LARRY M GREENBAUM (MD) – Rheumatology Physician, NPI 1316927072
Rheumatology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
129 RHEUMATOLOGY in IN
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Provider Addresses for LARRY M GREENBAUM (MD)
701, County Line Road, Phoenix, Greenwood County, South Carolina, 29819, United States
SUITE 101
GREENWOOD, IN 461431070
Phone: (317) 885-2860
Fax: (317) 885-2869
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 20 Open Payments records for all available years, with a total value of $351.
Total Amount is formed as General ($351) + Research ($0) + Ownership ($0) = $351.
Last reported payment date: 2024-04-17 • Largest payer in this snapshot: ABBVIE INC. ($244).
Total Amount
$351
General + Research + Ownership
Payments
20
Total payment records
General Amount
$351
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $244 |
| Amgen Inc. | $73 |
| Novartis Pharmaceuticals Corporation | $18 |
| E.R. Squibb & Sons, L.L.C. | $16 |
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: 2010-03-06
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 |
|---|---|---|---|---|
| I20100306000147 | I | Rheumatology | IN | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 426 | 232 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 298 | 171 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 282 | 166 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 278 | 165 | $0 |
| 80076 | Liver function blood test panel | 268 | 154 | $0 |
Insurance plans in this area (ZIP 46143)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Sleep Medicine | IN | |
| Nurse Practitioner | IN | |
| Physician Assistant | IN | |
| - | IN | |
| Pulmonary Disease, Critical Care (Intensivists) | IN | |
| Infectious Disease, Internal Medicine | IN | |
| Pulmonary Disease, Critical Care (Intensivists) | IN | |
| Internal Medicine | IN | |
| Pulmonary Disease, Sleep Medicine, Internal Medicine | IN | |
| Internal Medicine | IN |
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