DR. MARK LELAND KADDEN (M.D.) – Gastroenterology Physician, NPI 1093784597
Gastroenterology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. MARK LELAND KADDEN (M.D.)
332 S JUNIPER ST STE 100
ESCONDIDO, CA 920254941
Phone: (760) 291-6621
Fax: (760) 737-3430
Type: Mailing
120 CRAVEN RD STE 201
SAN MARCOS, CA 920784237
Phone: (760) 291-6650
Fax: (760) 737-3430
Type: Mailing
Graybill Medical Group, 225, East 2nd Avenue, Escondido, San Diego County, California, 92025, United States
SUITE 340
ESCONDIDO, CA 920254245
Phone: (760) 489-0908
Fax: (760) 489-0962
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 53 Open Payments records for all available years, with a total value of $1,128.
Total Amount is formed as General ($1,128) + Research ($0) + Ownership ($0) = $1,128.
Last reported payment date: 2024-05-14 • Largest payer in this snapshot: ABBVIE INC. ($594).
Total Amount
$1,128
General + Research + Ownership
Payments
53
Total payment records
General Amount
$1,128
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-14
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2012-03-22
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 |
|---|---|---|---|---|
| I20120322000560 | I | Gastroenterology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 194 | 103 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 56 | 56 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 38 | 35 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 29 | 29 | $0 |
Insurance plans in this area (ZIP 92025)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Family Practice | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| Family Practice | CA |
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