Rebecca Aleck, D.O.
NPI 1598030603 · Hospitalist Physician · Siloam Springs, AR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Aleck, D.O. is a Hospitalist Physician provider in Siloam Springs, AR (NPI 1598030603).
Provider details
- NPI number
- 1598030603
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- E-9279 (AR)
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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
57 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 39 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 18 | $72 |
Typical Medicare-allowed amounts for these services range $72–$108 (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.
Practice location
Mailing address
Additional practice locations (1)
- 336 S Jefferson StNeosho, MO 64850-1769Phone: (417) 455-4200
Registry dates
- Enumerated
- 2012-03-22
- Last updated
- 2018-08-27
Frequently asked questions
- What is Rebecca Aleck's NPI number?
- Rebecca Aleck's National Provider Identifier (NPI) is 1598030603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Aleck's specialty?
- Rebecca Aleck is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Aleck located?
- Rebecca Aleck's practice location on file with NPPES is 603 N Progress Ave, Siloam Springs, AR 72761.
- What is Rebecca Aleck's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Aleck is (479) 524-4141.
- Does Rebecca Aleck accept Medicare?
- Rebecca Aleck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Aleck's NPI active?
- Yes — Rebecca Aleck's NPI (1598030603) is active in the NPPES registry as of the last update on 2018-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.