DR. MAHESH SEETHARAM MD, FACP
NPI 1487781175
Internal Medicine - Hematology & Oncology in Phoenix, AZ

Q: What is Mahesh Seetharam's NPI number?

The NPI number for Mahesh Seetharam is 1487781175. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Q: What is Mahesh Seetharam'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 Mahesh Seetharam was last updated on September 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 February 28, 2007PECOS EnrolledAccepts Medicare Assignment

5777 E MAYO BLVD, PHOENIX, AZ 85054(480) 342-2000 Get Directions Write a Review

NPPES record last updated: September 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 10, 2020, May 11, 2018, Feb 1, 2017 (3 updates tracked since 2017).

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About Dr. Mahesh Seetharam Md, Facp NPPES

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

DR. MAHESH SEETHARAM MD, FACP (NPI 1487781175) is an individual hematology & oncology provider in Phoenix, Arizona, licensed in Arizona (43047) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1487781175

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. MAHESH SEETHARAMCredential: MD, FACP

Location Address5777 E MAYO BLVDPhoenix, AZ 85054-4502

Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5452 · (480) 301-8000

Phone(480) 342-2000

Sole ProprietorNo

Medical School CMSOtherGraduated 1998

Enumeration DateFebruary 28, 2007

Last NPPES UpdateSeptember 10, 20203 updates tracked since enumeration

NPPES CertifiedSeptember 10, 2020

✔ NPI 1487781175 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 AZ · 43047

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.

5777 E MAYO BLVD, Phoenix, AZ 85054

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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. Mahesh Seetharam Md, Facp 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 ID4385837624

PECOS Enrollment IDI20101019001627, I20171106003040

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 Mahesh Seetharam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Scottsdale Healthcare Corp

1.3 mi

Family Medicine

5425 E BELL RD, SUITE 125
Scottsdale, AZ 85254

Reassigned Medicare billing, Arizona enrollment
Medicare enrollment name: Honorhealth Ambulatory
822 clinicians in this Medicare group

NPI 1932520533 (623) 434-6200

Mayo Clinic Arizona

10 mi

Multi-Specialty

13400 E SHEA BLVD
Scottsdale, AZ 85259

Reassigned Medicare billing, Arizona enrollment
1,792 clinicians in this Medicare group

NPI 1558332494 (480) 301-8000

Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm

12 mi

Public Health or Welfare

4212 N 16TH ST
Phoenix, AZ 85016

Reassigned Medicare billing, Texas enrollment
599 clinicians in this Medicare group

NPI 1083643738 (602) 263-1200

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 63

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, pembrolizumab, 1 mg J9271

Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.

18,002 services65 patients

Injection, daratumumab, 10 mg and hyaluronidase-fihj J9144

Daratumumab and hyaluronidase-fihj is an injection administered to treat certain types of blood cancer. The medication works by targeting and killing specific cancer cells. It's often given under the skin to reduce side effects and improve patient comfort.

16,200 services72 patients

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.

10,200 services61 patients

Injection, paclitaxel, 1 mg J9267

Paclitaxel is a medication administered via injection to treat various types of cancer. It works by inhibiting cell division, thus preventing cancer cells from growing and multiplying. Each dose is tailored to the patient's body size.

7,164 services32 patients

Injection, nivolumab, 1 mg J9299

Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.

6,960 services13 patients

Injection, azacitidine, 1 mg J9025

Azacitidine is a medication administered via injection to treat certain types of blood or bone marrow cancer. This drug works by slowing or stopping the growth of cancer cells. It's typically given in a clinic or hospital setting by a healthcare professional.

5,190 services17 patients

Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram Q5110

Filgrastim-aafi (Nivestym) is a biosimilar injection used to stimulate the growth of white blood cells, which help the body fight off infections. It's often given to patients with low white blood cell counts due to cancer treatments or other conditions.

