Wilhelm Okken, CRNA
NPI 1689007775 · Certified Registered Nurse Anesthetist · Jackson, MI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wilhelm Okken, CRNA is a Certified Registered Nurse Anesthetist provider in Jackson, MI (NPI 1689007775).
Provider details
- NPI number
- 1689007775
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- RN516206L (PR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
106 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 Procedure for Total Knee Joint Replacement01402 | 31 | $179 |
| Anesthesia for Open Or Endoscopic Total Shoulder Joint Replacement01638 | 22 | $253 |
| Anesthesia for Other Procedure on Lower Spine00630 | 14 | $214 |
| Anesthesia for Exam of Knee Joint Using an Endoscope01382 | 14 | $80 |
| Anesthesia for Total Hip Replacement01214 | 13 | $175 |
| Anesthesia for Other Procedure Or Exam of Knee Joint Using an Endoscope01400 | 12 | $124 |
Typical Medicare-allowed amounts for these services range $80–$253 (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
Registry dates
- Enumerated
- 2013-08-13
- Last updated
- 2013-08-13
Frequently asked questions
- What is Wilhelm Okken's NPI number?
- Wilhelm Okken's National Provider Identifier (NPI) is 1689007775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilhelm Okken's specialty?
- Wilhelm Okken is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wilhelm Okken located?
- Wilhelm Okken's practice location on file with NPPES is 255 W Michigan Ave, Jackson, MI 49201-2218.
- What is Wilhelm Okken's phone number?
- The practice phone number listed in the NPPES registry for Wilhelm Okken is (800) 516-5315.
- Does Wilhelm Okken accept Medicare?
- Wilhelm Okken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wilhelm Okken's NPI active?
- Yes — Wilhelm Okken's NPI (1689007775) is active in the NPPES registry as of the last update on 2013-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.