DR. ADITI CHOUDHRY M.D.
NPI 1427218908
Internal Medicine - Hematology & Oncology in Walnut Creek, CA

Q: What is Aditi Choudhry's NPI number?

The NPI number for Aditi Choudhry is 1427218908. It was assigned to this individual provider in the NPPES registry on June 10, 2008.

Q: What is Aditi Choudhry's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Aditi Choudhry was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 10, 2008PECOS EnrolledAccepts Medicare Assignment

85.73/100

CMS Quality Rating

177 LA CASA VIA STE 390, WALNUT CREEK, CA 94598(925) 692-5610 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Aditi Choudhry M.d. NPPES

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

DR. ADITI CHOUDHRY M.D. (NPI 1427218908) is an individual hematology & oncology provider in Walnut Creek, California, licensed in California (A115151) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1427218908

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameDR. ADITI CHOUDHRYCredential: M.D.

Location Address177 LA CASA VIA STE 390Walnut Creek, CA 94598-6101

Mailing Address1450 Treat Blvd Ste 300Walnut Creek, CA 94597-2168 · (925) 952-2828

Phone(925) 692-5610

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateJune 10, 2008

Last NPPES UpdateJuly 7, 2026

NPPES CertifiedJuly 7, 2026

✔ NPI 1427218908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · A115151

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.

177 LA CASA VIA STE 390, Walnut Creek, CA 94598

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Other Identifiers 1

OtherP01149802CA · Railroad Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Aditi Choudhry M.d. 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 ID9638338171

PECOS Enrollment IDI20120629000068

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.

Medicare Billing Reassignments

Medicare enrollment records show Aditi Choudhry reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

John Muir Trauma Physicians Billing Service

Same address

Hospitalist

1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598

Reassigned Medicare billing, California enrollment
810 clinicians in this Medicare group

NPI 1093864837 (925) 947-5331

John Muir Physician Network

1.1 mi

General Practice

1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597

Reassigned Medicare billing, California enrollment
650 clinicians in this Medicare group

NPI 1841407665 (925) 296-9872

Providence Medical Foundation

32 mi

Obstetrics & Gynecology

1100 TRANCAS ST, SUITE 209
Napa, CA 94558

Reassigned Medicare billing, California enrollment
1,699 clinicians in this Medicare group

NPI 1205131950 (707) 251-1850

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 30

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

Injection, fosaprepitant, 1 mg J1453

Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.

5,550 services13 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.

1,800 services22 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.

1,480 services11 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 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.

719 services393 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

676 services270 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.

587 services21 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

510 services16 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.

273 services126 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.

259 services116 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

207 services96 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.

110 services24 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.

109 services52 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

109 services69 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.

90 services31 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.

89 services75 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 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.

85 services50 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 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.

84 services84 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.

82 services20 patients

Leuprolide acetate (for depot suspension), 7.5 mg J9217

Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.

69 services14 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.

41 services14 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 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.

41 services41 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

35 services35 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.

30 services27 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.

30 services15 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.

27 services17 patients

Irrigation of implanted venous access drug delivery device 96523

Irrigation of an implanted venous access drug delivery device is a procedure to clean or unblock the device. This device is implanted under your skin to allow easy, frequent, and long-term access to your veins for medication delivery. The process involves flushing the device with a sterile solution to ensure it works properly.

26 services11 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

25 services11 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

21 services14 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.

17 services11 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

14 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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.

85.73/100

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

Scored as part of a group practice

Quality

82.68

Promoting Interoperability

Improvement Activities

Cost

70.58

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)

100%39 patients5/55-star benchmark: 100%

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture

Lower rates are better for this measure.

18%51 patients

Breast Cancer Screening

86%348 patients4/55-star benchmark: 93%

Cervical Cancer Screening

66%318 patients3/55-star benchmark: 98%

Colorectal Cancer Screening

75%668 patients4/55-star benchmark: 88%

Controlling High Blood Pressure

83%422 patients4/55-star benchmark: 91%

Diabetes: Eye Exam

29%126 patients2/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

21%126 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

96%4,496 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

82%839 patients4/55-star benchmark: 100%

HIV Screening

36%563 patients3/55-star benchmark: 60%

Oncology: Medical and Radiation - Pain Intensity Quantified

95%907 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

46%1,191 patients2/55-star benchmark: 98%

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

94%1,014 patients4/55-star benchmark: 97%

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

Patients combinedPopulations: 92% · 889 patients

Patients screened: 94% · 889 patients

32%37 patients2/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%728 patients5/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

79%523 patients4/55-star benchmark: 91%

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.

Other Providers at the Same Location NPPES 15

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

ELISE MANZANILLO NP

Nurse Practitioner