Walter Jacobsen, DO
NPI 1649419169 · Neurological Surgery Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Jacobsen, DO is a Neurological Surgery Physician provider in Milwaukee, WI (NPI 1649419169).
Provider details
- NPI number
- 1649419169
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 02004152A (IN)
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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,035 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $113 |
| Fusion of Additional Segment of Spine22614 | 128 | $325 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 118 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 106 | $152 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 78 | $199 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,091 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-05
- Last updated
- 2023-09-27
- Certified
- 2023-09-27
Frequently asked questions
- What is Walter Jacobsen's NPI number?
- Walter Jacobsen's National Provider Identifier (NPI) is 1649419169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Jacobsen's specialty?
- Walter Jacobsen is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Jacobsen located?
- Walter Jacobsen's practice location on file with NPPES is 2901 W Kinnickinnic River Pkwy Ste 102, Milwaukee, WI 53215-3660.
- What is Walter Jacobsen's phone number?
- The practice phone number listed in the NPPES registry for Walter Jacobsen is (414) 646-8000.
- Does Walter Jacobsen accept Medicare?
- Walter Jacobsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Jacobsen's NPI active?
- Yes — Walter Jacobsen's NPI (1649419169) is active in the NPPES registry as of the last update on 2023-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.