4,860 services11 patients

Injection, oxaliplatin, 0.5 mg J9263

Oxaliplatin is a chemotherapy drug that is administered via injection. It works by stopping cancer cells from growing and dividing, which helps in the treatment of certain types of cancer. The dosage is 0.5 mg, and it's important to follow your doctor's instructions for this treatment.

4,500 services16 patients

Injection, paclitaxel protein-bound particles, 1 mg J9264

Paclitaxel protein-bound particles injection is a treatment typically used in cancer care. It involves injecting medicine into your body to target and destroy cancer cells. The medicine is bound to protein particles to enhance its effectiveness.

3,900 services15 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.

2,340 services19 patients

Injection, durvalumab, 10 mg J9173

Durvalumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's administered by a healthcare professional, usually every 2-4 weeks. This specific dose is 10 mg.

2,022 services14 patients

Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569

The Gammagard Liquid injection is a type of immune globulin therapy. It's used to boost your body's immune system, helping it fight off infections. The therapy involves injecting a liquid form of proteins, collected from healthy donors, into your body. This is a 500mg dose.

1,950 services35 patients

Injection, carfilzomib, 1 mg J9047

Carfilzomib is a medication given through injection to treat certain types of cancer, particularly multiple myeloma. It works by stopping or slowing the growth of cancer cells in your body. The dosage is determined by your doctor based on your medical condition.

1,850 services13 patients

Injection, pemetrexed, not otherwise specified, 10 mg J9305

Pemetrexed injection is a medication administered to treat specific types of cancer, such as lung cancer or mesothelioma. The drug works by slowing the growth of cancer cells. This specific dosage refers to 10 mg of the drug.

1,600 services18 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.

1,528 services129 patients

Injection, bortezomib, 0.1 mg J9041

Bortezomib (Velcade) is a medication administered through an injection. It's used to treat multiple myeloma and mantle cell lymphoma, types of cancer. It works by blocking certain proteins in cancer cells, slowing their growth.

1,355 services26 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.

1,160 services99 patients

Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg Q5119

Rituximab-pvvr (Ruxience) is a biosimilar medication given via injection. It's used to treat certain types of cancer and autoimmune conditions. It works by targeting specific proteins on cells, helping your body's immune system to destroy them.

1,130 services14 patients

Injection, rituximab-abbs, biosimilar, (truxima), 10 mg Q5115

Rituximab-abbs (Truxima) is a biosimilar medication given through injection. It's used to treat certain types of cancer or autoimmune conditions by targeting specific proteins in your body to help control the growth of cancer cells or regulate your immune system.

1,000 services12 patients

Injection, ondansetron hydrochloride, per 1 mg J2405

Ondansetron hydrochloride is a medication given via injection to help prevent nausea and vomiting, often due to chemotherapy or surgery. It works by blocking certain chemicals in the body that trigger these symptoms.

948 services92 patients

Injection, decitabine, 1 mg J0894

Decitabine is a medication given via injection to treat certain types of blood or bone marrow cancer. It works by helping your body to stop or slow the growth of cancer cells. This injection, containing 1 mg of decitabine, is administered by a healthcare provider.

850 services12 patients

Injection, bevacizumab-bvzr, biosimilar, (zirabev), 10 mg Q5118

Zirabev is a biosimilar to Avastin (bevacizumab). It's a medication given through injection to help control the growth of cancer cells. It works by blocking the blood supply that feeds the cancer cells, slowing their growth.

820 services12 patients

Injection, atropine sulfate, 0.01 mg J0461

Atropine sulfate is a medication given via injection to regulate heart rate or treat certain types of poisoning. The 0.01 mg dosage is carefully measured to provide effective, safe treatment.

560 services17 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.

559 services228 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.

441 services346 patients

Injection, fulvestrant, 25 mg J9395

Fulvestrant is an injectable medication used to manage certain types of conditions. It works by blocking the effect of a natural substance in your body. The 25 mg dosage refers to the amount of active substance in each injection.

