Jon Mcgregor, M. D.
NPI 1619925575 · Cardiovascular Disease Physician · Missoula, MT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Mcgregor, M. D. is a Cardiovascular Disease Physician provider in Missoula, MT (NPI 1619925575).
Provider details
- NPI number
- 1619925575
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- J7580 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,430 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 309 | $66 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 252 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 241 | $124 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 115 | $13 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 84 | $14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 291 | 100 |
| Apixabanbrand: Eliquis | 200 | 56 |
| Rosuvastatin Calcium | 175 | 49 |
| Atorvastatin Calcium | 147 | 51 |
| Carvedilol | 115 | 38 |
| Amlodipine Besylate | 115 | 37 |
| Spironolactone |
Practice location
Mailing address
Additional practice locations (2)
- 2829 Great Northern LoopMissoula, MT 59808-1752Phone: (406) 541-7000Fax: (406) 327-1875
- 7737 Southwest FwySuite 780Houston, TX 77074-1807Phone: (713) 988-9512Fax: (713) 988-9515
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2021-11-09
- Certified
- 2021-11-09
Frequently asked questions
- What is Jon Mcgregor's NPI number?
- Jon Mcgregor's National Provider Identifier (NPI) is 1619925575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Mcgregor's specialty?
- Jon Mcgregor is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Mcgregor located?
- Jon Mcgregor's practice location on file with NPPES is 500 W Broadway St Ste 320, Missoula, MT 59802-4003.
- What is Jon Mcgregor's phone number?
- The practice phone number listed in the NPPES registry for Jon Mcgregor is (406) 329-5615.
- Does Jon Mcgregor accept Medicare?
- Jon Mcgregor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Mcgregor's NPI active?
- Yes — Jon Mcgregor's NPI (1619925575) is active in the NPPES registry as of the last update on 2021-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.