MR. CHRISTOPHER DARON BAKER (PA-C) – Physician Assistant, NPI 1356529465
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,366 PHYSICIAN ASSISTANT in MD
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Provider Addresses for MR. CHRISTOPHER DARON BAKER (PA-C)
311, 4th Street, Jack London Square, Oakland, Alameda County, California, 94607, United States
SUITE 1
OAKLAND, MD 215501371
Phone: (301) 334-7855
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $567.
Total Amount is formed as General ($567) + Research ($0) + Ownership ($0) = $567.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($189).
Total Amount
$567
General + Research + Ownership
Payments
28
Total payment records
General Amount
$567
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $189 |
| Lilly USA, LLC | $78 |
| Novo Nordisk Inc | $70 |
| Exact Sciences Corporation | $50 |
| ABBVIE INC. | $47 |
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: 2008-03-28
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 |
|---|---|---|---|---|
| I20080328000505 | I | Physician Assistant | MD | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 162 | 112 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 42 | 36 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 33 | 33 | $0 |
| 81003 | Automated urinalysis test | 16 | 15 | $0 |
| G0008 | Administration of influenza virus vaccine | 13 | 13 | $0 |
Insurance plans in this area (ZIP 21550)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | MD | |
| Nurse Practitioner | MD | |
| Family Practice | MD | |
| Nurse Practitioner | MD | |
| Physician Assistant | MD | |
| Family Practice | PA | |
| Physician Assistant | MD | |
| - | WV | |
| Nurse Practitioner | MD | |
| Certified Registered Nurse Anesthetist (Crna) | WV |
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