Benjamin Zerngast, MD
NPI 1134157159 · Anesthesiology Physician · Tacoma, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Zerngast, MD is a Anesthesiology Physician provider in Tacoma, WA (NPI 1134157159).
Provider details
- NPI number
- 1134157159
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00038551 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
39 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 16 | $42 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 12 | $137 |
| Anesthesia for Procedure on Chest With 1 Lung Inflated00541 | 11 | $501 |
Typical Medicare-allowed amounts for these services range $42–$501 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 1 record (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
- 2006-06-29
- Last updated
- 2010-03-22
Frequently asked questions
- What is Benjamin Zerngast's NPI number?
- Benjamin Zerngast's National Provider Identifier (NPI) is 1134157159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Zerngast's specialty?
- Benjamin Zerngast is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Zerngast located?
- Benjamin Zerngast's practice location on file with NPPES is 1717 S J St, Tacoma, WA 98405-4933.
- What is Benjamin Zerngast's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Zerngast is (253) 426-6625.
- Does Benjamin Zerngast accept Medicare?
- Benjamin Zerngast is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Zerngast's NPI active?
- Yes — Benjamin Zerngast's NPI (1134157159) is active in the NPPES registry as of the last update on 2010-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.