Dr. Shawn D. O'Brien, MD

  • Richland Center, WI
  • Emergency medicine physician
NPI1376526541
Medicare services, 2018
13
Part D claims, 2024
214
Hospital affiliations
2
Industry payments
$52
Medical groups
3
Practice address
333 E Second St, Richland Center, WI 53581
Practice phone
Call (608) 647-6321
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

The Richland Hospital and Clinics

Hospital · Richland Center, Wisconsin

See all 5 affiliations

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.

View contacts for free

Dr. Shawn D. O'Brien is an emergency medicine physician in Richland Center, Wisconsin

Dr. O'Brien practices at The Richland Hospital and Clinics in Richland Center, Wisconsin, part of The Richland Hospital.

Dr. O'Brien's NPI, 1376526541, was assigned on November 22, 2005. Dr. O'Brien graduated from Medical College of Wisconsin in 1995. Dr. O'Brien holds Wisconsin license 38082.

NPI and contact details
NPI enumeration date
November 22, 2005
NPI status
Active
Practice phone
(608) 647-6321
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Shawn D. O'Brien practices at The Richland Hospital and Clinics in Richland Center, Wisconsin

Dr. O'Brien's primary practice is The Richland Hospital and Clinics, at 333 E Second St, Richland Center, WI 53581 in Richland County. The practice phone is (608) 647-6321.

Source: Dmand AI Affiliation Data

Dr. Shawn D. O'Brien is affiliated with 2 sites of care and 3 medical groups

Dr. O'Brien's primary practice is The Richland Hospital and Clinics in Richland Center, Wisconsin, part of The Richland Hospital. Dr. O'Brien is also affiliated with SSM Health St. Mary's Hospital - Madison. The medical group on file is The Richland Hospital and Clinics. Dmand AI also links Dr. O'Brien to 2 more medical groups, each named with a free account. Dr. O'Brien's employer is on file too: a hospital.

See all 5 affiliations for Dr. O'Brien

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Shawn D. 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.

EHR by site
SiteEHR vendor and product
The Richland Hospital and ClinicsAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. O'Brien practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across The Richland Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Shawn D. O'Brien is one of 1,211 emergency medicine physicians in Wisconsin

Emergency medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. O'Brien is licensed in Wisconsin.

Specialties and state licenses

  • Emergency medicine, WisconsinPrimaryLicense 38082 · taxonomy 207P00000X

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. Shawn D. O'Brien billed Medicare for 13 services in 2018

CMS data shows 13 Medicare services from Dr. O'Brien across 1 procedure code in 2018. Medicare paid $979 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201813
Paid by Medicare$979
Procedure codes1

Dr. O'Brien's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 332018: 1361%

Dr. O'Brien compared with the Wisconsin median for emergency medicine physicians, 2018

  • Dr. O'Brien
  • Wisconsin median
Medicare services
13vs 24695% below
Part D claims
115vs 572.0 times

Medians across 1,249 emergency medicine physicians in Wisconsin with Dmand AI profiles that report each measure.

Dr. O'Brien's most billed Medicare procedure codes, 2018

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. O'Brien

Need commercial claims for Dr. O'Brien?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Brien and other emergency medicine physicians in Wisconsin.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Shawn D. O'Brien's patients have a median age of 51

Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 51, with 56% women.

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 51

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

Dr. Shawn D. O'Brien wrote 214 Medicare Part D claims in 2024

In 2024, Dr. O'Brien wrote 214 Medicare Part D claims for 146 patients. 95% of them were for generic drugs. CMS names the drug for 115 of them, across 6 drugs with 11 or more claims each, at $821 in total drug cost. In 2023, CMS named 115 claims across 6 drugs.

Part D claims, 2024214
Drugs named by CMS6
Total drug cost$821
Part D patients146

Dr. O'Brien's Part D claims by kind of drug, 2024

  • Generic203 claims95%
  • Brand-name11 claims5%

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

  • Opioids21%46 of 214 claims
  • Antibiotics30%64 of 214 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: 1152024: 115No change

Drugs named by CMS: 6 in 2024, 6 in 2023.

See all prescribing by Dr. O'Brien

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

For MedTech and pharma teams

Find emergency medicine physicians like Dr. O'Brien by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Shawn D. O'Brien received $52 in industry payments in 2016

CMS Open Payments shows 3 general payments to Dr. O'Brien from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $52.

Companies that paid Dr. O'Brien the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. O'Brien

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Shawn D. O'Brien graduated from Medical College of Wisconsin

Dr. O'Brien graduated from Medical College of Wisconsin in 1995.

  1. Medical schoolMedical College of Wisconsin

Source: Dmand AI Professional Profile Data

Sources for Dr. Shawn D. O'Brien's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Shawn D. 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. Shawn D. O'Brien's NPI number?

Dr. Shawn D. O'Brien's NPI number is 1376526541. It was assigned on November 22, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Shawn D. O'Brien?

Dr. Shawn D. O'Brien is an emergency medicine physician in Richland Center, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Shawn D. O'Brien practice?

Dr. O'Brien practices at 333 E Second St, Richland Center, WI 53581. Dr. O'Brien's primary practice is The Richland Hospital and Clinics in Richland Center, Wisconsin, part of The Richland Hospital. Dmand AI also links Dr. O'Brien to 2 medical groups.

What is Dr. Shawn D. O'Brien's office phone number?

The practice phone on file for Dr. O'Brien is (608) 647-6321.

What is Dr. Shawn D. O'Brien's medical license number?

Dr. O'Brien holds Wisconsin license 38082.

Which hospitals is Dr. Shawn D. O'Brien affiliated with?

Dr. O'Brien practices at The Richland Hospital and Clinics in Richland Center, Wisconsin. Dr. O'Brien is also affiliated with SSM Health St. Mary's Hospital - Madison.

What medical group is Dr. Shawn D. O'Brien part of?

Dr. O'Brien is linked to The Richland Hospital and Clinics. Dmand AI links Dr. O'Brien to 2 more medical groups.

Does Dr. Shawn D. O'Brien accept Medicare?

Yes. CMS data shows Dr. O'Brien billed Medicare for 13 services in 2018.

What services does Dr. Shawn D. O'Brien bill to Medicare?

In 2018, Dr. O'Brien's most billed Medicare services were emergency department visit (99284).

Where did Dr. Shawn D. O'Brien go to medical school?

Dr. O'Brien graduated from Medical College of Wisconsin in 1995.

Show 3 more questionsShow fewer questions

What drugs does Dr. Shawn D. O'Brien prescribe most?

In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Prednisone.

Has Dr. Shawn D. O'Brien received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Dr. O'Brien from 1 company from 2016 to 2016. The largest total came from Allergan Inc.

How long has Dr. Shawn D. O'Brien been practicing?

Dr. O'Brien graduated from medical school in 1995, 31 years ago.

Selling to emergency medicine practices?

See emergency medicine physicians in Wisconsin by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)