William Mustain, PH. D.
NPI 1114198181 · Audiologist · Jackson, MS
William Mustain, PH. D. is a Audiologist provider in Jackson, MS (NPI 1114198181).
Provider details
- NPI number
- 1114198181
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- PH. D.
- Sex
- Male
- Sole proprietor
- No
- License
- A0143 (MS)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
45 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) |
|---|---|---|
| Comprehensive Hearing and Speech Recognition Test92557 | 33 | $33 |
| Test to Assess Middle Ear Function92567 | 12 | $14 |
Typical Medicare-allowed amounts for these services range $14–$33 (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
Registry dates
- Enumerated
- 2008-03-18
- Last updated
- 2015-02-12
Frequently asked questions
- What is William Mustain's NPI number?
- William Mustain's National Provider Identifier (NPI) is 1114198181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mustain's specialty?
- William Mustain is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is William Mustain located?
- William Mustain's practice location on file with NPPES is 2500 N State St, Jackson, MS 39216-4500.
- What is William Mustain's phone number?
- The practice phone number listed in the NPPES registry for William Mustain is (601) 984-5160.
- Is William Mustain's NPI active?
- Yes — William Mustain's NPI (1114198181) is active in the NPPES registry as of the last update on 2015-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.