Joseph Halphen, PAC
NPI 1336336668 · Physician Assistant · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Halphen, PAC is a Physician Assistant provider in Baton Rouge, LA (NPI 1336336668).
Provider details
- NPI number
- 1336336668
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Male
- Sole proprietor
- No
- License
- PA200130 (LA)
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
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
286 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 | 139 | $101 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 73 | $55 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 | $132 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 19 | $21 |
| X-Ray of Knee, 4 Or More Views73564 | 16 | $27 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Celecoxib | 243 | 103 |
| Gabapentin | 141 | 50 |
| Prednisone | 127 | 78 |
| Methocarbamol | 90 | 48 |
| Nabumetone | 87 | 49 |
| Meloxicam | 78 | 37 |
| Baclofen | 75 | 36 |
| Tramadol Hcl | 58 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-01
- Last updated
- 2011-02-23
Frequently asked questions
- What is Joseph Halphen's NPI number?
- Joseph Halphen's National Provider Identifier (NPI) is 1336336668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Halphen's specialty?
- Joseph Halphen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Halphen located?
- Joseph Halphen's practice location on file with NPPES is 7301 Hennessy Blvd, Baton Rouge, LA 70808.
- What is Joseph Halphen's phone number?
- The practice phone number listed in the NPPES registry for Joseph Halphen is (225) 766-0050.
- Does Joseph Halphen accept Medicare?
- Joseph Halphen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Halphen's NPI active?
- Yes — Joseph Halphen's NPI (1336336668) is active in the NPPES registry as of the last update on 2011-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.