MITCHELL MARUBAYASHI (D.O.) – Family Medicine Physician, NPI 1093208779
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,237 FAMILY PRACTICE in CA
Provider Addresses for MITCHELL MARUBAYASHI (D.O.)
101 BODIN CIR
TRAVIS AFB, CA 945351809
Phone: (707) 423-3863
Type: Mailing
PO BOX 1020
STOCKTON, CA 952013120
Phone: (209) 468-6937
Fax: (209) 468-7042
Type: Mailing
West Hospital Road, French Camp, San Joaquin County, California, 95231, United States
FRENCH CAMP, CA 952319693
Phone: (209) 468-6937
Fax: (209) 468-7042
Type: Location
240 Spruce St
Gridley, CA 959482216
Phone: (530) 846-5671
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: 2021-07-08
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 |
|---|---|---|---|---|
| I20210708002454 | I | Family Practice | 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 | 116 | 112 | $0 |
| 99497 | Advance care planning, first 30 minutes | 107 | 106 | $0 |
| 99291 | Critical care, first 30-74 minutes | 59 | 48 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 31 | 19 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 23 | 22 | $0 |
Insurance plans in this area (ZIP 94535)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | DC | |
| - | CA | |
| N E U R O S U R G E R Y | MA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| - | MA | |
| Emergency Medicine | CA | |
| - | CA | |
| Internal Medicine | NY |
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