Robert John Callahan, M.D.
Emergency Medicine Physician · Springfield, OR
Robert John Callahan, M.D. is an emergency medicine physician with a practice address in Springfield, Oregon, and NPI 1235392366, issued on Jul 9, 2008. Check the license (Oregon MD154296, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert John Callahan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD154296 OR
R70582 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Riverbend Dr, Springfield, OR 97477
- Phone
- (541) 222-6929
- Enumerated
- Jul 9, 2008
- Record last updated
- Dec 20, 2024
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 3333 Riverbend Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Casey Aaby, PHARMDPharmacist1114735909
- Dominic Adams, PT, DPTPhysical Therapist1164231882
- Ana Maria Aguilar Messick, PHARMDPharmacist1922957323
- Jared Alexander, MDAnesthesiology Physician1265010102
- Kevin Allan, M.D.Emergency Medicine Physician1023549466
- Courtney ApkerFamily Nurse Practitioner1104363878
Verify Robert John Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD154296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average emergency medicine physician in 2024
262 Medicare Part D claims for 180 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 53 claims were for opioids.
Most prescribed
- Prednisone27 claims
- Hydrocodone-Acetaminophen21 claims
- Oxycodone Hcl21 claims
- Ondansetron Odt17 claims
- Amoxicillin-Clavulanate Potass16 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: $99.99
1 payment: education; the largest payer was Astellas Pharma US Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Robert John Callahan among 1,079 emergency medicine physician records in Oregon
Robert John Callahan, M.D. is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 emergency medicine physician records list a practice address in Springfield
They are 33 of the 2,209 NPPES records with a practice address in Springfield, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Springfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ann Bowers, MDSpringfield, OR 974771285658625
- Benjamin Bronicel, MDSpringfield, OR 974771093769929
- Robert Charles, MDSpringfield, OR 974771235292376
- Desmond Crooks, MDSpringfield, OR 974771306883871
- Lee Davidson, MDSpringfield, OR 974771780639385
- Elizabeth Hilton, MDSpringfield, OR 974771396838348
- Brian Hoyt, MDSpringfield, OR 974771154360071
- Gary JosephsenSpringfield, OR 974771770781809
Common questions
What is Robert John Callahan, M.D.'s NPI number?
Robert John Callahan, M.D.'s National Provider Identifier (NPI) is 1235392366, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Robert John Callahan, M.D. located?
The NPPES record lists a practice address at 3333 Riverbend Dr, Springfield, OR, 97477. Phone: (541) 222-6929. Providers update this record themselves, so call before visiting.
How can I verify Robert John Callahan, M.D.'s license?
NPPES lists Oregon license number MD154296, 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 Robert John Callahan, M.D. prescribe under Medicare Part D?
In 2024, Robert John Callahan, M.D. had 262 Medicare Part D claims for 180 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.