and other emergency medicine physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erick Matthew O'Brien treated 113 Medicare patients in 2024, average age 69
CMS counts 113 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 43% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 36, with 57% women.
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women6961%
- Men4439%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Diabetes51%
- Arthritis47%
- Chronic kidney disease36%
- Anxiety33%
- Mood disorders31%
- Alcohol and drug use disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 36
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erick Matthew O'Brien wrote 217 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 217 Medicare Part D claims for 118 patients. 96% of them were for generic drugs. CMS names the drug for 94 of them, across 5 drugs with 11 or more claims each, at $711 in total drug cost. In 2023, CMS named 110 claims across 7 drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic208 claims96%
- Brand-name and other9 claims4%
Dr. O'Brien's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. O'Brien's Part D claims, 2024
- Antibiotics27%59 of 217 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1102024: 9415%
Drugs named by CMS: 5 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Erick Matthew O'Brien takes part in Medicare
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Erick Matthew O'Brien received $142 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. O'Brien from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $142.
Companies that paid Dr. O'Brien the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erick Matthew O'Brien graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. O'Brien graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Erick Matthew 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Erick Matthew 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 Dr. Erick Matthew O'Brien's NPI number?
Dr. Erick Matthew O'Brien's NPI number is 1306232178. It was assigned on April 8, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Erick Matthew O'Brien?
Dr. Erick Matthew O'Brien is an emergency medicine physician in Laveen, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Erick Matthew O'Brien practice?
Dr. O'Brien practices at 7171 South 51st Avenue, Laveen, AZ 85339. Dr. O'Brien's primary practice is Dignity Health - Arizona General Hospital Laveen in Laveen, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. O'Brien to 1 medical group.
What is Dr. Erick Matthew O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (623) 584-5100.
What is Dr. Erick Matthew O'Brien's medical license number?
Dr. O'Brien holds Arizona license 007626.
Which hospitals is Dr. Erick Matthew O'Brien affiliated with?
Dr. O'Brien practices at Dignity Health - Arizona General Hospital Laveen in Laveen, Arizona. Dr. O'Brien is also affiliated with Banner - University Medical Center Phoenix.
What medical group is Dr. Erick Matthew O'Brien part of?
Dr. O'Brien is linked to TEC Emergency Physicians of Arizona. Dmand AI links Dr. O'Brien to 1 more medical group.
Does Dr. Erick Matthew O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 159 services in 2024, and Dr. O'Brien accepts Medicare assignment.
How many Medicare patients does Dr. Erick Matthew O'Brien see?
CMS counts 113 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 69.
What services does Dr. Erick Matthew O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Erick Matthew O'Brien go to medical school?
Dr. O'Brien graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015.
What drugs does Dr. Erick Matthew O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Ondansetron ODT, Cephalexin and Naproxen.
Has Dr. Erick Matthew O'Brien received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Dr. O'Brien from 1 company from 2021 to 2021. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Erick Matthew O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2015, 11 years ago.
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