MAKI MATSUMURA (NP-C) – Nurse Practitioner, NPI 1013316488
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
16,360 NURSE PRACTITIONER in CA
Provider Addresses for MAKI MATSUMURA (NP-C)
1450 TREAT BLVD STE 300
WALNUT CREEK, CA 945972168
Phone: (925) 952-2828
Type: Mailing
1450 TREAT BLVD STE 250A
WALNUT CREEK, CA 945972168
Phone: (925) 296-9740
Fax: (925) 296-9062
Type: Location
1510 4TH ST
SUITE 1
BERKELEY, CA 947101717
Phone: (858) 337-7770
Type: Mailing
1510 4th St
Suite 1
Berkeley, CA 947101717
Phone: (858) 337-7770
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $101.
Total Amount is formed as General ($101) + Research ($0) + Ownership ($0) = $101.
Last reported payment date: 2024-05-23 • Largest payer in this snapshot: Exact Sciences Corporation ($46).
Total Amount
$101
General + Research + Ownership
Payments
4
Total payment records
General Amount
$101
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $46 |
| PFIZER INC. | $38 |
| Lilly USA, LLC | $17 |
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: 2014-10-09
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 |
|---|---|---|---|---|
| I20141009000006 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 252 | 210 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 139 | 107 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 67 | 61 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 26 | 26 | $0 |
Insurance plans in this area (ZIP 94597)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Pediatric Medicine | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| U R O L O G Y | CA | |
| Internal Medicine, Hospitalist | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Hospice/Palliative Care, Internal Medicine | CA | |
| Physician Assistant | CA |
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