ANN M WEXLER MD
NPI 1669482576
Internal Medicine - Hematology & Oncology in Berkeley, CA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

Active since August 09, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

2001 DWIGHT WAY, BERKELEY, CA 94704(510) 204-6402(510) 848-0801 Get Directions Write a Review

NPPES record last updated: August 7, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Ann M Wexler Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANN M WEXLER MD (NPI 1669482576) is an individual hematology & oncology provider in Berkeley, California, licensed in California (A96244) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (1999).

NPPES Registry Identity

NPI1669482576

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameANN M WEXLERCredential: MD

Location Address2001 DWIGHT WAYBerkeley, CA 94704-2608

Mailing Address2001 Dwight WayBerkeley, CA 94704-2608 · (510) 204-6402 · Fax (510) 848-0801

Phone(510) 204-6402

Fax(510) 848-0801

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1999

Enumeration DateAugust 9, 2006

Last NPPES UpdateAugust 7, 2008

✔ NPI 1669482576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · A96244

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedSpecialistTaxonomy 174400000X · License A96244 (CA)

2001 DWIGHT WAY, Berkeley, CA 94704

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Other Identifiers 2

Medicare PIN00A962440CA

Medicare UPINI61915CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ann M Wexler Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567469711

PECOS Enrollment IDI20061031000370

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 40

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138

Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.

29,070 services23 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

9,122 services32 patients

Injection, epoetin alfa, (for non-esrd use), 1000 units J0885

Epoetin alfa is a medication injected to help your body produce more red blood cells, improving energy levels and reducing tiredness. It's often used for patients with certain types of anemia. Each injection contains 1000 units of the medicine.

5,240 services20 patients

Injection, heparin sodium, (heparin lock flush), per 10 units J1642

Heparin sodium injection, often referred to as a heparin lock flush, is a procedure used to prevent blood clots in the veins. It involves injecting a small amount of heparin, a blood-thinning medication, into an intravenous (IV) line to keep it open and prevent blockages.

3,900 services15 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

1,377 services266 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

1,346 services262 patients

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,341 services285 patients

Injection, granisetron hydrochloride, 100 mcg J1626

Granisetron hydrochloride is an anti-nausea medication given by injection. It helps prevent nausea and vomiting often caused by cancer treatments like chemotherapy. Its dosage is measured in micrograms (mcg).

1,330 services16 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

1,150 services12 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

1,026 services254 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

816 services56 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

734 services244 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

652 services83 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

572 services51 patients

Infusion into a vein for hydration, each additional hour 96361

This procedure involves delivering fluids directly into your vein to keep your body hydrated. It is typically done when oral hydration is insufficient. Each additional hour means more fluid is infused to ensure adequate hydration.

431 services50 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

360 services38 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

310 services40 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

301 services149 patients

Follow-up hospital inpatient care per day, typically 25 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

260 services66 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

240 services103 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

215 services132 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

198 services31 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

187 services116 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

180 services23 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

153 services27 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

148 services23 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

147 services82 patients

Infusion, normal saline solution, sterile (500 ml = 1 unit) J7040

An infusion of a normal saline solution is a common medical procedure. Sterile saline (salt water) is administered into your bloodstream via a drip. This helps to maintain fluid balance in your body, especially when you're unable to drink enough liquids.

134 services19 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

119 services36 patients

Carcinoembryonic antigen (cea) protein level 82378

Carcinoembryonic Antigen (CEA) protein level is a blood test often used in cancer care. It measures the amount of CEA protein in your blood, which can increase in cases of certain types of cancer. It's used to monitor treatment progress and check for cancer recurrence.

117 services50 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

110 services11 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

70 services11 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

59 services12 patients

New patient office or other outpatient visit, 60-74 minutes 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

55 services55 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

54 services42 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

49 services37 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

45 services13 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

33 services14 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

33 services25 patients

Established patient office or other outpatient visit, 10-19 minutes 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

29 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$202.35 typical visit price

range $69.00 – $202.35

Typical copayment $50.58 (range $17.25 – $50.58)

Most-billed visit code 99205

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

100

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%428 patients5/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

100%129 patients5/55-star benchmark: 87%

Controlling High Blood Pressure

50%40 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

92%4,878 patients4/55-star benchmark: 100%

Oncology: Advance Care Planning in Metastatic Cancer Patients

68%37 patients4/55-star benchmark: 85%

Oncology: Medical and Radiation - Pain Intensity Quantified

100%1,403 patients5/55-star benchmark: 100%

Oncology: Medical and Radiation - Plan of Care for Pain

100%316 patients5/55-star benchmark: 100%

Oncology: Patient-Reported Pain Improvement

64%197 patients

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

99%783 patients5/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 35% · 664 patients

Patients screened: 38% · 664 patients

5%22 patients1/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%510 patients5/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

4%451 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

2 suppliers52 claims1,815 services$11.18 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197

Other-Enteral and Parenteral · category OB005N

2 suppliers34 claims237 services$281.52 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, over 100 grams of protein - premix B4199

Other-Enteral and Parenteral · category OB005N

1 supplier18 claims126 services$318.26 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

2 suppliers51 claims356 services$8.03 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

2 suppliers51 claims356 services$25.07 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier11 claims11 services$51.41 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BAY AREA REHABILITATION MEDICAL GROUP

Physical Medicine & Rehabilitation

2001 DWIGHT WAY
BERKELEY, CA 94704

Alameda County (510) 204-4411

LIFELONG MEDICAL CARE

Family Medicine

2001 DWIGHT WAY, RM 1363
BERKELEY, CA 94704

Alameda County (510) 204-4666

MS. ERIKA BRUCE NP

Nurse Practitioner (Adult Health)

2001 DWIGHT WAY, SUITE # 1363
BERKELEY, CA 94704

Alameda County (510) 204-4666

DR. DAVID H. IRWIN M.D.

Internal Medicine (Hematology & Oncology)

2001 DWIGHT WAY
BERKELEY, CA 94704

Alameda County (510) 204-6402

DR. MICHAEL CASSIDY M.D.

Specialist

2001 DWIGHT WAY
BERKELEY, CA 94704

Alameda County (510) 204-1591

DR. ANNE-RENNE HARTMAN M.D.

Specialist

2001 DWIGHT WAY
BERKELEY, CA 94704

Alameda County (510) 204-1591

DR. BRAD H LEWIS M.D.

Specialist

2001 DWIGHT WAY
BERKELEY, CA 94704

Alameda County (510) 204-1591

MS. JEANETTE DORA SARMIENTO LCSW

Social Worker (Clinical)

2001 DWIGHT WAY, BERKELEY PRIMARY CARE, ROOM 1363
BERKELEY, CA 94704

Alameda County (510) 204-4666

ANN M WEXLER MD
NPI 1669482576
Internal Medicine - Hematology & Oncology in Berkeley, CA

About Ann M Wexler Md NPPES

NPPES Registry Identity

Specialties & Licenses 2

Other Identifiers 2

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 40

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Reported Quality Measures

Referred Medical Equipment & Supplies CMS DME claims 8

Other Providers at the Same Location NPPES 20

Frequently Asked Questions

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