William Hallowes, MD
NPI 1407873169 · Anesthesiology Physician · Gainesville, GA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hallowes, MD is a Anesthesiology Physician provider in Gainesville, GA (NPI 1407873169).
Provider details
- NPI number
- 1407873169
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 035893 (GA)
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
19 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
127 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) |
|---|---|---|
| Anesthesia for Other Procedure on Upper Abdomen00790 | 29 | $158 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 18 | $138 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 16 | $73 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 16 | $76 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 13 | $60 |
| Injection of Local Anesthetic for Abdominal Wall Pain Control on Both Sides Using Imaging Guidance64488 | 13 | $63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 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
- 2006-07-17
- Last updated
- 2012-04-03
Frequently asked questions
- What is William Hallowes's NPI number?
- William Hallowes's National Provider Identifier (NPI) is 1407873169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hallowes's specialty?
- William Hallowes is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Hallowes located?
- William Hallowes's practice location on file with NPPES is 743 Spring St Ne, Gainesville, GA 30501-3715.
- What is William Hallowes's phone number?
- The practice phone number listed in the NPPES registry for William Hallowes is (770) 532-7179.
- Does William Hallowes accept Medicare?
- William Hallowes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hallowes's NPI active?
- Yes — William Hallowes's NPI (1407873169) is active in the NPPES registry as of the last update on 2012-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.