Amritha Chandrahasa Karkera, M.D.
Hematology & Oncology Physician · Green Bay, WI
Amritha Chandrahasa Karkera, M.D. is a hematology & oncology physician with a practice address in Green Bay, Wisconsin, and NPI 1003129958, issued on Jul 21, 2010. Check the license (Wisconsin 56638-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Amritha Chandrahasa Karkera
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 56638-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Greenbrier RD, Green Bay, WI 54311
- Phone
- (920) 288-8000
- Enumerated
- Jul 21, 2010
- Record last updated
- Jul 18, 2025
- Medicaid ID
- 1003129958 WI
- Medicare enrollment
- Enrolled (PECOS I20160706000642); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 295 in Wisconsin → Look up another NPI →
Also registered at 2845 Greenbrier RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jade Abts, NPNurse Practitioner1992293708
- Ian AdamsonCertified Registered Nurse Anesthetist1184981532
- Kerry Ahrens, M.D.Emergency Medicine Physician1639497621
- Andrea Akpoguma, M.D.Hospitalist Physician1508091117
- Kirsten Akpoguma, CRNACertified Registered Nurse Anesthetist1417601725
- Valerie Albers, A.P.N.P.Nurse Practitioner1396015830
Verify Amritha Chandrahasa Karkera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 56638-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,845 Medicare Part D claims for 257 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 132 claims were for opioids.
Most prescribed
- Anastrozole241 claims
- Prednisone96 claims
- Eliquis70 claims
- Gabapentin68 claims
- Letrozole59 claims
- Acyclovir58 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Aurora Medical Group, Inc.Green Bay, WI
- Baycare Aurora LLCGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amritha Chandrahasa Karkera among 295 hematology & oncology physician records in Wisconsin
Amritha Chandrahasa Karkera, M.D. is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2007 · median 2004 among the 217 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Wisconsin
There are 295 hematology & oncology physician records in Wisconsin.
All 295 in Wisconsin → Every provider in Green Bay → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Umang Gautam, MDGreen Bay, WI 543111477564292
- Demet Gokalp Yasar, M.D.Green Bay, WI 543111437381191
- Mu LiGreen Bay, WI 543111518497940
- Nirav Patel, M.DGreen Bay, WI 543111225335482
- Anjali Budhathoki, M.DGreen Bay, WI 543131548558166
- Srinandan Guntupalli, M.D.,Green Bay, WI 543131538543780
- Kevin Mortara, MDGreen Bay, WI 543131033109210
- Tyion Torres, M.D.Green Bay, WI 543131093191611
Common questions
What is Amritha Chandrahasa Karkera, M.D.'s NPI number?
Amritha Chandrahasa Karkera, M.D.'s National Provider Identifier (NPI) is 1003129958, issued on Jul 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Amritha Chandrahasa Karkera, M.D. located?
The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54311. Phone: (920) 288-8000. Providers update this record themselves, so call before visiting.
How can I verify Amritha Chandrahasa Karkera, M.D.'s license?
NPPES lists Wisconsin license number 56638-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Amritha Chandrahasa Karkera, M.D. prescribe under Medicare Part D?
In 2024, Amritha Chandrahasa Karkera, M.D. had 1,845 Medicare Part D claims for 257 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.