Timothy J. O'Mara, M.D.
Internal Medicine Physician · Wakefield, RI
Timothy J. O'Mara, M.D. is an internal medicine physician with a practice address in Wakefield, Rhode Island, and NPI 1205879608, issued on Jun 14, 2006. Check the license (Rhode Island MD08795, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Timothy J. O'Mara
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD08795 RI
Self-reported in NPPES; status is on the state search - Practice location
- 481 Kingstown RD, Wakefield, RI 02879
- Phone
- (401) 789-0283
- Enumerated
- Jun 14, 2006
- Record last updated
- Jul 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (401) 789-0314
- Medicaid ID
- TO21159 RI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 481 Kingstown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Barratt, M.D.Internal Medicine Physician1528007432
- Rikhi D'Souza, DOInternal Medicine Physician1215924063
- Nitin Damle, MDInternal Medicine Physician1457399388
- Heidi Dorris, M.D.Internal Medicine Physician1639175482
- Ulana Farmer, M.D.Internal Medicine Physician1114967585
- Letitia Horrigan, D.O.Internal Medicine Physician1760622617
Verify Timothy J. O'Mara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD08795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,336 Medicare Part D claims for 303 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril78 claims
- Atorvastatin Calcium70 claims
- Rosuvastatin Calcium62 claims
- Levothyroxine Sodium52 claims
- Amlodipine Besylate50 claims
- Famotidine45 claims
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.
Timothy J. O'Mara among 1,033 internal medicine physician records in Rhode Island
Timothy J. O'Mara, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 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).
30 internal medicine physician records list a practice address in Wakefield
They are 30 of the 556 NPPES records with a practice address in Wakefield, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Wakefield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Barratt, M.D.Wakefield, RI 028791528007432
- Kristine Cunniff, DOWakefield, RI 028791568400653
- Rikhi D'Souza, DOWakefield, RI 028791215924063
- Nitin Damle, MDWakefield, RI 028791457399388
- Heidi Dorris, M.D.Wakefield, RI 028791639175482
- Bruce Famiglietti, MDWakefield, RI 028791356389571
- Ulana Farmer, M.D.Wakefield, RI 028791114967585
- Shelly Johnson, MDSouth Kingstown, RI 028791528055191
Common questions
What is Timothy J. O'Mara, M.D.'s NPI number?
Timothy J. O'Mara, M.D.'s National Provider Identifier (NPI) is 1205879608, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy J. O'Mara, M.D. located?
The NPPES record lists a practice address at 481 Kingstown RD, Wakefield, RI, 02879. Phone: (401) 789-0283. Providers update this record themselves, so call before visiting.
How can I verify Timothy J. O'Mara, M.D.'s license?
NPPES lists Rhode Island license number MD08795, 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 Timothy J. O'Mara, M.D. prescribe under Medicare Part D?
In 2024, Timothy J. O'Mara, M.D. had 1,336 Medicare Part D claims for 303 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.