KRISTIN BOGER GERSHFIELD (MD) – Hospitalist Physician, NPI 1124030614
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,302 HOSPITALIST in CA
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Provider Addresses for KRISTIN BOGER GERSHFIELD (MD)
2100 Powell Street, Bay Trail, Emeryville, Alameda County, California, 94608, United States
SUITE 900
EMERYVILLE, CA 946081826
Phone: (510) 350-2600
Fax: (510) 879-9100
Type: Mailing
Sequoia Hospital, 170, Alameda de las Pulgas, Redwood City, San Mateo County, California, 94062, United States
REDWOOD CITY, CA 940622751
Phone: (650) 369-5811
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: 2004-04-12
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 |
|---|---|---|---|---|
| I20040412000790 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 208 | 108 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 80 | 77 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 68 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 16 | 14 | $0 |
Insurance plans in this area (ZIP 94608)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Hospitalist, Internal Medicine, Osteopathic Manipulative Medicine | CA | |
| H O S P I T A L I S T | CA | |
| Physician Assistant | CA | |
| Nurse Practitioner | FL | |
| H O S P I T A L I S T | CA | |
| Internal Medicine, Hospitalist | CA | |
| Hospitalist, Family Practice | CA | |
| Hospitalist, Family Practice | CA | |
| Physician Assistant | CA |
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