JAMES MICHAEL NEFF (M.D.) – Internal Medicine Physician, NPI 1013992015
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
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Provider Addresses for JAMES MICHAEL NEFF (M.D.)
Parroquia Corpus Christi, Errioxa kalea, Ermitagaña, Ermitagaña-Mendebaldea, Pamplona, Iruñerria, Navarre, 31011, Spain
CORPUS CHRISTI, TX 784666409
Phone: (361) 696-6200
Fax: (361) 696-6054
Type: Mailing
South Padre Island Drive, Corpus Christi, Nueces County, Texas, 78415, United States
CORPUS CHRISTI, TX 784124940
Phone: (361) 696-6200
Fax: (361) 696-6054
Type: Location
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: 2010-02-09
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 |
|---|---|---|---|---|
| I20100209000771 | I | Internal Medicine | TX | 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 | 2,300 | 22 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 1,000 | 452 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 900 | 445 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 879 | 450 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 745 | 382 | $0 |
Insurance plans in this area (ZIP 78466)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | TX | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | TX | |
| Family Practice | TX | |
| Nurse Practitioner | TX | |
| Orthopedic Surgery | TX | |
| Orthopedic Surgery | TX | |
| Physical Therapist In Private Practice | TX | |
| Physical Medicine And Rehabilitation | TX | |
| Family Practice | TX | |
| Physical Therapist In Private Practice | TX |
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