Walter Boyle, MD
NPI 1093733727 · Critical Care Medicine (Anesthesiology) Physician · Mendocino, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Boyle, MD is a Critical Care Medicine (Anesthesiology) Physician provider in Mendocino, CA (NPI 1093733727).
Provider details
- NPI number
- 1093733727
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.148697 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 42 | 15 |
| Amlodipine Besylate | 24 | — |
| Omeprazole | 18 | — |
| Atorvastatin Calcium | 17 | — |
| Rosuvastatin Calcium | 14 | — |
| Benazepril Hcl | 12 | — |
| Simvastatin | 12 | — |
Practice location
Mailing address
Additional practice locations (2)
- 5147 Shaw AveSaint Louis, MO 63110-3039Phone: (314) 324-3425
- 1 Barnes Jewish Hospital PlzSaint Louis, MO 63110-1003Phone: (314) 362-6973Fax: (314) 362-1185
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2022-05-11
- Certified
- 2022-05-11
Frequently asked questions
- What is Walter Boyle's NPI number?
- Walter Boyle's National Provider Identifier (NPI) is 1093733727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Boyle's specialty?
- Walter Boyle is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Boyle located?
- Walter Boyle's practice location on file with NPPES is 44791 Baywood Dr, Mendocino, CA 95460-9527.
- What is Walter Boyle's phone number?
- The practice phone number listed in the NPPES registry for Walter Boyle is (314) 324-3425.
- Does Walter Boyle accept Medicare?
- Walter Boyle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Boyle's NPI active?
- Yes — Walter Boyle's NPI (1093733727) is active in the NPPES registry as of the last update on 2022-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.