Ann M. Wexler, MD
Hematology & Oncology Physician · Berkeley, CA
Ann M. Wexler, MD is a hematology & oncology physician with a practice address in Berkeley, California, and NPI 1669482576, issued on Aug 9, 2006. Check the license (California A96244, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ann M. Wexler
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A96244 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Dwight Way, Berkeley, CA 94704
- Phone
- (510) 204-6402
- Enumerated
- Aug 9, 2006
- Record last updated
- Aug 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 848-0801
- Medicare enrollment
- Enrolled (PECOS I20061031000370); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 2001 Dwight Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neal Anzai, M.D.Psychiatry Physician1750597688
- Mary-Ellis Arnold, R.N., A.N.P.Adult Health Nurse Practitioner1619018322
- Kate Bartholomew, LCSWClinical Social Worker1881647196
- Rajesh Behl, M.D.Hematology & Oncology Physician1104844174
- Anne BosshardtInternal Medicine Physician1841435427
- Erika Bruce, NPAdult Health Nurse Practitioner1881694198
Verify Ann M. Wexler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,661 Medicare Part D claims for 205 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 140 claims were for opioids.
Most prescribed
- Eliquis98 claims
- Letrozole69 claims
- Mirtazapine69 claims
- Alendronate Sodium52 claims
- Gabapentin45 claims
- Amlodipine Besylate41 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $7,147.16
223 payments; by number, the most common kind was food and beverage; the largest payer was Adc Therapeutics America, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Solano Hematology - OncologyVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann M. Wexler among 1,583 hematology & oncology physician records in California
Ann M. Wexler, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1999 · median 2003 among the 1,124 with a school on file
- Record last updated2008 · 58% 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 California 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 California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Berkeley → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Rajesh Behl, M.D.Berkeley, CA 947041104844174
- David Irwin, M.D.Berkeley, CA 947041780672048
- Susan Kao, MDBerkeley, CA 947041396823167
- Kevin Knopf, M.D.Berkeley, CA 947041881626687
- Oleg Krijanovski, MD, PHDBerkeley, CA 947041841376704
- Uma Suryadevara, MDBerkeley, CA 947041750487385
- Janice Kirsch, M.D., M.P.H.Berkeley, CA 947051487857595
- Nisha Hariharan, MDBerkeley, CA 947021679004543
Common questions
What is Ann M. Wexler, MD's NPI number?
Ann M. Wexler, MD's National Provider Identifier (NPI) is 1669482576, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann M. Wexler, MD located?
The NPPES record lists a practice address at 2001 Dwight Way, Berkeley, CA, 94704. Phone: (510) 204-6402. Providers update this record themselves, so call before visiting.
How can I verify Ann M. Wexler, MD's license?
NPPES lists California license number A96244, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ann M. Wexler, MD prescribe under Medicare Part D?
In 2024, Ann M. Wexler, MD had 1,661 Medicare Part D claims for 205 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Ann M. Wexler, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.