William Ulrich, PA
NPI 1942537923 · Medical Physician Assistant · Idaho Falls, ID
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ulrich, PA is a Medical Physician Assistant provider in Idaho Falls, ID (NPI 1942537923).
Provider details
- NPI number
- 1942537923
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA-812 (ID)
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 tenure25% of score
16 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
380 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 | 142 | $100 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 85 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $71 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 24 | $11 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $84 |
| X-Ray of Chest, 2 Views71046 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 113 | 27 |
| Atorvastatin Calcium | 88 | 29 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 78 | 22 |
| Omeprazole | 67 | 17 |
| Metformin Hclbrand: Metformin Hcl Er | 66 | 20 |
| Gabapentin | 64 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$541 across 27 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
- 2009-11-11
- Last updated
- 2009-11-11
Frequently asked questions
- What is William Ulrich's NPI number?
- William Ulrich's National Provider Identifier (NPI) is 1942537923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ulrich's specialty?
- William Ulrich is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Ulrich located?
- William Ulrich's practice location on file with NPPES is 1550 Elk Creek Dr, Idaho Falls, ID 83404-8322.
- What is William Ulrich's phone number?
- The practice phone number listed in the NPPES registry for William Ulrich is (208) 529-5942.
- Does William Ulrich accept Medicare?
- William Ulrich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ulrich's NPI active?
- Yes — William Ulrich's NPI (1942537923) is active in the NPPES registry as of the last update on 2009-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.