William Hollifield, M.D.
NPI 1912202458 · Addiction Psychiatry Physician · Gainesville, FL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hollifield, M.D. is a Addiction Psychiatry Physician provider in Gainesville, FL (NPI 1912202458).
Provider details
- NPI number
- 1912202458
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME108282 (FL)
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
15 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
41 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 | 41 | $125 |
Typical Medicare-allowed amounts for these services range $125–$125 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 108 | 14 |
| Buprenorphine Hcl | 45 | — |
| Ibuprofen | 40 | — |
| Gabapentin | 37 | — |
| Trazodone Hcl | 19 | — |
| Methocarbamol | 12 | — |
| Buprenorphine Hcl/Naloxone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-13
- Last updated
- 2012-12-03
Frequently asked questions
- What is William Hollifield's NPI number?
- William Hollifield's National Provider Identifier (NPI) is 1912202458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hollifield's specialty?
- William Hollifield is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Hollifield located?
- William Hollifield's practice location on file with NPPES is 1600 Sw Archer Rd, Gainesville, FL 32610-0256.
- What is William Hollifield's phone number?
- The practice phone number listed in the NPPES registry for William Hollifield is (352) 265-7999.
- Does William Hollifield accept Medicare?
- William Hollifield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hollifield's NPI active?
- Yes — William Hollifield's NPI (1912202458) is active in the NPPES registry as of the last update on 2012-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.