William Hogan, MD
NPI 1164527263 · Psychiatry Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hogan, MD is a Psychiatry Physician provider in Knoxville, TN (NPI 1164527263).
Provider details
- NPI number
- 1164527263
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD0000014221 (TN)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
394 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 394 | $112 |
Typical Medicare-allowed amounts for these services range $112–$112 (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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 449 | 97 |
| Quetiapine Fumarate | 368 | 69 |
| Lamotrigine | 298 | 56 |
| Lorazepam | 296 | 49 |
| Clonazepam | 283 | 36 |
| Bupropion Hclbrand: Bupropion Xl | 247 | 50 |
| Diazepam | 203 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2017-01-10
Frequently asked questions
- What is William Hogan's NPI number?
- William Hogan's National Provider Identifier (NPI) is 1164527263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hogan's specialty?
- William Hogan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Hogan located?
- William Hogan's practice location on file with NPPES is 1432 Hickey Rd, Knoxville, TN 37932-2017.
- What is William Hogan's phone number?
- The practice phone number listed in the NPPES registry for William Hogan is (865) 539-4000.
- Does William Hogan accept Medicare?
- William Hogan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hogan's NPI active?
- Yes — William Hogan's NPI (1164527263) is active in the NPPES registry as of the last update on 2017-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.