John Mars, MD
NPI 1316077506 · Preventive Medicine/Occupational Environmental Medicine Physician · Longmont, CO
John Mars, MD is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Longmont, CO (NPI 1316077506).
Provider details
- NPI number
- 1316077506
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36685 (CO)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense 36685 (CO)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28,133 across 18 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
- 2007-03-06
- Last updated
- 2018-09-28
Frequently asked questions
- What is John Mars's NPI number?
- John Mars's National Provider Identifier (NPI) is 1316077506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mars's specialty?
- John Mars is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Mars located?
- John Mars's practice location on file with NPPES is 205 S Main St, Longmont, CO 80501-1716.
- What is John Mars's phone number?
- The practice phone number listed in the NPPES registry for John Mars is (303) 702-1612.
- Is John Mars's NPI active?
- Yes — John Mars's NPI (1316077506) is active in the NPPES registry as of the last update on 2018-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.