Dr. Jennifer A. O'Brien, MD
- Medicare services, 2024
- 354
- Medicare patients, 2024
- 166
- Part D claims, 2024
- 31
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 164 Summit Avenue, Providence, RI 02906
- Practice phone
- Call (401) 793-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Jennifer A. O'Brien is an internist in Providence, Rhode Island
Dr. O'Brien practices at The Miriam Hospital in Providence, Rhode Island, part of Brown University Health.
Dr. O'Brien's NPI, 1841583093, was assigned on May 20, 2011. Dr. O'Brien graduated from Warren Alpert Medical School of Brown University in 2011. Dr. O'Brien holds Rhode Island license 14605.
- NPI
- 1841583093NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476770975
- NPI enumeration date
- May 20, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (401) 793-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer A. O'Brien practices at The Miriam Hospital in Providence, Rhode Island
Dr. O'Brien's primary practice is The Miriam Hospital, at 164 Summit Avenue, Providence, RI 02906 in Providence County. The practice phone is (401) 793-2500.
- The Miriam Hospital164 Summit Avenue, Providence, RI 02906 · Providence CountyPhone(401) 793-2500
Source: Dmand AI Affiliation Data
Dr. Jennifer A. O'Brien is affiliated with 1 site of care and 1 medical group
Dr. O'Brien's primary practice is The Miriam Hospital in Providence, Rhode Island, part of Brown University Health. The medical group on file is Brown Health Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer A. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Miriam Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer A. O'Brien is one of 805 internists in Rhode Island
Internal medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Brien is licensed in Rhode Island.
Specialties and state licenses
- Internal medicine, Rhode IslandPrimary
Internists near Dr. O'Brien
Counts of internists 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. Jennifer A. O'Brien billed Medicare for 354 services in 2024
CMS data shows 354 Medicare services from Dr. O'Brien across 5 procedure codes in 2024, for 166 Medicare patients. Medicare paid $30,193 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: 3762024: 3546%
Dr. O'Brien compared with the Rhode Island median for internists, 2024
- Dr. O'Brien
- Rhode Island median
- Medicare services
- 354vs 342Close to median
- Medicare patients
- 166vs 14514% above
Medians across 772 internists in Rhode Island 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 internists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer A. O'Brien treated 166 Medicare patients in 2024, average age 78
CMS counts 166 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.41, 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 74, with 47% women.
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women7948%
- Men8752%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Chronic kidney disease60%
- Ischemic heart disease56%
- Heart failure54%
- Anxiety51%
- Diabetes47%
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 74
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer A. O'Brien wrote 31 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 31 Medicare Part D claims for 15 patients. 71% of them were for generic drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic22 claims71%
- Brand-name and other9 claims29%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Jennifer A. 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. Jennifer A. O'Brien graduated from Warren Alpert Medical School of Brown University
Dr. O'Brien graduated from Warren Alpert Medical School of Brown University in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jennifer A. 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 (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) |
| 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. Jennifer A. 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. Jennifer A. O'Brien's NPI number?
Dr. Jennifer A. O'Brien's NPI number is 1841583093. It was assigned on May 20, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer A. O'Brien?
Dr. Jennifer A. O'Brien is an internist in Providence, Rhode Island. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jennifer A. O'Brien practice?
Dr. O'Brien practices at 164 Summit Avenue, Providence, RI 02906. Dr. O'Brien's primary practice is The Miriam Hospital in Providence, Rhode Island, part of Brown University Health.
What is Dr. Jennifer A. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (401) 793-2500.
What is Dr. Jennifer A. O'Brien's medical license number?
Dr. O'Brien holds Rhode Island license 14605.
Which hospitals is Dr. Jennifer A. O'Brien affiliated with?
Dr. O'Brien practices at The Miriam Hospital in Providence, Rhode Island.
What medical group is Dr. Jennifer A. O'Brien part of?
Dr. O'Brien is linked to Brown Health Medical Group.
Does Dr. Jennifer A. O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 354 services in 2024, and Dr. O'Brien accepts Medicare assignment.
How many Medicare patients does Dr. Jennifer A. O'Brien see?
CMS counts 166 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 78.
What services does Dr. Jennifer A. O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Jennifer A. O'Brien go to medical school?
Dr. O'Brien graduated from Warren Alpert Medical School of Brown University in 2011.
How long has Dr. Jennifer A. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2011, 15 years ago.
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