Vance Stock, M.D.
NPI 1255369286 · Emergency Medical Services (Emergency Medicine) Physician · Siloam Springs, AR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vance Stock, M.D. is a Emergency Medical Services (Emergency Medicine) Physician provider in Siloam Springs, AR (NPI 1255369286).
Provider details
- NPI number
- 1255369286
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E0324 (AR)
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
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
381 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 213 | $157 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 89 | $108 |
| Critical Care, First 30-74 Minutes99291 | 68 | $193 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 11 | $65 |
Typical Medicare-allowed amounts for these services range $65–$193 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 76 | 76 |
| Cefdinir | 58 | 57 |
| Ondansetronbrand: Ondansetron Odt | 55 | 55 |
| Prednisone | 25 | 25 |
| Ondansetron Hcl | 22 | 22 |
| Diclofenac Sodium | 19 | 19 |
| Doxycycline Hyclate | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2006-06-29
- Last updated
- 2009-09-24
Frequently asked questions
- What is Vance Stock's NPI number?
- Vance Stock's National Provider Identifier (NPI) is 1255369286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vance Stock's specialty?
- Vance Stock is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Vance Stock located?
- Vance Stock's practice location on file with NPPES is 205 E Jefferson St, Siloam Springs, AR 72761-3629.
- What is Vance Stock's phone number?
- The practice phone number listed in the NPPES registry for Vance Stock is (479) 524-4141.
- Does Vance Stock accept Medicare?
- Vance Stock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vance Stock's NPI active?
- Yes — Vance Stock's NPI (1255369286) is active in the NPPES registry as of the last update on 2009-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.