DR. DAVID R SIMON (MD) – Internal Medicine Physician, NPI 1922089135
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DR. DAVID R SIMON (MD)
100 S ANAHEIM BLVD STE 101
ANAHEIM, CA 928053848
Phone: (714) 826-1200
Mailing address matches the actual address.
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: 2004-05-26
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 |
|---|---|---|---|---|
| I20040526000778 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 149 | 69 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 147 | 60 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 52 | 51 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 24 | 20 | $0 |
| G0008 | Administration of influenza virus vaccine | 22 | 22 | $0 |
Insurance plans in this area (ZIP 92805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| Neurology, Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| - | CA |
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