Doctor profile · Federal record
Dr. John Sizemore, MSN Ag-ACNP
Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Acute Care Nurse Practitioner · Gerontology Clinical Nurse Specialist · Greenwood, IN
- NPI 1629649314
- Accepts Medicare
- 5 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
701 E County Line RD Ste 101
Greenwood, IN 461431070
(317) 885-2860
Credentials & registration
- NPI registered
- July 2021 — 5 yrs on file
- Profile last updated
- January 14, 2022
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LG0600X — NUCC code
- State license (1)
- Indiana #71011422A
- Medicaid
- IN #300054753
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629649314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
443
Distinct HCPCS
4
Medicare allowed
$48,418
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 269 | 260 | $137 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 80 | 36 | $39 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 64 | 63 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 26 | $61 |
In context: peer comparison
Among 3 peers in Greenwood Gerontology Nurse Practitioner, average services per provider: 71. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$42
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tactile Systems Technology INC | 3 | $41.72 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. John Sizemore's medical specialty?
Dr. John Sizemore practices Gerontology Nurse Practitioner in Greenwood, IN.
Where does Dr. John Sizemore practice?
Dr. John Sizemore practices at 701 E County Line RD Ste 101, Greenwood, IN 461431070. Office phone: 3178852860.
What is Dr. John Sizemore's NPI?
Dr. John Sizemore's National Provider Identifier (NPI) is 1629649314, issued by NPPES.
Does Dr. John Sizemore accept Medicare assignment?
Yes. Dr. John Sizemore accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Sizemore commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.