William Sing, AGACNP-BC, FNP-BC
NPI 1598445801 · Nurse Practitioner · Memphis, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sing, AGACNP-BC, FNP-BC is a Nurse Practitioner provider in Memphis, TN (NPI 1598445801).
Provider details
- NPI number
- 1598445801
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGACNP-BC, FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 34300 (TN)
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 tenure28% of score
2 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
120 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 75 | $94 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 31 | $138 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 14 | $6 |
Typical Medicare-allowed amounts for these services range $6–$138 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodium | 70 | 69 |
| Methocarbamol | 43 | 43 |
| Tramadol Hcl | 28 | 28 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 18 | 18 |
| Cephalexin | 15 | 15 |
| Hydroxyzine Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-07-20
- Last updated
- 2023-07-22
- Certified
- 2023-07-22
Frequently asked questions
- What is William Sing's NPI number?
- William Sing's National Provider Identifier (NPI) is 1598445801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sing's specialty?
- William Sing is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Sing located?
- William Sing's practice location on file with NPPES is 1300 Wesley Dr, Memphis, TN 38116-6426.
- What is William Sing's phone number?
- The practice phone number listed in the NPPES registry for William Sing is (901) 516-3700.
- Does William Sing accept Medicare?
- William Sing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sing's NPI active?
- Yes — William Sing's NPI (1598445801) is active in the NPPES registry as of the last update on 2023-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.