Tim S. Caldwell, M.D.
Diagnostic Radiology Physician · Tulsa, OK
Tim S. Caldwell, M.D. is a diagnostic radiology physician with a practice address in Tulsa, Oklahoma, and NPI 1992792501, issued on Sep 29, 2005. Check the license (Oklahoma 8981, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Tim S. Caldwell
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 8981 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4111 S Darlington Ave, Tulsa, OK 74135
- Phone
- (918) 743-8838
- Enumerated
- Sep 29, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (918) 743-9058
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 404 in Oklahoma → Look up another NPI →
Also registered at 4111 S Darlington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Carstens, M.D.Diagnostic Radiology Physician1457334252
- Vicki Chain, D.O.Diagnostic Radiology Physician1316920697
- Michael Cole, D.O.Diagnostic Radiology Physician1124001490
- Tom Gresham, P.A.Physician Assistant1952384232
- Ronald Krieger, M.D.Diagnostic Radiology Physician1588651186
- Connie Lane, MDInternal Medicine Physician1457454043
Verify Tim S. Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 8981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $178.13
2 payments; by number, the most common kind was food and beverage; the largest payer was Menarini Silicon Biosystems, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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.
Tim S. Caldwell among 404 diagnostic radiology physician records in Oklahoma
Tim S. Caldwell, M.D. is one of 404 diagnostic radiology physician records with a practice address in Oklahoma. 71% 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, 77% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Oklahoma
There are 404 diagnostic radiology physician records in Oklahoma.
All 404 in Oklahoma → Every provider in Tulsa → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Tate Allen, M.D.Tulsa, OK 741351558358168
- Michael Clouser, M.D.Tulsa, OK 741351801883400
- David Harris, M.D.Tulsa, OK 741351124015581
- Kim Hauger, M.D.Tulsa, OK 741351003803602
- John Jennings, M.D.Tulsa, OK 741351477540839
- Anne Kozlowski, D.O.Tulsa, OK 741351649251398
- Ronald Krieger, M.D.Tulsa, OK 741351588651186
- David Schwarz, M.D.Tulsa, OK 741351174504831
Common questions
What is Tim S. Caldwell, M.D.'s NPI number?
Tim S. Caldwell, M.D.'s National Provider Identifier (NPI) is 1992792501, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Tim S. Caldwell, M.D. located?
The NPPES record lists a practice address at 4111 S Darlington Ave, Tulsa, OK, 74135. Phone: (918) 743-8838. Providers update this record themselves, so call before visiting.
How can I verify Tim S. Caldwell, M.D.'s license?
NPPES lists Oklahoma license number 8981, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.