DR. GILBERT OWEN ANDERSEN (M.D.) – Internal Medicine Physician, NPI 1821091836
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,508 INTERNAL MEDICINE in CA
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Provider Addresses for DR. GILBERT OWEN ANDERSEN (M.D.)
Lompoc Post Office, West Ocean Avenue, Lompoc Village, Santa Barbara County, California, 93436, United States
LOMPOC, CA 934382700
Phone: (805) 736-1253
Fax: (805) 736-5355
Type: Mailing
3rd Street, Lompoc, Santa Barbara County, California, 93436, United States
LOMPOC, CA 934367002
Phone: (805) 736-1253
Fax: (805) 736-5355
Type: Location
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: 2004-05-27
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 |
|---|---|---|---|---|
| I20040527001372 | I | Internal 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 |
|---|---|---|---|---|
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 122 | 14 | $0 |
Insurance plans in this area (ZIP 93438)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| General Surgery, General Practice | CA | |
| Family Practice | CA | |
| Diagnostic Radiology, Interventional Radiology | CA | |
| Family Practice | TX | |
| Interventional Radiology, Diagnostic Radiology | IL | |
| Orthopedic Surgery | WA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Family Practice | CA |
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