David F. Larosa, MD
Allergy & Immunology Physician · Philadelphia, PA
David F. Larosa, MD is an allergy & immunology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1871704627, issued on May 24, 2007. Check the license (Pennsylvania MD421039, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David F. Larosa
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- MD421039 PA
25MA09085000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Chestnut St FL 17, Philadelphia, PA 19107
- Phone
- (215) 955-7410
- Enumerated
- May 24, 2007
- Record last updated
- Jul 31, 2025
- Fax
- (215) 923-8230
- Medicare enrollment
- Enrolled (PECOS I20090806000045); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2000
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 183 in Pennsylvania → Look up another NPI →
Also registered at 1101 Chestnut St FL 17
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ashley SammaritanoFamily Nurse Practitioner1275106718
- Neeraj Sinha, MDPulmonary Disease Physician1891745543
Verify David F. Larosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD421039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average allergy & immunology physician in 2024
1,880 Medicare Part D claims for 281 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Montelukast Sodium229 claims
- Azelastine Hcl203 claims
- Famotidine116 claims
- Ipratropium Bromide116 claims
- