Joseph Cahill, M.D.
NPI 1427346766 · Neurology Physician · Rhinelander, WI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Cahill, M.D. is a Neurology Physician provider in Rhinelander, WI (NPI 1427346766).
Provider details
- NPI number
- 1427346766
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 60564 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
562 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 182 | $169 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $88 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 50 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 41 | $116 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 79 | 15 |
| Celecoxib | 33 | — |
| Gabapentin | 29 | — |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 28 | — |
| Donepezil Hcl | 23 | 11 |
| Levetiracetam | 19 | — |
| Pregabalin | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$487 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-20
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Joseph Cahill's NPI number?
- Joseph Cahill's National Provider Identifier (NPI) is 1427346766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Cahill's specialty?
- Joseph Cahill is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Cahill located?
- Joseph Cahill's practice location on file with NPPES is 2251 N Shore Dr, Rhinelander, WI 54501-6713.
- What is Joseph Cahill's phone number?
- The practice phone number listed in the NPPES registry for Joseph Cahill is (715) 361-4560.
- Does Joseph Cahill accept Medicare?
- Joseph Cahill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Cahill's NPI active?
- Yes — Joseph Cahill's NPI (1427346766) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.