John Shallat
NPI 1942381306 · Internal Medicine Physician · Peoria, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Shallat is a Internal Medicine Physician provider in Peoria, IL (NPI 1942381306).
Provider details
- NPI number
- 1942381306
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 61 | 26 |
| Amlodipine Besylate | 49 | 26 |
| Levothyroxine Sodium | 48 | 23 |
| Morphine Sulfate | 43 | 38 |
| Losartan Potassium | 43 | 25 |
| Lorazepam | 35 | 31 |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Shallat's NPI number?
- John Shallat's National Provider Identifier (NPI) is 1942381306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Shallat's specialty?
- John Shallat is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Shallat located?
- John Shallat's practice location on file with NPPES is 200 E Pennsylvania Ave, Peoria, IL 61603-3089.
- What is John Shallat's phone number?
- The practice phone number listed in the NPPES registry for John Shallat is (309) 655-7990.
- Does John Shallat accept Medicare?
- John Shallat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Shallat's NPI active?
- Yes — John Shallat's NPI (1942381306) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.