ROBERT D. JOHNSON (PA-C) – Physician Assistant, NPI 1578588232
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for ROBERT D. JOHNSON (PA-C)
PO BOX 255228
SACRAMENTO, CA 95865
Phone:
Type: Mailing
2545 W. HAMMER LN.
STOCKTON, CA 952097597
Phone: (209) 948-1641
Type: Location
2111, Ogden Avenue, Aurora, Kane County, Illinois, 60504, United States
AURORA, IL 605047597
Phone: (630) 978-3800
Fax: (630) 862-3085
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: 2022-06-17
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 |
|---|---|---|---|---|
| I20220617000611 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 20610 | Aspiration and/or injection of fluid from large joint | 265 | 142 | $0 |
| J1040 | Injection, methylprednisolone acetate, 80 mg | 191 | 120 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 147 | 113 | $0 |
| J7323 | Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose | 103 | 30 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 85 | 78 | $0 |
Insurance plans in this area (ZIP 95865)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | IL | 20610 | Aspiration and/or injection of large joint or joint capsule | 45 | 29 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Internal Medicine | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Allergy/Immunology, Rheumatology | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA |
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