Mark Gardner, MD
NPI 1811921174 · Cardiovascular Disease Physician · Lakeport, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gardner, MD is a Cardiovascular Disease Physician provider in Lakeport, CA (NPI 1811921174).
Provider details
- NPI number
- 1811921174
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME0065785 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2017-12-14
Frequently asked questions
- What is Mark Gardner's NPI number?
- Mark Gardner's National Provider Identifier (NPI) is 1811921174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gardner's specialty?
- Mark Gardner is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gardner located?
- Mark Gardner's practice location on file with NPPES is 475 N Forbes St, Lakeport, CA 95453-4725.
- What is Mark Gardner's phone number?
- The practice phone number listed in the NPPES registry for Mark Gardner is (707) 263-6346.
- Does Mark Gardner accept Medicare?
- Mark Gardner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gardner's NPI active?
- Yes — Mark Gardner's NPI (1811921174) is active in the NPPES registry as of the last update on 2017-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.