NPPES file of Aug 9, 2026

Jill Alison O'Brien, M.D.

Internal Medicine Physician · Providence, RI

Jill Alison O'Brien, M.D. is an internal medicine physician with a practice address in Providence, Rhode Island, and NPI 1881896629, issued on Jun 4, 2007. Check the license (Rhode Island MD13193, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881896629
Name
Jill Alison O'Brien
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD13193 RI
LP01180 RI
Self-reported in NPPES; status is on the state search
Practice location
164 Summit Ave, Providence, RI 02906
Phone
(401) 793-2104
Enumerated
Jun 4, 2007
Record last updated
Mar 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(401) 793-4741
Medicare enrollment
Enrolled (PECOS I20100805000123); may accept Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 164 Summit Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zainab AbbasiInternal Medicine Physician1154990125
  2. Curtis Abbott, P.A.-C.Surgical Physician Assistant1730358185
  3. Jennifer Adelson-Mitty, MDInfectious Disease Physician1700830924
  4. Rahul Aggarwal, MDInternal Medicine Physician1477286839
  5. Kristy Altongy-Magee, PA-CSurgical Physician Assistant1336334473
  6. Lisha AndrewRegistered Dietitian1164992558

Verify Jill Alison O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD13193
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Rhode Island license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

46 Medicare Part D claims for 27 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jill O'Brien46
  2. Specialty average3,176

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Lifespan Physician Group IncProvidence, RI
  2. Lifespan Physician Group OF Massachusetts IncTaunton, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jill Alison O'Brien among 1,033 internal medicine physician records in Rhode Island

Jill Alison O'Brien, M.D. is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 57% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2007 · median 2006 among the 590 with a school on file
  • Record last updated2012 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

511 internal medicine physician records list a practice address in Providence

They are 511 of the 9,647 NPPES records with a practice address in Providence, and 1,033 internal medicine physician records in Rhode Island.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nadeem Anis, MDProvidence, RI 029061275513442
  2. James Atkinson, MDProvidence, RI 029061003894825
  3. Geoffrey Berg, MDProvidence, RI 029061902804313
  4. Ehab Daoud, MDProvidence, RI 029061144208299
  5. Kwame Dapaah-Afriyie, MDProvidence, RI 029061053399105
  6. Oscar Glieberman, M.D.Providence, RI 029061477504637
  7. Mary Hohenhaus, MDProvidence, RI 029061164476370
  8. Jeanne Oliva, MDProvidence, RI 029061831146877

Common questions

What is Jill Alison O'Brien, M.D.'s NPI number?

Jill Alison O'Brien, M.D.'s National Provider Identifier (NPI) is 1881896629, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jill Alison O'Brien, M.D. located?

The NPPES record lists a practice address at 164 Summit Ave, Providence, RI, 02906. Phone: (401) 793-2104. Providers update this record themselves, so call before visiting.

How can I verify Jill Alison O'Brien, M.D.'s license?

NPPES lists Rhode Island license number MD13193, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jill Alison O'Brien, M.D. prescribe under Medicare Part D?

In 2024, Jill Alison O'Brien, M.D. had 46 Medicare Part D claims for 27 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.