DR. CHARLES ALLEN STILLMAN (D.O.) – Diagnostic Radiology Physician, NPI 1508836453
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,812 DIAGNOSTIC RADIOLOGY in CA
Provider Addresses for DR. CHARLES ALLEN STILLMAN (D.O.)
801 S Ham Ln
Lodi, CA 952427501
Phone: (209) 366-1000
Type: Location
195, Gloria Circle, Menlo Park, San Mateo County, California, 94025, United States
MENLO PARK, CA 940253559
Phone: (650) 450-3150
Type: Mailing
546, East Pine Street, El Pinal, Stockton, San Joaquin County, California, 95204, United States
STOCKTON, CA 952045525
Phone: (209) 467-1000
Fax: (209) 467-7335
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $106.
Total Amount is formed as General ($106) + Research ($0) + Ownership ($0) = $106.
Last reported payment date: 2023-11-13 • Largest payer in this snapshot: Esaote North America, Inc. ($76).
Total Amount
$106
General + Research + Ownership
Payments
2
Total payment records
General Amount
$106
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Esaote North America, Inc. | $76 |
| LEICA MICROSYSTEMS INC. | $29 |
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: 2010-05-12
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 |
|---|---|---|---|---|
| I20100512000410 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 7,803 | 79 | $0 |
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 386 | 32 | $0 |
| 72148 | Mri scan of lower spinal canal without contrast | 266 | 265 | $0 |
| 77067 | Screening mammography | 182 | 182 | $0 |
| 77063 | Screening 3d breast mammography | 142 | 142 | $0 |
Insurance plans in this area (ZIP 95242)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 11 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | AZ | |
| Diagnostic Radiology | MO | |
| Diagnostic Radiology | MI |
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