DR. COLIN ROBERT ANDERSON (MD) – Internal Medicine Physician, NPI 1023571122
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,585 INTERNAL MEDICINE in AZ
Provider Addresses for DR. COLIN ROBERT ANDERSON (MD)
1501 N CAMPBELL AVE RM 6336
TUCSON, AZ 857245040
Phone: (520) 626-8818
Fax: (520) 626-6020
Type: Mailing
135 RUTLEDGE AVE RUTLEDGE TOWER. MSC CODE: 591
CHARLESTON, SC 29425
Phone: (843) 792-2900
Type: Mailing
135 RUTLEDGE TOWER RUTLEDGE TOWER. M
CH, SC 294250001
Phone: (843) 792-2900
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $215.
Total Amount is formed as General ($215) + Research ($0) + Ownership ($0) = $215.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Inari Medical, Inc. ($127).
Total Amount
$215
General + Research + Ownership
Payments
5
Total payment records
General Amount
$215
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $127 |
| PFIZER INC. | $44 |
| Alexion Pharmaceuticals, Inc. | $23 |
| ABBVIE INC. | $21 |
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: 2024-08-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20230703002183 | I | Hospitalist | SC | TBD |
| I20240813003077 | I | Internal Medicine | AL | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 112 | 49 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 94 | 40 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 29 | 28 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 85724)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | GA | |
| - | AL | |
| Hospitalist, Internal Medicine | AL | |
| H O S P I T A L I S T | GA | |
| Internal Medicine | AL | |
| H O S P I T A L I S T | AL | |
| Internal Medicine | AL | |
| Nurse Practitioner | AL | |
| Internal Medicine | AL | |
| Internal Medicine | AL |
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