DR. JAMES D. MCCALLUM (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1609838994
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
948 ENDOCRINOLOGY in CA
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Provider Addresses for DR. JAMES D. MCCALLUM (M.D.)
10790, Rancho Bernardo Road, San Diego County, California, 92127, United States
SAN DIEGO, CA 921275705
Phone: (858) 824-5335
Fax: (858) 964-3131
Type: Mailing
La Jolla Country Day School, 9490, Genesee Avenue, Golden Triangle, University City, San Diego, San Diego County, California, 92037, United States
LA JOLLA, CA 920371205
Phone: (858) 824-5335
Fax: (858) 964-3131
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 39 Open Payments records for all available years, with a total value of $19,920.
Total Amount is formed as General ($1,120) + Research ($18,800) + Ownership ($0) = $19,920.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Eli Lilly and Company ($17,669).
Total Amount
$19,920
General + Research + Ownership
Payments
39
Total payment records
General Amount
$1,120
General payments
Research Amount
$18,800
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Eli Lilly and Company | $17,669 |
| ABBVIE INC. | $1,814 |
| Medtronic, Inc. | $184 |
| Insulet Corporation | $68 |
| Antares Pharma, Inc. | $40 |
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: 2008-06-18
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 |
|---|---|---|---|---|
| I20080618000757 | I | Endocrinology | 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 |
|---|---|---|---|---|
| J1071 | Injection, testosterone cypionate, 1 mg | 24,500 | 12 | $0 |
| J0897 | Injection, denosumab, 1 mg | 3,360 | 50 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 715 | 458 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 236 | 126 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 207 | 78 | $0 |
Insurance plans in this area (ZIP 92127)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| - | CA |
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