390 services14 patients

Injection, carboplatin, 50 mg J9045

Carboplatin is a chemotherapy drug used to treat various types of cancer by slowing or stopping the growth of cancer cells. The 50 mg injection is administered into a vein by a healthcare professional. Side effects may occur.

333 services36 patients

Injection, pegfilgrastim-jmdb (fulphila), biosimilar, 0.5 mg Q5108

Pegfilgrastim-jmdb (Fulphila) is a biosimilar injection used to stimulate the growth of white blood cells, helping your body fight infections. It's often given after certain cancer treatments that can lower your white blood cell count.

276 services21 patients

Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg J9201

Gemcitabine hydrochloride is a medication given via injection to treat certain types of cancer. The 200 mg dose is administered by a healthcare professional. The drug works by slowing or stopping the growth of cancer cells in the body. It's important to follow your doctor's instructions while receiving this treatment.

250 services28 patients

Injection, irinotecan, 20 mg J9206

Irinotecan is a chemotherapy drug given by injection to treat certain types of cancer. It works by slowing or stopping the growth of cancer cells. The 20 mg dosage refers to the amount of medication in each injection. Side effects can occur, so regular monitoring is key.

244 services13 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.

169 services118 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

158 services99 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.

152 services95 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.

150 services117 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.

139 services90 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.

139 services33 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.

121 services91 patients

Collection of blood sample from implanted device 36591

Collection of a blood sample from an implanted device involves drawing blood from a device placed under your skin. This device, often a port or catheter, allows easy access to your bloodstream. The procedure is usually quick and causes minimal discomfort.

120 services105 patients

Injection, fluorouracil, 500 mg J9190

Fluorouracil is a chemotherapy drug, given as an injection to treat various types of cancer. The 500 mg dose helps to stop cancer cells from growing and multiplying. You might feel some side effects, but these are typically manageable.

119 services29 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.

101 services85 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.

87 services61 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.

73 services59 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.

70 services63 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

67 services53 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.

58 services55 patients

Injection, magnesium sulfate, per 500 mg J3475

Magnesium sulfate injection, per 500 mg, is a medication administered to manage certain health conditions. It aids in controlling seizures in conditions like eclampsia and in managing severe asthma attacks. It's also used to prevent premature labor in pregnant women.

58 services14 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.

55 services53 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.

52 services47 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

52 services52 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

51 services11 patients

Administration of additional new drug or substance into vein using push technique 96411

This procedure involves injecting a new medication or substance directly into your vein using a method called the 'push' technique. It's a quick way to deliver medication into your bloodstream for fast-acting relief or treatment.

48 services37 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 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.

45 services41 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.

35 services28 patients

Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the infusion in the community setting (e.g., home, domiciliary, rest home or assisted l G0498

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. In the office, a pump is used to start an intravenous infusion of these drugs. The infusion can then be continued at home or another setting, like a rest home.

34 services28 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.

33 services33 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.

31 services26 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.

23 services22 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.

23 services19 patients

Administration of chemotherapy into vein using push technique 96409

Chemotherapy, a cancer treatment, can be administered directly into your vein using the push technique. This involves a healthcare professional slowly injecting the drug into your vein through a syringe. It's a quick method, usually taking only a few minutes.

17 services15 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.

16 services16 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.

16 services15 patients

Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion 96368

An infusion into a vein is a method of delivering medication, nutrients, or fluids directly into your bloodstream. If it's concurrent with another infusion, it means two different solutions are given at the same time. This can be for treatment, prevention, or diagnostic purposes.

14 services14 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85054 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

$168.60 typical visit price

range $55.44 – $168.60

Typical copayment $42.15 (range $13.86 – $42.15)

Most-billed visit code 99205

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

Referred Medical Equipment & Supplies CMS DME claims

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

Temozolomide, oral, 5 mg J8700

Treatment-Treatment - Miscellaneous · category RX000N

1 supplier13 claims2,691 services$0.41 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.

MEAGAN ELIZABETH TIBBO M.D.

Orthopaedic Surgery