Patcharin Tanawattanacharoen, MD
Hematology & Oncology Physician · Eau Claire, WI
Patcharin Tanawattanacharoen, MD is a hematology & oncology physician with a practice address in Eau Claire, Wisconsin, and NPI 1942300272, issued on Sep 25, 2006. Check the license (Wisconsin 42821, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Patcharin Tanawattanacharoen
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 42821 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Craig RD, Eau Claire, WI 54701
- Phone
- (715) 858-6767
- Enumerated
- Sep 25, 2006
- Record last updated
- Feb 16, 2024
- Medicaid ID
- 34059600 WI
- Medicare enrollment
- Enrolled (PECOS I20050824001041); 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 2200 Craig RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Dahlberg, APNPNurse Practitioner1841795010
- Taylor Effertz, NPNurse Practitioner1962136580
- Michael Fallon, MDRadiation Oncology Physician1184623381
- Atif Khan, M.DHematology & Oncology Physician1326303793
- Kira Musial, PAPhysician Assistant1912499179
- William ParsonsNurse Practitioner1861964934
Verify Patcharin Tanawattanacharoen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 42821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,021 Medicare Part D claims for 197 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 23 claims were for opioids.
Most prescribed
- Anastrozole227 claims
- Dexamethasone69 claims
- Eliquis53 claims
- Hydroxyurea53 claims
- Alendronate Sodium38 claims
- Potassium Chloride32 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patcharin Tanawattanacharoen among 295 hematology & oncology physician records in Wisconsin
Patcharin Tanawattanacharoen, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1987 · median 2004 among the 217 with a school on file
- Record last updated2024 · 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 Eau Claire → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Apoorva Jayarangaiah, M.DEau Claire, WI 547011396186458
- Atif Khan, M.DEau Claire, WI 547011326303793
- Vidya Kollu, M.D.Eau Claire, WI 547011710346671
- Rathnamitreyee Vegunta, MDEau Claire, WI 547011043872666
- Sameer Batoo, MBBSEau Claire, WI 547031023266640
- Matthew Folstad, MDEau Claire, WI 547031841853272
- Ola Kanj Ahmed, MDEau Claire, WI 547031184767295
- Christian Debranin, MDLa Crosse, WI 546011417036005
Common questions
What is Patcharin Tanawattanacharoen, MD's NPI number?
Patcharin Tanawattanacharoen, MD's National Provider Identifier (NPI) is 1942300272, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patcharin Tanawattanacharoen, MD located?
The NPPES record lists a practice address at 2200 Craig RD, Eau Claire, WI, 54701. Phone: (715) 858-6767. Providers update this record themselves, so call before visiting.
How can I verify Patcharin Tanawattanacharoen, MD's license?
NPPES lists Wisconsin license number 42821, 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 Patcharin Tanawattanacharoen, MD prescribe under Medicare Part D?
In 2024, Patcharin Tanawattanacharoen, MD had 1,021 Medicare Part D claims for 197 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Patcharin Tanawattanacharoen, MD's MIPS final score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.