DR. MARK L GARDNER (MD) – Cardiovascular Disease Physician, NPI 1811921174
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
Provider Addresses for DR. MARK L GARDNER (MD)
475, North Forbes Street, Lakeport, Lake County, California, 95453, United States
LAKEPORT, CA 954534725
Phone: (707) 263-6346
Fax: (707) 263-5327
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-12-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20171229001481 | I | Cardiovascular Disease (Cardiology) | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 95453)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | FL | 85610 | Blood test, clotting time | 1804 | 252 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | FL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 715 | 551 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | FL | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 77 | 57 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | FL | 93458 | Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart | 22 | 22 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Internal Medicine | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.