Thomas M. Kennefick, MD
Nephrology Physician · Portland, OR
Thomas M. Kennefick, MD is a nephrology physician with a practice address in Portland, Oregon, and NPI 1639148737, issued on Mar 14, 2006. Check the license (Oregon MD16837, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas M. Kennefick
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD16837 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9155 SW Barnes RD Ste 402, Portland, OR 97225
- Phone
- (503) 292-7704
- Enumerated
- Mar 14, 2006
- Record last updated
- Jul 12, 2023
- Fax
- (503) 292-7046
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 136 in Oregon → Look up another NPI →
Also registered at 9155 SW Barnes RD Ste 402
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitchell Hawkey, MDNephrology Physician1144298209
- Amber Hertz-Tang, MDNephrology Physician1750700076
- Nicole Kemper, MDNephrology Physician1326251828
- Jean Mathew, MDNephrology Physician1497730808
- Chloe Porter, PACMedical Physician Assistant1972168045
- Kathleen Towsey, PA-CMedical Physician Assistant1467750646
Verify Thomas M. Kennefick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD16837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average nephrology physician in 2024
278 Medicare Part D claims for 81 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Carvedilol27 claims
- Hydralazine Hcl21 claims
- Nifedipine Er21 claims
- Prednisone16 claims
- Amlodipine Besylate13 claims
- Tamsulosin Hcl13 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.
Thomas M. Kennefick among 136 nephrology physician records in Oregon
Thomas M. Kennefick, MD is one of 136 nephrology physician records with a practice address in Oregon. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Oregon
There are 136 nephrology physician records in Oregon.
All 136 in Oregon → Every provider in Portland → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Karen Douek, MDPortland, OR 972251952370041
- Amy Hackett, MDPortland, OR 972251851468466
- Mitchell Hawkey, MDPortland, OR 972251144298209
- Amber Hertz-Tang, MDPortland, OR 972251750700076
- Nicole Kemper, MDPortland, OR 972251326251828
- Jean Mathew, MDPortland, OR 972251497730808
- Fareha Nawaz, MDPortland, OR 972251770702839
- Firas Khoury, MDTigard, OR 972241013933480
Common questions
What is Thomas M. Kennefick, MD's NPI number?
Thomas M. Kennefick, MD's National Provider Identifier (NPI) is 1639148737, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas M. Kennefick, MD located?
The NPPES record lists a practice address at 9155 SW Barnes RD Ste 402, Portland, OR, 97225. Phone: (503) 292-7704. Providers update this record themselves, so call before visiting.
How can I verify Thomas M. Kennefick, MD's license?
NPPES lists Oregon license number MD16837, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas M. Kennefick, MD prescribe under Medicare Part D?
In 2024, Thomas M. Kennefick, MD had 278 Medicare Part D claims for 81 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.