J Michael Caldwell, MD
Internal Medicine Physician · Missoula, MT
J Michael Caldwell, MD is an internal medicine physician with a practice address in Missoula, Montana, and NPI 1518911924, issued on May 20, 2006. Check the license (Montana 8009, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- J Michael Caldwell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 8009 MT
Self-reported in NPPES; status is on the state search - Practice location
- 500 West Broadway, Missoula, MT 59802
- Phone
- (406) 327-1900
- Enumerated
- May 20, 2006
- Record last updated
- May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (406) 327-1927
- Medicaid ID
- 0019019 MT
- Medicare enrollment
- Enrolled (PECOS I20100115000763); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 324 in Montana → Look up another NPI →
Also registered at 500 West Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elaine Carmichael, PTPhysical Therapist1952342941
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- Ann Corsi, MDRheumatology Physician1568418630
- Carla Cox, PHD RD CDERegistered Dietitian1750324059
Verify J Michael Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 8009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.6 times the Medicare Part D claims of the average internal medicine physician in 2024
14,455 Medicare Part D claims for 983 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 503 claims were for opioids.
Most prescribed
- Atorvastatin Calcium988 claims
- Lisinopril709 claims
- Omeprazole528 claims
- Losartan Potassium526 claims
- Levothyroxine Sodium518 claims
- Amlodipine Besylate498 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: $98.95
1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Providence Health And Services MtMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
J Michael Caldwell among 324 internal medicine physician records in Montana
J Michael Caldwell, MD is one of 324 internal medicine physician records with a practice address in Montana. 72% 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, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1993 · median 2006 among the 191 with a school on file
- Record last updated2021 · 52% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Missoula
They are 47 of the 3,567 NPPES records with a practice address in Missoula, and 324 internal medicine physician records in Montana.
All 324 in Montana → Every provider in Missoula → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Curtis, MDMissoula, MT 598021447291109
- Mark Dalton, D.O.Missoula, MT 598021093782138
- Kasey Harbine, MDMissoula, MT 598021598717563
- Hugh Hughson, MDMissoula, MT 598021528012937
- Mary Langenderfer, MDMissoula, MT 598021871548537
- Lisa Milch, M.D.Missoula, MT 598021679527105
- Anne Murphy, MDMissoula, MT 598021124074232
- Mary Quandt, MDMissoula, MT 598021487695607
Common questions
What is J Michael Caldwell, MD's NPI number?
J Michael Caldwell, MD's National Provider Identifier (NPI) is 1518911924, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is J Michael Caldwell, MD located?
The NPPES record lists a practice address at 500 West Broadway, Missoula, MT, 59802. Phone: (406) 327-1900. Providers update this record themselves, so call before visiting.
How can I verify J Michael Caldwell, MD's license?
NPPES lists Montana license number 8009, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does J Michael Caldwell, MD prescribe under Medicare Part D?
In 2024, J Michael Caldwell, MD had 14,455 Medicare Part D claims for 983 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.