Jacob Mark
NPI 1437416955 · Pediatric Gastroenterology Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Mark is a Pediatric Gastroenterology Physician provider in Aurora, CO (NPI 1437416955).
Provider details
- NPI number
- 1437416955
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0055431 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 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.
$25 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
- 2012-04-20
- Last updated
- 2018-07-28
Frequently asked questions
- What is Jacob Mark's NPI number?
- Jacob Mark's National Provider Identifier (NPI) is 1437416955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Mark's specialty?
- Jacob Mark is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Mark located?
- Jacob Mark's practice location on file with NPPES is 13123 E 16th Ave, Aurora, CO 80045.
- What is Jacob Mark's phone number?
- The practice phone number listed in the NPPES registry for Jacob Mark is (720) 777-1234.
- Does Jacob Mark accept Medicare?
- Jacob Mark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Mark's NPI active?
- Yes — Jacob Mark's NPI (1437416955) is active in the NPPES registry as of the last update on 2018-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.