MARGARET A COLLERAN (M.D.) – Internal Medicine Physician, NPI 1457356677
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
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Provider Addresses for MARGARET A COLLERAN (M.D.)
Boyette Road, Riverview, Hillsborough County, Florida, 33569, United States
RIVERVIEW, FL 335698742
Phone: (813) 654-1775
Fax: (813) 651-9082
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 114 Open Payments records for all available years, with a total value of $2,161.
Total Amount is formed as General ($2,161) + Research ($0) + Ownership ($0) = $2,161.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Lilly USA, LLC ($301).
Total Amount
$2,161
General + Research + Ownership
Payments
114
Total payment records
General Amount
$2,161
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $301 |
| AstraZeneca Pharmaceuticals LP | $170 |
| Exact Sciences Corporation | $134 |
| Bayer Healthcare Pharmaceuticals Inc. | $122 |
| Novo Nordisk Inc | $106 |
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: 2010-11-24
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 |
|---|---|---|---|---|
| I20101124000711 | I | Internal Medicine | FL | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 5,400 | 50 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 548 | 304 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 264 | 264 | $0 |
| 99497 | Advance care planning, first 30 minutes | 243 | 243 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 222 | 202 | $0 |
Insurance plans in this area (ZIP 33569)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | FL | 83036 | Hemoglobin A1C level | 298 | 153 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Family Practice | FL | |
| Family Practice, Emergency Medicine | FL | |
| Family Practice | FL | |
| Family Practice | LA | |
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Physician Assistant | TX |
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