John Thomas Callahan, D.P.M.
Podiatrist · Salem, OR
John Thomas Callahan, D.P.M. is a podiatrist with a practice address in Salem, Oregon, and NPI 1861496804, issued on Jun 8, 2005. Check the license (Oregon DP00297, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Thomas Callahan
- Credential
- D.P.M.
- Primary taxonomy
- Podiatrist 213E00000X
- License number
- DP00297 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2235 Mission St SE, Salem, OR 97302
- Phone
- (503) 581-2505
- Enumerated
- Jun 8, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (503) 581-2515
- Medicaid ID
- 138101 OR
- Medicare enrollment
- Enrolled (PECOS I20040701000215); accepts Medicare assignment
- Medical or professional school
- California School Of Podiatric Medicine, 1997
- Entity
- Type 1 · individual
8 nearest podiatrist records → All 112 in Oregon → Look up another NPI →
Also registered at 2235 Mission St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rodney Janssen, D.D.S.General Practice Dentistry1184728644
Verify John Thomas Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license DP00297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% more Medicare Part D claims than the average podiatrist in 2024
627 Medicare Part D claims for 230 beneficiaries, against an average of 314 among the 6,407 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 38 claims were for opioids.
Most prescribed
- Pregabalin175 claims
- Amoxicillin-Clavulanate Potass53 claims
- Gabapentin52 claims
- Terbinafine Hcl52 claims
- Meloxicam44 claims
- Oxycodone Hcl36 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.
Industry payments in 2024: $13.69
1 payment: food and beverage; the largest payer was Djo, LLC. The 4,596 providers of this specialty with any payment received $2,476.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Thomas Callahan among 112 podiatrist records in Oregon
John Thomas Callahan, D.P.M. is one of 112 podiatrist records with a practice address in Oregon. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1997 · median 1999 among the 72 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Podiatrist providers in Oregon
There are 112 podiatrist records in Oregon.
All 112 in Oregon → Every provider in Salem → Podiatrist nationwide →
The 8 podiatrist records with the nearest ZIP codes
- Hamid Arabshahi, DPMSalem, OR 973021699879056
- Daniel Campbell, DPMSalem, OR 973021427131135
- Debra Lynch, DPMKeizer, OR 973031982870382
- Robert Stevens, D.P.M.Keizer, OR 973031114927910
- Ryan Huntsman, D.P.M.Salem, OR 973061609281534
- Michael Weindorf, DPMSalem, OR 973061356838825
- Scott Rasmussen, D.P.M.Albany, OR 973211548571136
- Lisa Cornelius, DPMCorvallis, OR 973301174525992
Common questions
What is John Thomas Callahan, D.P.M.'s NPI number?
John Thomas Callahan, D.P.M.'s National Provider Identifier (NPI) is 1861496804, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Callahan, D.P.M. located?
The NPPES record lists a practice address at 2235 Mission St SE, Salem, OR, 97302. Phone: (503) 581-2505. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Callahan, D.P.M.'s license?
NPPES lists Oregon license number DP00297, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John Thomas Callahan, D.P.M. prescribe under Medicare Part D?
In 2024, John Thomas Callahan, D.P.M. had 627 Medicare Part D claims for 230 beneficiaries; the average among podiatrist prescribers was 314. 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.