KARL N ZEFF (M.D.) – Child & Adolescent Psychiatry Physician, NPI 1861584377
Child & Adolescent Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,160 PSYCHIATRY in CA
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Provider Addresses for KARL N ZEFF (M.D.)
3400, Data Drive, Rancho Cordova, Sacramento County, California, 95670, United States
RANCHO CORDOVA, CA 956707956
Phone: (916) 924-6400
Type: Mailing
Tribute Road, Sacramento, Sacramento County, California, 95815, United States
SUITE 350
SACRAMENTO, CA 958154305
Phone: (916) 924-6400
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: 2005-05-11
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20050511000334 | I | Psychiatry | 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 |
|---|---|---|---|---|
| 90785 | Psychiatric services complicated by communication factor | 432 | 157 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 424 | 154 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 357 | 152 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 67 | 49 | $0 |
Insurance plans in this area (ZIP 95670)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | CA | 90833 | Psychotherapy, 30 minutes with patient and/or family member | 352 | 175 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| - | CA | |
| N E U R O L O G Y | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Interventional Radiology | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| Advanced Heart Failure And Transplant Cardiology | CA |
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