Doctor profile · Federal record
Dr. Nicholas Thiessen, MD
Surgical Critical Care Physician (CMS: General Surgery) · Surgery Physician · Chandler, AZ
- NPI 1053550301
- Accepts Medicare
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
485 S Dobson RD Ste 201
Chandler, AZ 85224
(480) 728-4700
fax (480) 728-4747 - Additional location
-
1955 W Frye RD
Chandler, AZ 852246282 - Mailing address
-
Po Box 33269
Phoenix, AZ 850673269
Credentials & registration
- NPI registered
- February 2009 — 17 yrs on file
- Profile last updated
- November 22, 2024
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 2086S0102X — NUCC code
- State licenses (2)
- Arizona #48625 · Arizona #R70173
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053550301. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
427
Distinct HCPCS
9
Medicare allowed
$51,141
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 119 | 87 | $77 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 69 | 69 | $169 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 63 | 63 | $127 | |
99291 |
Critical care, first 30-74 minutes | 45 | 17 | $208 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 42 | 34 | $116 | |
99239 |
Hospital discharge day management, more than 30 minutes | 40 | 40 | $111 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 24 | 21 | $49 | |
99284 |
Emergency department visit with moderate level of medical decision making | 14 | 14 | $117 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 11 | 11 | $81 |
In context: peer comparison
Among 2 peers in Chandler Surgical Critical Care Physician, average services per provider: 46. This provider delivers 9.3× the peer median.Frequently asked questions
What is Dr. Nicholas Thiessen's medical specialty?
Dr. Nicholas Thiessen practices Surgical Critical Care Physician in Chandler, AZ.
Where does Dr. Nicholas Thiessen practice?
Dr. Nicholas Thiessen practices at 485 S Dobson RD Ste 201, Chandler, AZ 85224. Office phone: 4807284700.
What is Dr. Nicholas Thiessen's NPI?
Dr. Nicholas Thiessen's National Provider Identifier (NPI) is 1053550301, issued by NPPES.
Does Dr. Nicholas Thiessen accept Medicare assignment?
Yes. Dr. Nicholas Thiessen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Thiessen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.