Nicolas Nassar, MD
Pulmonary Disease Physician · San Bernardino, CA
Nicolas Nassar, MD is a pulmonary disease physician with a practice address in San Bernardino, California, and NPI 1104851609, issued on Jul 12, 2006. Check the license (California A76218, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicolas Nassar
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A76218 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1881 Commercenter E Ste 118, San Bernardino, CA 92408
- Phone
- (909) 886-1600
- Enumerated
- Jul 12, 2006
- Record last updated
- Aug 26, 2025
- Fax
- (909) 886-7788
- Medicaid ID
- 00A762180 CA
- Medicare enrollment
- Enrolled (PECOS I20031205000279); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Verify Nicolas Nassar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
1,211 Medicare Part D claims for 177 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Albuterol Sulfate Hfa249 claims
- Ipratropium-Albuterol241 claims
- Chlorhexidine Gluconate109 claims
- Levalbuterol Hcl75 claims
- Albuterol Sulfate58 claims
- Budesonide46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Nicolas Nassar among 1,443 pulmonary disease physician records in California
Nicolas Nassar, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1995 · median 2002 among the 1,061 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in San Bernardino → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Elaine Cristan, M.D.San Bernardino, CA 924041477812089
- Victor Fu, M.D.San Bernardino, CA 924041548295371
- Sameh Hanna, M.D.San Bernardino, CA 924041326112913
- Jason Lin, MDSan Bernardino, CA 924041588634059
- Arturo Vega, M.D.San Bernardino, CA 924041710194626
- Paresh Giri, M.D.Yucaipa, CA 923991346497245
- Roger Seheult, M.D.Yucaipa, CA 923991134217235
- Tigran Stepanyan, D.O.Yucaipa, CA 923991982906756
Common questions
What is Nicolas Nassar, MD's NPI number?
Nicolas Nassar, MD's National Provider Identifier (NPI) is 1104851609, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nicolas Nassar, MD located?
The NPPES record lists a practice address at 1881 Commercenter E Ste 118, San Bernardino, CA, 92408. Phone: (909) 886-1600. Providers update this record themselves, so call before visiting.
How can I verify Nicolas Nassar, MD's license?
NPPES lists California license number A76218, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicolas Nassar, MD prescribe under Medicare Part D?
In 2024, Nicolas Nassar, MD had 1,211 Medicare Part D claims for 177 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Nicolas Nassar, MD's MIPS final score?
The 2023 MIPS final score is 3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.