Jeffrey Sponsler, M.D.
NPI 1538206164 · Specialist · Wasilla, AK
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Sponsler, M.D. is a Specialist provider in Wasilla, AK (NPI 1538206164).
Provider details
- NPI number
- 1538206164
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5128 (AK)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,579 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 206 | $147 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 139 | $260 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 131 | $108 |
| Measurement of Brain Wave Activity (eeg), 41-60 Minutes95812 | 115 | $358 |
| Nerve Conduction, 9-10 Studies95911 | 101 | $245 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 89 | 20 |
| Topiramate | 85 | 17 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 32 | 12 |
| Donepezil Hcl | 29 | — |
| Oxcarbazepine | 24 | — |
| Gabapentin | 20 | — |
| Lamotrigine | 20 | — |
| Dalfampridine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,734 across 70 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
- 2007-01-31
- Last updated
- 2012-10-17
Frequently asked questions
- What is Jeffrey Sponsler's NPI number?
- Jeffrey Sponsler's National Provider Identifier (NPI) is 1538206164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Sponsler's specialty?
- Jeffrey Sponsler is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Jeffrey Sponsler located?
- Jeffrey Sponsler's practice location on file with NPPES is 4551 E Bogard Rd, Wasilla, AK 99654-6075.
- What is Jeffrey Sponsler's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Sponsler is (907) 373-6500.
- Does Jeffrey Sponsler accept Medicare?
- Jeffrey Sponsler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Sponsler's NPI active?
- Yes — Jeffrey Sponsler's NPI (1538206164) is active in the NPPES registry as of the last update on 2012-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.