JOHN MARK DEACON (M.D.) – Undersea and Hyperbaric Medicine (Emergency Medicine) Physician, NPI 1477567923
Undersea and Hyperbaric Medicine (Emergency Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
Provider Addresses for JOHN MARK DEACON (M.D.)
943 VIA LOS PADRES
SANTA BARBARA, CA 931111325
Phone: (805) 680-5544
Type: Mailing
Goleta Valley Cottage Hospital, 351, South Patterson Avenue, Goleta, Santa Barbara County, California, 93111, United States
SANTA BARBARA, CA 931112403
Phone: (805) 696-7920
Fax: (805) 696-7921
Type: Location
Goleta, Candeán, A Fonte Escura, Vigo, Pontevedra, Galicia, 36317, Spain
GOLETA, CA 931161878
Phone: (805) 696-7920
Fax: (805) 696-7921
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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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: 2008-01-17
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 |
|---|---|---|---|---|
| I20080117000788 | I | Emergency Medicine | 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 |
|---|---|---|---|---|
| 11042 | Removal of skin and tissue, 20.0 sq cm or less | 66 | 63 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 56 | 52 | $0 |
| 11045 | Removal of skin and tissue, each additional 20.0 sq cm or less | 27 | 14 | $0 |
| 99183 | Management of oxygen chamber therapy | 25 | 11 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 93111)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | CA | 11042 | Removal of skin and tissue first 20 sq cm or less | 861 | 217 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA |
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