J Caldwell, MD
NPI 1518911924 · Internal Medicine Physician · Missoula, MT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
J Caldwell, MD is a Internal Medicine Physician provider in Missoula, MT (NPI 1518911924).
Provider details
- NPI number
- 1518911924
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 8009 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,118 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,201 | $92 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 672 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 572 | $73 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 231 | $9 |
| Administration of Influenza Virus VaccineG0008 | 202 | $32 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 988 | 260 |
| Lisinopril | 709 | 188 |
| Omeprazole | 528 | 141 |
| Losartan Potassium | 526 | 139 |
| Levothyroxine Sodium | 518 | 129 |
| Amlodipine Besylate | 498 | 132 |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2021-05-03
- Certified
- 2021-05-03
Frequently asked questions
- What is J Caldwell's NPI number?
- J Caldwell's National Provider Identifier (NPI) is 1518911924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is J Caldwell's specialty?
- J Caldwell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is J Caldwell located?
- J Caldwell's practice location on file with NPPES is 500 West Broadway, Missoula, MT 59802-4008.
- What is J Caldwell's phone number?
- The practice phone number listed in the NPPES registry for J Caldwell is (406) 327-1900.
- Does J Caldwell accept Medicare?
- J Caldwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is J Caldwell's NPI active?
- Yes — J Caldwell's NPI (1518911924) is active in the NPPES registry as of the last update on 2021-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.