ARTURO SANTIAGO VAZQUEZ (M.D.) – Hospitalist Physician, NPI 1174861876
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for ARTURO SANTIAGO VAZQUEZ (M.D.)
3501 S HARBOR BLVD
SANTA ANA, CA 927046919
Phone: (714) 929-2300
Fax: (714) 929-2304
Type: Mailing
115 LINCOLN ST
FRAMINGHAM, MA 017026358
Phone: (508) 383-1000
Type: Mailing
3501 S Harbor Blvd
Santa Ana, CA 927046919
Phone: (714) 929-2300
Fax: (714) 929-2304
Type: Location
PO BOX 35380
LAS VEGAS, NV 891335380
Phone:
Type: Mailing
1300 E COOLEY DR
COLTON, CA 923243905
Phone: (909) 370-4100
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: 2021-10-07
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 |
|---|---|---|---|---|
| I20211007002893 | 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 |
|---|---|---|---|---|
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 27 | 13 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 21 | 16 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 21 | 14 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 18 | 18 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 92704)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Physical Therapist In Private Practice | NV | |
| Internal Medicine | CA | |
| - | CA | |
| Internal Medicine, Geriatric Medicine | CA |
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