NABIN RAJ KARKI (MD) – Hematology & Oncology Physician, NPI 1295186476
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
326 HEMATOLOGY/ONCOLOGY in MD
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Provider Addresses for NABIN RAJ KARKI (MD)
MedStar Harbor Hospital, 3001, South Hanover Street, Baltimore, Maryland, 21225, United States
DEPARTMENT OF INTERNAL MEDICINE
BALTIMORE, MD 212251233
Phone: (410) 350-3565
Type: Mailing
PO BOX 746450
ATLANTA, GA 303746450
Phone: (251) 434-3626
Fax: (251) 445-2464
Type: Mailing
1660 SPRING HILL AVE
MOBILE, AL 366041405
Phone: (251) 665-8000
Fax: (251) 665-8010
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 136 Open Payments records for all available years, with a total value of $2,700.
Total Amount is formed as General ($2,700) + Research ($0) + Ownership ($0) = $2,700.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Janssen Biotech, Inc. ($367).
Total Amount
$2,700
General + Research + Ownership
Payments
136
Total payment records
General Amount
$2,700
General payments
Research Amount
$0
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 |
|---|---|
| Janssen Biotech, Inc. | $367 |
| PFIZER INC. | $319 |
| Novartis Pharmaceuticals Corporation | $269 |
| Regeneron Healthcare Solutions, Inc. | $192 |
| Eisai Inc. | $158 |
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: 2022-09-13
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 |
|---|---|---|---|---|
| I20220913002453 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 39 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 50 | 28 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 20 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 21225)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | AL | |
| Nurse Practitioner | GA | |
| Gynecological Oncology | AL | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | GA | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | AL |
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