DR. JAMES SIDNEY LOPEZ (M.D.) – Hematology & Oncology Physician, NPI 1699206946
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,274 INTERNAL MEDICINE in AR
Provider Addresses for DR. JAMES SIDNEY LOPEZ (M.D.)
3901 PARKWAY CIR
SPRINGDALE, AR 727626362
Phone: (479) 587-1700
Fax: (479) 587-1366
Type: Mailing
4301 W Markham St # 634
Little Rock, AR 722057101
Phone: (501) 686-5162
Type: Location
University of Arkansas Medical Sciences Medical Center, 4301, West Markham Street, Pulaski Heights, Little Rock, Pulaski County, Arkansas, 72205, United States
LITTLE ROCK, AR 722057101
Phone: (501) 686-8000
Fax: (501) 526-5148
Type: Mailing
634, West Markham Street, Little Rock, Pulaski County, Arkansas, 72201, United States
LITTLE ROCK, AR 722057101
Phone: (501) 686-5162
Type: Location
3901 PARKWAY CIR STE 100
SPRINGDALE, AR 727625328
Phone: (479) 587-1700
Fax: (479) 587-1366
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 90 Open Payments records for all available years, with a total value of $1,577.
Total Amount is formed as General ($1,577) + Research ($0) + Ownership ($0) = $1,577.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($299).
Total Amount
$1,577
General + Research + Ownership
Payments
90
Total payment records
General Amount
$1,577
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $299 |
| Daiichi Sankyo Inc. | $187 |
| E.R. Squibb & Sons, L.L.C. | $143 |
| Merck Sharp & Dohme LLC | $100 |
| BeiGene USA, Inc. | $55 |
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: 2020-07-21
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 |
|---|---|---|---|---|
| I20200721000424 | I | Internal Medicine | AR | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 72762)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | AR | |
| - | AR | |
| Nurse Practitioner | AR | |
| Medical Oncology, Hematology | AR | |
| Nurse Practitioner | AR | |
| Hospice/Palliative Care | AR | |
| Nurse Practitioner | AR | |
| Radiation Oncology | AR | |
| H E M A T O L O G Y/ O N C O L O G Y | AR | |
| Physician Assistant | AR |
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