Marshall Bergen, CRNA
NPI 1003578568 · Certified Registered Nurse Anesthetist · Phoenix, AZ
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Bergen, CRNA is a Certified Registered Nurse Anesthetist provider in Phoenix, AZ (NPI 1003578568).
Provider details
- NPI number
- 1003578568
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- RN192249 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
115 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 30 | $129 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 21 | $100 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 17 | $272 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 13 | $115 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 12 | $285 |
| Anesthesia for Other Closed Procedure on Chest00520 | 11 | $166 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-12
- Last updated
- 2022-02-17
- Certified
- 2022-02-17
Frequently asked questions
- What is Marshall Bergen's NPI number?
- Marshall Bergen's National Provider Identifier (NPI) is 1003578568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Bergen's specialty?
- Marshall Bergen is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marshall Bergen located?
- Marshall Bergen's practice location on file with NPPES is 4605 E Elwood St Ste 500, Phoenix, AZ 85040-1978.
- What is Marshall Bergen's phone number?
- The practice phone number listed in the NPPES registry for Marshall Bergen is (480) 256-1518.
- Does Marshall Bergen accept Medicare?
- Marshall Bergen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Bergen's NPI active?
- Yes — Marshall Bergen's NPI (1003578568) is active in the NPPES registry as of the last update on 2022-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.