DR. MARUT K THONGCHAROEN – Internal Medicine Physician, NPI 1710132980
Internal Medicine Physician
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 DR. MARUT K THONGCHAROEN
Kindred Hospital - San Francisco Bay Area, 2800, Benedict Drive, San Leandro, Alameda County, California, 94578, United States
SAN LEANDRO, CA 945776840
Phone: (510) 357-8300
Fax: (510) 620-3924
Type: Location
North Hiatus Road, Tamarac, Broward County, Florida, 33351, United States
REGIONAL ADMIN OFFICE
TAMARAC, FL 333216424
Phone: (888) 447-2362
Fax: (865) 560-7110
Type: Mailing
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: 2019-05-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20101115000176 | I | Internal Medicine | NY | TBD |
| I20190510000660 | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 151 | 142 | $0 |
| 99497 | Advance care planning, first 30 minutes | 116 | 110 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 91 | 73 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 94577)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| N E P H R O L O G Y | CA | |
| Infectious Disease, Internal Medicine | CA | |
| H O S P I T A L I S T | CA | |
| Internal Medicine | OH |
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