John Shallat, MD
NPI 1538379599 · Emergency Medicine Physician · Deer Park, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Shallat, MD is a Emergency Medicine Physician provider in Deer Park, NY (NPI 1538379599).
Provider details
- NPI number
- 1538379599
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 219990-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
768 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 364 | $103 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 152 | $68 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 68 | $128 |
| Automated Urinalysis Test81003 | 54 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $146 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
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 |
|---|---|---|
| Azithromycin | 97 | 97 |
| Fluticasone Propionate | 92 | 77 |
| Prednisone | 84 | 83 |
| Cefdinir | 48 | 47 |
| Amoxicillin | 25 | 24 |
| Ofloxacin | 20 | 20 |
| Doxycycline Hyclate | 17 | 17 |
| Molnupiravirbrand: Lagevrio (eua) | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2019-12-06
Frequently asked questions
- What is John Shallat's NPI number?
- John Shallat's National Provider Identifier (NPI) is 1538379599, 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 Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Shallat located?
- John Shallat's practice location on file with NPPES is 1930 Deer Park Ave, Deer Park, NY 11729-3328.
- What is John Shallat's phone number?
- The practice phone number listed in the NPPES registry for John Shallat is (631) 254-5900.
- 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 (1538379599) is active in the NPPES registry as of the last update on 2019-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.