DR. JULIE A MAI M.D.
NPI 1215990718
Radiology - Radiation Oncology in Saint Louis, MO

Q: What is Julie Mai's NPI number?

The NPI number for Julie Mai is 1215990718. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Q: What is Julie Mai's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Julie Mai was last updated on September 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 April 07, 2006PECOS EnrolledAccepts Medicare Assignment

73/100

CMS Quality Rating

607 S NEW BALLAS RD, SUITE T-1275, SAINT LOUIS, MO 63141(314) 251-6844(314) 251-6337 Get Directions Write a Review

NPPES record last updated: September 4, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Julie A Mai M.d. NPPES

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

DR. JULIE A MAI M.D. (NPI 1215990718) is an individual radiation oncology provider in Saint Louis, Missouri, licensed in Missouri (2002004004) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Washington University School Of Medicine (1997).

NPPES Registry Identity

NPI1215990718

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameDR. JULIE A MAICredential: M.D.

Location Address607 S NEW BALLAS RD, SUITE T-1275Saint Louis, MO 63141-8222

Mailing Address11475 Olde Cabin Rd, Suite 200Saint Louis, MO 63141-7128 · (314) 991-8200 · Fax (314) 991-8206

Phone(314) 251-6844

Fax(314) 251-6337

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 1997

Enumeration DateApril 7, 2006

Last NPPES UpdateSeptember 4, 2009

✔ NPI 1215990718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in MO · 2002004004

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

607 S NEW BALLAS RD, Saint Louis, MO 63141

Open in Google Maps ↗

Other Identifiers 4

Medicare PIN047010769MO

Medicare PIN048010288MO

Medicare UPINH56902

Medicaid205815004MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

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. Julie A Mai 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 ID5496798639

PECOS Enrollment IDI20100324000179, I20170203001804

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 Reassignment

Medicare enrollment records show Julie Mai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

West County Radiological Group, Inc.

Same address

Diagnostic Radiology

615 S NEW BALLAS RD, DEPT OF RADIOLOGY
Saint Louis, MO 63141

Reassigned Medicare billing, Illinois and Missouri enrollments
11 clinicians in this Medicare group

NPI 1477500585 (314) 251-6031

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 13

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

423 services99 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

139 services36 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

113 services33 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

113 services44 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.

99 services87 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

45 services32 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

33 services33 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.

30 services30 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

22 services22 patients

Complex radiation therapy planning for delivery of external radiation 77307

Complex radiation therapy planning involves creating a detailed plan to deliver targeted radiation doses. The process includes imaging scans to identify the area needing treatment, and designing a specific radiation plan to protect healthy tissue while effectively treating the disease.

20 services20 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

19 services19 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

13 services13 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$169.38 typical visit price

range $55.65 – $169.38

Typical copayment $42.34 (range $13.91 – $42.34)

Most-billed visit code 99205

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

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.

73/100

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

Scored as part of a group practice

Quality

72.28

Improvement Activities

Cost

60.82

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.

JOHN W FINNIE MD

Internal Medicine (Hematology & Oncology)

607 S NEW BALLAS RD, SUITE 3300
SAINT LOUIS, MO 63141

St. Louis County (314) 251-4986

DR. NISHAN CHOBANIAN JR. MD

Obstetrics & Gynecology (Gynecologic Oncology)

607 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-4260

BURTON M NEEDLES M.D.

Internal Medicine (Hematology & Oncology)

607 S NEW BALLAS RD, SUITE 3300
SAINT LOUIS, MO 63141

St. Louis County (314) 251-4400

KURT D. SOELL

Counselor (Professional)

607 S NEW BALLAS RD, SUITE 1430
SAINT LOUIS, MO 63141

St. Louis County (314) 504-8388

DR. HEIDE ALEXANDRA RODGERS MD

Internal Medicine (Hematology & Oncology)

607 S NEW BALLAS RD, SUITE 3300
SAINT LOUIS, MO 63141

St. Louis County (314) 251-4400

JAMES H BOYD M.D.

Otolaryngology (Plastic Surgery within the Head & Neck)

607 S NEW BALLAS RD, STE 2300
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6394

KAVITHA KOSURI D.O.

Internal Medicine (Medical Oncology)

607 S NEW BALLAS RD, SUITE 3300
SAINT LOUIS, MO 63141

St. Louis County (314) 251-4400

LEONARD DAVID GAUM MD

Urology

607 S NEW BALLAS RD, SUITE 3100
SAINT LOUIS, MO 63141

St. Louis County (314) 251-8850

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 Julie Mai's NPI number?

The NPI number for Julie Mai is 1215990718. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Where is Julie Mai located?

Julie Mai practices at 607 S New Ballas Rd Suite T-1275, Saint Louis, MO 63141. The listed phone number is (314) 251-6844.

What is Julie Mai's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Julie Mai enrolled in Medicare?

Yes. Julie Mai 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.

Which organization bills Medicare for Julie Mai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julie Mai reassigns Medicare benefits to West County Radiological Group, Inc. (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Julie Mai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Julie Mai accept?

Health plans from UnitedHealthcare list Julie Mai 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 Julie Mai affiliated with any hospitals?

According to CMS data, Julie Mai is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Julie Mai was last updated on September 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.