William Loong, PA-C
NPI 1326415563 · Physician Assistant · Cartersville, GA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Loong, PA-C is a Physician Assistant provider in Cartersville, GA (NPI 1326415563).
Provider details
- NPI number
- 1326415563
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 8082 (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
447 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 289 | $102 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 146 | $11 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 12 | $12 |
Typical Medicare-allowed amounts for these services range $11–$102 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 416 | 142 |
| Apixabanbrand: Eliquis | 415 | 102 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 367 | 119 |
| Atorvastatin Calcium | 364 | 132 |
| Furosemide | 351 | 127 |
| Metoprolol Succinate | 341 | 114 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,676 across 65 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
- 2015-08-24
- Last updated
- 2025-05-12
- Certified
- 2025-05-12
Frequently asked questions
- What is William Loong's NPI number?
- William Loong's National Provider Identifier (NPI) is 1326415563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Loong's specialty?
- William Loong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Loong located?
- William Loong's practice location on file with NPPES is 150 Gentilly Blvd, Cartersville, GA 30120-8522.
- What is William Loong's phone number?
- The practice phone number listed in the NPPES registry for William Loong is (770) 606-8359.
- Does William Loong accept Medicare?
- William Loong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Loong's NPI active?
- Yes — William Loong's NPI (1326415563) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.