Peter Hohnstein, MD
NPI 1538104039 · Anesthesiology Physician · Waterloo, IA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Hohnstein, MD is a Anesthesiology Physician provider in Waterloo, IA (NPI 1538104039).
Provider details
- NPI number
- 1538104039
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-32592 (IA)
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
20 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
161 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 Lens Surgery00142 | 50 | $105 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 26 | $57 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 24 | $280 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 18 | $107 |
| Anesthesia for Total Hip Replacement01214 | 17 | $329 |
| Other Procedure on Nervous System64999 | 14 | $30 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus) |
Practice location
Mailing address
Additional practice locations (1)
- 200 Hawkins DrIowa City, IA 52242-1009Phone: (319) 356-2633Fax: (319) 356-2940
Registry dates
- Enumerated
- 2006-06-18
- Last updated
- 2024-07-03
- Certified
- 2024-07-03
Frequently asked questions
- What is Peter Hohnstein's NPI number?
- Peter Hohnstein's National Provider Identifier (NPI) is 1538104039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Hohnstein's specialty?
- Peter Hohnstein is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Hohnstein located?
- Peter Hohnstein's practice location on file with NPPES is 2710 Saint Francis Dr, Waterloo, IA 50702-5619.
- What is Peter Hohnstein's phone number?
- The practice phone number listed in the NPPES registry for Peter Hohnstein is (319) 272-5000.
- Does Peter Hohnstein accept Medicare?
- Peter Hohnstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Hohnstein's NPI active?
- Yes — Peter Hohnstein's NPI (1538104039) is active in the NPPES registry as of the last update on 2024-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.