DAVID ZANDER (M.D.) – Specialist, NPI 1922023399
Specialist
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 DAVID ZANDER (M.D.)
302, Calle Paisano, San Clemente, Orange County, California, 92673, United States
SAN CLEMENTE, CA 926733063
Phone: (949) 201-7422
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: 2004-09-28
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 |
|---|---|---|---|---|
| I20040928001234 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 427 | 156 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 188 | 177 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 183 | 77 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 39 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 92673)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | PA | |
| Internal Medicine, Hospitalist | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Hospitalist | CA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Hospitalist | CA | |
| Hospitalist, Internal Medicine | NV |
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