Nicolas Nassar, MD
NPI 1104851609 · Pulmonary Disease Physician · San Bernardino, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicolas Nassar, MD is a Pulmonary Disease Physician provider in San Bernardino, CA (NPI 1104851609).
Provider details
- NPI number
- 1104851609
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A76218 (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
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
10,581 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 4,889 | $70 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 4,548 | $101 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 419 | $110 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 322 | $170 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 191 | $73 |
| Critical Care, First 30-74 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 249 | 52 |
| Ipratropium/Albuterol Sulfatebrand: Ipratropium-Albuterol | 241 | 47 |
| Chlorhexidine Gluconate | 109 | 27 |
| Levalbuterol Hcl | 75 | — |
| Albuterol Sulfate | 58 | 11 |
| Budesonide | 46 | — |
| Scopolamine | 30 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2025-08-26
- Certified
- 2025-08-26
Frequently asked questions
- What is Nicolas Nassar's NPI number?
- Nicolas Nassar's National Provider Identifier (NPI) is 1104851609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicolas Nassar's specialty?
- Nicolas Nassar is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nicolas Nassar located?
- Nicolas Nassar's practice location on file with NPPES is 1881 Commercenter E Ste 118, San Bernardino, CA 92408-3442.
- What is Nicolas Nassar's phone number?
- The practice phone number listed in the NPPES registry for Nicolas Nassar is (909) 886-1600.
- Does Nicolas Nassar accept Medicare?
- Nicolas Nassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicolas Nassar's NPI active?
- Yes — Nicolas Nassar's NPI (1104851609) is active in the NPPES registry as of the last update on 2025-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.