MARY L MAYER MD
NPI 1770588808
Internal Medicine - Medical Oncology in Indianapolis, IN

Active since June 15, 2005PECOS EnrolledAccepts Medicare Assignment
7979 N SHADELAND AVE, STE 200, INDIANAPOLIS, IN 46250(317) 621-4300(317) 621-4301 Get Directions Write a Review

NPPES record last updated: September 6, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 6, 2023, Sep 28, 2020, Feb 7, 2017 and 3 more (6 updates tracked since 2016).

About Mary L Mayer Md NPPES

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

MARY L MAYER MD (NPI 1770588808) is an individual medical oncology provider in Indianapolis, Indiana, licensed in Indiana (01040769A) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Franciscan Health Mooresville, and is a graduate of Indiana University School Of Medicine (1987).

NPPES Registry Identity

NPI1770588808
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameMARY L MAYERCredential: MD
Location Address7979 N SHADELAND AVE, STE 200Indianapolis, IN 46250-2042
Mailing Address6626 E 75th St Ste 500Indianapolis, IN 46250-2890
Fax(317) 621-4301
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1987
Enumeration DateJune 15, 2005
Last NPPES UpdateSeptember 6, 20236 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2023
NPI 1770588808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in IN · 01040769A
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 01040769A (IN)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 01040769A (IN)
7979 N SHADELAND AVE, Indianapolis, IN 46250

Other Identifiers 7

Other2048872IN · Cigna
Other000000902313IN · Anthem
OtherP01751205IN · Rr Medicare
Other000000092001IN · Anthem Bcbs
Other4323595IN · Aetna
Medicaid100100060IN
OtherP01456909IN · Rr Medicare

Accepted 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

Mary L Mayer 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 ID8820141963
PECOS Enrollment IDI20090806000415
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 7

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.

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.
644 services427 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.
549 services233 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.
187 services163 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.
68 services68 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
27 services15 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.
26 services23 patients

Hospital Affiliations CMS Care Compare 5

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

Franciscan Health Mooresville

Acute Care Hospitals · Mooresville, IN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150057
Location1201 Hadley RdMooresville, IN 46158 · Morgan County
Emergency services Birthing friendly

Community Hospital East

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150074
Location1500 N Ritter AveIndianapolis, IN 46219 · Marion County
Emergency services Birthing friendly

Columbus Regional Hospital

Acute Care Hospitals · Columbus, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150112
Location2400 E 17th StColumbus, IN 47201 · Bartholomew County
Emergency services Birthing friendly

Community Hospital South, Inc.

Acute Care Hospitals · Indianapolis, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150128
Location1402 E County Line Rd SIndianapolis, IN 46227 · Marion County
Emergency services Birthing friendly

Franciscan Health Indianapolis

Acute Care Hospitals · Indianapolis, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150162
Location8111 S Emerson AveIndianapolis, IN 46237 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46250 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
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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 12

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

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
4 suppliers14 claims7,543 services$0.26 avg. paid by Medicare
Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier52 claims1,205 services$11.30 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 52 to 73 grams of protein - premix B4193
Other-Enteral and Parenteral · category OB005N
1 supplier38 claims216 services$228.97 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier52 claims309 services$8.04 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier52 claims309 services$25.10 avg. paid by Medicare
Parenteral nutrition infusion pump, portable B9004
Other-Enteral and Parenteral · category OB005N
1 supplier12 claims12 services$400.88 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.

Pharmacist (Ambulatory Care)
7979 N SHADELAND AVE
INDIANAPOLIS, IN 46250
Internal Medicine (Medical Oncology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Internal Medicine (Medical Oncology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Nurse Practitioner (Gerontology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Internal Medicine (Hematology & Oncology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Nurse Practitioner (Gerontology)
7979 N SHADELAND AVE
INDIANAPOLIS, IN 46250
Nurse Practitioner
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Nurse Practitioner (Family)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250

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 Mary Mayer's NPI number?

The NPI number for Mary Mayer is 1770588808. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Mary Mayer located?

Mary Mayer practices at 7979 N Shadeland Ave Ste 200, Indianapolis, IN 46250. The listed phone number is (317) 621-4300.

What is Mary Mayer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Mary Mayer enrolled in Medicare?

Yes. Mary Mayer 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 Mary Mayer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and UnitedHealthcare list Mary Mayer 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 Mary Mayer affiliated with any hospitals?

According to CMS data, Mary Mayer is affiliated with Franciscan Health Mooresville, Community Hospital East, Columbus Regional Hospital, Community Hospital South, Inc. and Franciscan Health Indianapolis.

When was this NPI record last updated?

The NPPES record for Mary Mayer was last updated on September 6, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.