Louise Hillen, MD
NPI 1558725085 · Anesthesiology Physician · Plymouth, MN
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louise Hillen, MD is a Anesthesiology Physician provider in Plymouth, MN (NPI 1558725085).
Provider details
- NPI number
- 1558725085
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- AN5240394 (IL)
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
10 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
157 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) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 44 | $54 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 32 | $148 |
| Anesthesia for Total Hip Replacement01214 | 31 | $157 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 26 | $65 |
| Anesthesia for Other Procedure on Top of Arm Bone and Shoulder Joint01630 | 13 | $130 |
| Other Procedure on Nervous System64999 | 11 | $24 |
Typical Medicare-allowed amounts for these services range $24–$157 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 251 E Huron StChicago, IL 60611-2908Phone: (612) 801-7285
Registry dates
- Enumerated
- 2016-04-11
- Last updated
- 2021-09-07
- Certified
- 2021-09-07
Frequently asked questions
- What is Louise Hillen's NPI number?
- Louise Hillen's National Provider Identifier (NPI) is 1558725085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louise Hillen's specialty?
- Louise Hillen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Louise Hillen located?
- Louise Hillen's practice location on file with NPPES is 14700 28th Ave N Ste 20, Plymouth, MN 55447-4876.
- What is Louise Hillen's phone number?
- The practice phone number listed in the NPPES registry for Louise Hillen is (763) 559-3779.
- Does Louise Hillen accept Medicare?
- Louise Hillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louise Hillen's NPI active?
- Yes — Louise Hillen's NPI (1558725085) is active in the NPPES registry as of the last update on 2021-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.