DR. NATHAN E LANGER (M.D.) – Hematology & Oncology Physician, NPI 1225230030
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
368 HEMATOLOGY/ONCOLOGY in VA
Provider Addresses for DR. NATHAN E LANGER (M.D.)
263 Medical Park Blvd
Petersburg, VA 23805
Phone: (804) 431-1100
Fax: (804) 862-1094
Type: Location
4730 Puddledock Rd Ste 100
Prince George, VA 238751274
Phone: (804) 452-3850
Fax: (804) 541-7585
Type: Location
Glen Forest Drive, Ladue, Saint Louis County, Missouri, 63124, United States
RICHMOND, VA 232263780
Phone: (804) 673-2024
Fax: (804) 673-1796
Type: Mailing
Medical Park Boulevard, Pinehill Plaza, Lakewood, Petersburg, Virginia, 23805, United States
PETERSBURG, VA 238050002
Phone: (804) 431-1100
Fax: (804) 862-1094
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 165 Open Payments records for all available years, with a total value of $3,728.
Total Amount is formed as General ($3,728) + Research ($0) + Ownership ($0) = $3,728.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($351).
Total Amount
$3,728
General + Research + Ownership
Payments
165
Total payment records
General Amount
$3,728
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $351 |
| Eisai Inc. | $235 |
| Janssen Biotech, Inc. | $187 |
| PFIZER INC. | $167 |
| Merck Sharp & Dohme LLC | $122 |
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: 2014-09-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-09-30 (984 days ago).
Enrollment records
1
Earliest due date
2023-09-30
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 |
|---|---|---|---|---|
| I20140916002462 | I | Hematology/Oncology | VA | 2023-09-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| Q0138 | Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 42,840 | 56 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 14,000 | 19 | $0 |
| J0897 | Injection, denosumab, 1 mg | 6,720 | 36 | $0 |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | 2,600 | 20 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 1,230 | 45 | $0 |
Insurance plans in this area (ZIP 23805)
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Group practice members
- 1
- 2
- 3
- 4
- 5
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| H E M A T O L O G Y/ O N C O L O G Y | VA | |
| - | VA | |
| Physician Assistant | VA | |
| Nurse Practitioner | VA | |
| H E M A T O L O G Y/ O N C O L O G Y | VA | |
| Nurse Practitioner | VA | |
| Hematology/Oncology, Internal Medicine | VA | |
| Nurse Practitioner | VA | |
| Medical Oncology, Hematology/Oncology, Internal Medicine | VA |
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