Michael Wilcox, M.D.
NPI 1881668655 · Internal Medicine Physician · Walla Walla, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Wilcox, M.D. is a Internal Medicine Physician provider in Walla Walla, WA (NPI 1881668655).
Provider details
- NPI number
- 1881668655
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00034335 (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
811 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 195 | $14 |
| Screening 3d Breast Mammography77063 | 190 | $24 |
| Screening Mammography77067 | 190 | $94 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 74 | $14 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 64 | $30 |
| X-Ray of Chest, 2 Views71046 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 171 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 559 | 153 |
| Levothyroxine Sodium | 473 | 118 |
| Losartan Potassium | 396 | 103 |
| Amlodipine Besylate | 316 | 87 |
| Lisinopril | 303 | 80 |
| Tamsulosin Hcl | 276 | 56 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,067 across 46 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
- 2006-02-16
- Last updated
- 2007-11-27
Frequently asked questions
- What is Michael Wilcox's NPI number?
- Michael Wilcox's National Provider Identifier (NPI) is 1881668655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Wilcox's specialty?
- Michael Wilcox is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Wilcox located?
- Michael Wilcox's practice location on file with NPPES is 55 W Tietan St, Walla Walla, WA 99362-4445.
- What is Michael Wilcox's phone number?
- The practice phone number listed in the NPPES registry for Michael Wilcox is (509) 525-3720.
- Does Michael Wilcox accept Medicare?
- Michael Wilcox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Wilcox's NPI active?
- Yes — Michael Wilcox's NPI (1881668655) is active in the NPPES registry as of the last update on 2007-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.