Doctor profile · Federal record
Dr. BART DEMAERSCHALK, M.D.
Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · PHOENIX, AZ
- NPI 1457335994
- MIPS 78.6 / 100 · 2023
- 21 yrs on file
- Licensed in 12 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5777 E MAYO BLVD
PHOENIX, AZ 85054
(480) 301-8000
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- October 31, 2025
- Specialty taxonomy
- 2084N0400X — NUCC code
- State licenses (12)
- Arizona #29047 · Florida #ME127231 · Oklahoma #33826 · Missouri #2016026970 · Vermont #042.0012901 · Minnesota #60040 · Nevada #15084 · Georgia #075778 · Iowa #43464 · New Hampshire #16343 · Wisconsin #65691 · Maine #MD20204
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457335994. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
223
Distinct HCPCS
9
Medicare allowed
$27,898
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 53 | 34 | $49 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 34 | 26 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 29 | 27 | $170 | |
99285 |
Emergency department visit with high level of medical decision making | 27 | 25 | $172 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 24 | 24 | $175 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $204 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $123 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 13 | 12 | $81 | |
G0426 |
Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth | 13 | 13 | $119 |
In context: peer comparison
Among 50 peers in this city , average services per provider: 1,116. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$7,120
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech, Inc. | 1 | $5,520.00 | |
| Teladoc Health, Inc. | 1 | $1,599.65 |