DR. ARMANDO F SIQUEIROS (MD) – Internal Medicine Physician, NPI 1699758540
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for DR. ARMANDO F SIQUEIROS (MD)
Marian Medical Center, 1400, East Church Street, Santa Maria, Santa Barbara County, California, 93454, United States
ATT: MEDICAL STAFF OFFICE
SANTA MARIA, CA 93454
Phone: (805) 739-3954
Type: Mailing
4460, Broad Street, San Luis Obispo, San Luis Obispo County, California, 93401, United States
SUITE A
SAN LUIS OBISPO, CA 93401
Phone: (805) 597-6715
Type: Location
842 CALIFORNIA BLVD
SAN LUIS OBISPO, CA 934012902
Phone: (805) 549-5277
Fax: (805) 549-5293
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: 2003-11-07
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 |
|---|---|---|---|---|
| I20031107000720 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 473 | 267 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 252 | 165 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 88 | 88 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 33 | 32 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 93454)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Physician Assistant | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine, Emergency Medicine | CA | |
| Nurse Practitioner | TN | |
| Physical Medicine And Rehabilitation | CA | |
| N E U R O L O G Y | CA | |
| Family Practice | CA | |
| Orthopedic Surgery | NH | |
| Hand Surgery | CA |
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