Benjamin Leach, MD
NPI 1508053174 · Internal Medicine Physician · Walla Walla, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Leach, MD is a Internal Medicine Physician provider in Walla Walla, WA (NPI 1508053174).
Provider details
- NPI number
- 1508053174
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- LL16175 (OR)
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
18 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
695 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 354 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 145 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 87 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 42 | $169 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 42 | $48 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 26 | 12 |
| Cefdinir | 25 | 24 |
| Atorvastatin Calcium | 22 | 13 |
| Apixabanbrand: Eliquis | 19 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 16 | 13 |
| Metoprolol Succinate | 15 | 12 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$165 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
- 2007-09-27
- Last updated
- 2012-03-22
Frequently asked questions
- What is Benjamin Leach's NPI number?
- Benjamin Leach's National Provider Identifier (NPI) is 1508053174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Leach's specialty?
- Benjamin Leach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Leach located?
- Benjamin Leach's practice location on file with NPPES is 401 W Poplar St, Walla Walla, WA 99362-2846.
- What is Benjamin Leach's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Leach is (509) 522-5145.
- Does Benjamin Leach accept Medicare?
- Benjamin Leach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Leach's NPI active?
- Yes — Benjamin Leach's NPI (1508053174) is active in the NPPES registry as of the last update on 2012-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.