John Mense
NPI 1588051171 · Internal Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mense is a Internal Medicine Physician provider in Torrance, CA (NPI 1588051171).
Provider details
- NPI number
- 1588051171
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A147460 (CA)
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
11 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
1,021 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 489 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 260 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 120 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 65 | $179 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 58 | $133 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 20 | 18 |
| Cefdinir | 20 | 19 |
| Omeprazole | 16 | 15 |
| Apixabanbrand: Eliquis | 15 | 13 |
| Furosemide | 14 | 14 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 13 | — |
| Amlodipine Besylate | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$626 across 31 records (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
- 2015-04-21
- Last updated
- 2020-03-18
- Certified
- 2020-03-18
Frequently asked questions
- What is John Mense's NPI number?
- John Mense's National Provider Identifier (NPI) is 1588051171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mense's specialty?
- John Mense is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Mense located?
- John Mense's practice location on file with NPPES is 3330 Lomita Blvd, Torrance, CA 90505-5002.
- What is John Mense's phone number?
- The practice phone number listed in the NPPES registry for John Mense is (310) 325-9110.
- Does John Mense accept Medicare?
- John Mense is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mense's NPI active?
- Yes — John Mense's NPI (1588051171) is active in the NPPES registry as of the last update on 2020-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.