Arnold Weekes, MD
NPI 1023057833 · Anesthesiology Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnold Weekes, MD is a Anesthesiology Physician provider in Antioch, CA (NPI 1023057833).
Provider details
- NPI number
- 1023057833
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 775521 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
149 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 49 | $150 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 48 | $142 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 18 | $181 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 18 | $160 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 16 | $305 |
Typical Medicare-allowed amounts for these services range $142–$305 (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.
Practice location
Mailing address
Additional practice locations (1)
- 3901 Lone Tree Way Ste 201Antioch, CA 94509-6200Phone: (925) 756-3400Fax: (925) 754-6387
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2019-07-31
Frequently asked questions
- What is Arnold Weekes's NPI number?
- Arnold Weekes's National Provider Identifier (NPI) is 1023057833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnold Weekes's specialty?
- Arnold Weekes is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Arnold Weekes located?
- Arnold Weekes's practice location on file with NPPES is 4053 Lone Tree Way Ste 201, Antioch, CA 94531-6210.
- What is Arnold Weekes's phone number?
- The practice phone number listed in the NPPES registry for Arnold Weekes is (925) 756-3400.
- Does Arnold Weekes accept Medicare?
- Arnold Weekes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnold Weekes's NPI active?
- Yes — Arnold Weekes's NPI (1023057833) is active in the NPPES registry as of the last update on 2019-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.