Andrew Hollatz, M.D.
NPI 1154525087 · Anesthesiology Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Hollatz, M.D. is a Anesthesiology Physician provider in Duluth, MN (NPI 1154525087).
Provider details
- NPI number
- 1154525087
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 62901 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
340 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 | 59 | $63 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 50 | $57 |
| Anesthesia for Electroshock Therapy00104 | 41 | $50 |
| Anesthesia for Lens Surgery00142 | 33 | $95 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 28 | $54 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 20 | $83 |
Practice location
Mailing address
Additional practice locations (1)
- 600 Highland Ave # H4-831Madison, WI 53792-0001Phone: (608) 263-0572Fax: (608) 890-7127
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2020-12-04
- Certified
- 2020-12-04
Frequently asked questions
- What is Andrew Hollatz's NPI number?
- Andrew Hollatz's National Provider Identifier (NPI) is 1154525087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Hollatz's specialty?
- Andrew Hollatz is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Hollatz located?
- Andrew Hollatz's practice location on file with NPPES is 915 E 1st St, Duluth, MN 55805-2107.
- What is Andrew Hollatz's phone number?
- The practice phone number listed in the NPPES registry for Andrew Hollatz is (218) 249-5352.
- Does Andrew Hollatz accept Medicare?
- Andrew Hollatz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Hollatz's NPI active?
- Yes — Andrew Hollatz's NPI (1154525087) is active in the NPPES registry as of the last update on 2020-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.