Philip Slack, MD
NPI 1639113095 · Pain Medicine (Anesthesiology) Physician · Gainesville, GA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Slack, MD is a Pain Medicine (Anesthesiology) Physician provider in Gainesville, GA (NPI 1639113095).
Provider details
- NPI number
- 1639113095
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 035523 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,661 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 | 259 | $118 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Single Level64493 | 173 | $221 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Second Level64494 | 169 | $114 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 163 | $243 |
| Fluoroscopic Guidance for Needle Placement77002 | 116 | $102 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Each Additional Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 840 | 161 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 788 | 107 |
| Gabapentin | 423 | 123 |
| Diazepam | 371 | 259 |
| Tramadol Hcl | 328 | 110 |
| Pregabalin | 229 | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2020-10-06
- Certified
- 2020-10-06
Frequently asked questions
- What is Philip Slack's NPI number?
- Philip Slack's National Provider Identifier (NPI) is 1639113095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Slack's specialty?
- Philip Slack is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Slack located?
- Philip Slack's practice location on file with NPPES is 1315 Jesse Jewell Pkwy Ne Ste 300, Gainesville, GA 30501-3822.
- What is Philip Slack's phone number?
- The practice phone number listed in the NPPES registry for Philip Slack is (770) 219-6520.
- Does Philip Slack accept Medicare?
- Philip Slack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Slack's NPI active?
- Yes — Philip Slack's NPI (1639113095) is active in the NPPES registry as of the last update on 2020-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.