ANN MAURA WIERMAN MD, FACP
NPI 1447270087
Internal Medicine - Hematology & Oncology in Las Vegas, NV

Q: What is Ann Wierman's NPI number?

The NPI number for Ann Wierman is 1447270087. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Q: What is Ann Wierman'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 Ann Wierman was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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 July 19, 2006PECOS EnrolledAccepts Medicare Assignment

17.91/100

CMS Quality Rating

3150 N TENAYA WAY, STE 200, LAS VEGAS, NV 89128(702) 822-2000(702) 938-2237 Get Directions Write a Review

NPPES record last updated: October 30, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Ann Maura Wierman Md, Facp NPPES

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

ANN MAURA WIERMAN MD, FACP (NPI 1447270087) is an individual hematology & oncology provider in Las Vegas, Nevada, licensed in Nevada (7788) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mountainview Hospital, and is a graduate of Baylor College Of Medicine (1989).

NPPES Registry Identity

NPI1447270087

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameANN MAURA WIERMANCredential: MD, FACP

Location Address3150 N TENAYA WAY, STE 200Las Vegas, NV 89128-0444

Mailing Address3150 N Tenaya Way, Ste 200Las Vegas, NV 89128-0444 · (702) 822-2000 · Fax (702) 938-2237

Phone(702) 822-2000

Fax(702) 938-2237

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 1989

Enumeration DateJuly 19, 2006

Last NPPES UpdateOctober 30, 2024

NPPES CertifiedOctober 30, 2024

✔ NPI 1447270087 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in NV · 7788✔ Licensed in TX · H9280✔ Licensed in AZ · 25112✔ Licensed in CO · 32878

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.

3150 N TENAYA WAY, Las Vegas, NV 89128

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Other Identifiers 1

Medicaid002019840NV

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

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 Maura Wierman 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 ID6103965256

PECOS Enrollment IDI20091202000393

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 32

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, 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.

40,290 services39 patients

Injection, ferric carboxymaltose, 1 mg J1439

Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.

39,752 services26 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.

9,922 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.

7,808 services41 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.

5,723 services41 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.

1,196 services199 patients

Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units Q5106

Epoetin alfa-epbx (Retacrit) is a biosimilar injection used for non-ESRD (End-Stage Renal Disease). It helps your body make more red blood cells, increasing your energy and well-being. It's usually given under the skin or into a vein by a healthcare professional.

1,083 services25 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.

1,063 services409 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.

783 services74 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.

772 services12 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.

570 services37 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.

487 services44 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.

473 services62 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.

455 services85 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.

424 services117 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.

370 services90 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.

321 services37 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.

312 services219 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.

289 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.

288 services224 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.

246 services72 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.

239 services21 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.

237 services89 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.

224 services36 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.

172 services27 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.

120 services36 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.

118 services37 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.

108 services108 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.

104 services36 patients

Drawing of blood for a medical problem 99195

Drawing blood is a simple procedure where a needle is inserted into a vein, usually in your arm, to collect a small sample. This sample helps in diagnosing any medical issues you may have. You might feel a small prick, but overall, it's a quick and safe process.

69 services24 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

59 services22 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.

38 services32 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mountainview Hospital

Acute Care Hospitals · Las Vegas, NV

4/5 CMS rating

OwnershipProprietary

CMS Certification Number290039

Location3100 N Tenaya WayLas Vegas, NV 89128 · Clark County

Emergency services Birthing friendly

Summerlin Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV

2/5 CMS rating

OwnershipProprietary

CMS Certification Number290041

Location657 Town Center DriveLas Vegas, NV 89144 · Clark County

Emergency services Birthing friendly

Centennial Hills Hospital Medical Center

Acute Care Hospitals · Las Vegas, NV

1/5 CMS rating

OwnershipProprietary

CMS Certification Number290054

Location6900 N Durango DrLas Vegas, NV 89149 · Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89128 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

$173.24 typical visit price

range $57.07 – $173.24

Typical copayment $43.31 (range $14.26 – $43.31)

Most-billed visit code 99205

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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.

17.91/100

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

Individually scored

Quality

Improvement Activities

Cost

59.73

Referred Medical Equipment & Supplies CMS DME claims 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers31 claims31 services$65.56 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers22 claims22 services$33.96 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.

MRS. COURTNEY MICHAELENE SMITH MA

Audiologist

3150 N TENAYA WAY, SUITE 112
LAS VEGAS, NV 89128

Clark County (702) 562-1777

CHINO MD LTD

Surgery (Vascular Surgery)

3150 N TENAYA WAY, STE 560
LAS VEGAS, NV 89128

Clark County (702) 233-8346

LORI O'TOOLE NP

Internal Medicine (Cardiovascular Disease)

3150 N TENAYA WAY, SUITE320
LAS VEGAS, NV 89128

Clark County (702) 240-6482

DR. ALI R RAHIMI MD

Internal Medicine

3150 N TENAYA WAY, SUITE 271
LAS VEGAS, NV 89128

Clark County (702) 562-5765

RICHARD WAYNE KLATT DO

Pediatrics

3150 N TENAYA WAY, STE 255
LAS VEGAS, NV 89128

Clark County (702) 870-2099

DR. WILLIAM H RESH MD

Internal Medicine (Cardiovascular Disease)

3150 N TENAYA WAY, SUITE 320
LAS VEGAS, NV 89128

Clark County (702) 240-6482

MRS. DANIELLE E. KNOEPPEL MS

Audiologist

3150 N TENAYA WAY, #140
LAS VEGAS, NV 89128

Clark County (702) 671-6481

DR. GREGORY A KAPELA DDS

Dentist (General Practice)

3150 N TENAYA WAY
LAS VEGAS, NV 89128

Clark County (702) 869-0369

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ann Wierman's NPI number?

The NPI number for Ann Wierman is 1447270087. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Ann Wierman located?

Ann Wierman practices at 3150 N Tenaya Way Ste 200, Las Vegas, NV 89128. The listed phone number is (702) 822-2000.

What is Ann Wierman's specialty?

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

Is Ann Wierman enrolled in Medicare?

Yes. Ann Wierman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ann Wierman accept?

Health plans from Ambetter from Arizona Complete Health list Ann Wierman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ann Wierman affiliated with any hospitals?

According to CMS data, Ann Wierman is affiliated with Mountainview Hospital, Summerlin Hospital Medical Center and Centennial Hills Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Ann Wierman was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.