Nicholas Thiessen, MD
NPI 1053550301 · Surgical Critical Care Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Thiessen, MD is a Surgical Critical Care Physician provider in Chandler, AZ (NPI 1053550301).
Provider details
- NPI number
- 1053550301
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 48625 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
420 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 95 | $166 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 90 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 61 | $114 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 54 | $125 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 31 | $109 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
Practice location
Mailing address
Additional practice locations (1)
- 1955 W Frye RdChandler, AZ 85224-6282Phone: (480) 728-4700Fax: (480) 728-4747
Registry dates
- Enumerated
- 2009-02-10
- Last updated
- 2024-11-22
- Certified
- 2024-11-22
Frequently asked questions
- What is Nicholas Thiessen's NPI number?
- Nicholas Thiessen's National Provider Identifier (NPI) is 1053550301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Thiessen's specialty?
- Nicholas Thiessen is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Thiessen located?
- Nicholas Thiessen's practice location on file with NPPES is 485 S Dobson Rd Ste 201, Chandler, AZ 85224.
- What is Nicholas Thiessen's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Thiessen is (480) 728-4700.
- Does Nicholas Thiessen accept Medicare?
- Nicholas Thiessen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Thiessen's NPI active?
- Yes — Nicholas Thiessen's NPI (1053550301) is active in the NPPES registry as of the last update on 2024-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.