Doctor profile · Federal record
Dr. Mary Greenwalt
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Greenfield, IN
- NPI 1417475450
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
300 E Boyd Ave Ste 201
Greenfield, IN 461402818
(317) 462-5112 - Additional location
-
1100 Reid Pkwy Ste 215
Richmond, IN 473741157
(765) 939-9331
fax (765) 939-9314 - Additional location
-
1400 N Ritter Ave Ste 520
Indianapolis, IN 462193052
(317) 355-1234 - Mailing address
-
1100 Reid Pkwy
Richmond, IN 473741157
Credentials & registration
- NPI registered
- August 2017 — 9 yrs on file
- Profile last updated
- January 29, 2026
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Indiana #71007479A · Indiana #28145063A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417475450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
107
Distinct HCPCS
2
Medicare allowed
$9,467
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 62 | 55 | $101 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 45 | 40 | $71 |
In context: peer comparison
Among 10 peers in Greenfield Family Nurse Practitioner, average services per provider: 39. This provider delivers 2.7× the peer median.Open Payments
Industry payments received
All-time total
$548
Transactions
18
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 3 | $149.25 | |
| Endologix LLC | 1 | $55.67 | |
| ShockWave Medical, INC | 1 | $47.65 | |
| Ossur Americas, INC. | 1 | $46.79 | |
| Bard Peripheral Vascular, INC. | 2 | $45.92 | |
| Novartis Pharmaceuticals Corporation | 2 | $41.85 | |
| Amgen INC. | 2 | $38.53 | |
| AngioDynamics, INC. | 1 | $34.34 | |
| Imperative Care, INC | 1 | $24.35 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $21.88 | |
| Solventum Corporation | 1 | $16.35 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $15.07 | |
| AltaThera Pharmaceuticals LLC | 1 | $10.34 |
By nature of payment
Frequently asked questions
What is Dr. Mary Greenwalt's medical specialty?
Dr. Mary Greenwalt practices Family Nurse Practitioner in Greenfield, IN.
Where does Dr. Mary Greenwalt practice?
Dr. Mary Greenwalt practices at 300 E Boyd Ave Ste 201, Greenfield, IN 461402818. Office phone: 3174625112.
What is Dr. Mary Greenwalt's NPI?
Dr. Mary Greenwalt's National Provider Identifier (NPI) is 1417475450, issued by NPPES.
Does Dr. Mary Greenwalt accept Medicare assignment?
Yes. Dr. Mary Greenwalt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Greenwalt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.