Simon Shamass, MD
NPI 1851718738 · Emergency Medicine Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simon Shamass, MD is a Emergency Medicine Physician provider in Modesto, CA (NPI 1851718738).
Provider details
- NPI number
- 1851718738
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A171931 (CA)
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
12 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
748 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 230 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 130 | $91 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 77 | $15 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 74 | $167 |
| Automated Urinalysis Test81003 | 72 | $2 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 95 | 90 |
| Doxycycline Monohydrate | 60 | 57 |
| Azithromycin | 50 | 47 |
| Mupirocin | 48 | 45 |
| Prednisone | 46 | 44 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 44 | 43 |
| Ibuprofen | 26 | 25 |
| Ofloxacin | 26 |
Practice location
Mailing address
Additional practice locations (1)
- 1542 Tulane Ave Rm 444New Orleans, LA 70112-2865Phone: (504) 568-4624
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2025-06-05
- Certified
- 2025-06-05
Frequently asked questions
- What is Simon Shamass's NPI number?
- Simon Shamass's National Provider Identifier (NPI) is 1851718738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Shamass's specialty?
- Simon Shamass is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Simon Shamass located?
- Simon Shamass's practice location on file with NPPES is 600 Coffee Rd, Modesto, CA 95355-4201.
- What is Simon Shamass's phone number?
- The practice phone number listed in the NPPES registry for Simon Shamass is (209) 550-4777.
- Does Simon Shamass accept Medicare?
- Simon Shamass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simon Shamass's NPI active?
- Yes — Simon Shamass's NPI (1851718738) is active in the NPPES registry as of the last update on 2025-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.