Doctor profile · Federal record
Dr. Mary Mayer, MD
Medical Oncology Physician (CMS: Medical Oncology) · Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Indianapolis, IN
- NPI 1770588808
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7979 N Shadeland Ave, Ste 200
Indianapolis, IN 462502042
(317) 621-4300
fax (317) 621-4301 - Mailing address
-
6626 E 75Th St Ste 500
Indianapolis, IN 462502890
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- September 6, 2023
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Indiana #01040769A
- Medicaid
- IN #100100060
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770588808. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,715
Distinct HCPCS
8
Medicare allowed
$129,020
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 711 | 481 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 661 | 282 | $92 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 170 | 160 | $34 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 72 | 72 | $123 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 38 | 29 | $136 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 33 | 23 | $47 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 16 | 16 | $75 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $78 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 378. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$179
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Adaptive Biotechnologies Corporation | 1 | $117.95 | |
| Tempus AI, Inc | 1 | $61.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,324
Patients
753
Total drug cost
$465,225
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 702 | 218 | $42,009 |
| Eliquis (Apixaban) | Brand | 241 | 54 | $288,004 |
| Anastrozole | Generic | 178 | 54 | $4,914 |
| Warfarin Sodium | Generic | 175 | 44 | $2,296 |
| Ondansetron Hcl | Generic | 124 | 77 | $1,837 |
| Dexamethasone | Generic | 109 | 42 | $1,104 |
| Prochlorperazine Maleate | Generic | 109 | 61 | $1,398 |
| Tamoxifen Citrate | Generic | 101 | 27 | $2,492 |
| Xarelto (Rivaroxaban) | Brand | 101 | 23 | $113,278 |
| Acyclovir | Generic | 98 | 25 | $2,338 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary Mayer's medical specialty?
Dr. Mary Mayer practices Medical Oncology Physician in Indianapolis, IN.
Where does Dr. Mary Mayer practice?
Dr. Mary Mayer practices at 7979 N Shadeland Ave, Indianapolis, IN 462502042. Office phone: 3176214300.
What is Dr. Mary Mayer's NPI?
Dr. Mary Mayer's National Provider Identifier (NPI) is 1770588808, issued by NPPES.
Does Dr. Mary Mayer accept Medicare assignment?
Yes. Dr. Mary Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Mayer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.