AMRITHA CHANDRAHASA KARKERA (M.D.) – Hematology & Oncology Physician, NPI 1003129958
Hematology & Oncology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
350 HEMATOLOGY/ONCOLOGY in WI
Provider Addresses for AMRITHA CHANDRAHASA KARKERA (M.D.)
PO BOX 735044
CHICAGO, IL 606735044
Phone: (803) 326-2250
Type: Mailing
2845 GREENBRIER RD
GREEN BAY, WI 54311
Phone: (920) 288-8000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2016-07-06
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 |
|---|---|---|---|---|
| I20160706000642 | I | Hematology/Oncology | WI | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 352 | 58 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 297 | 143 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 19 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 13 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 60673)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| Family Practice | IL | |
| Geriatric Medicine, Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| - | IL | |
| Family Practice | WI | |
| - | OH | |
| - | WI |
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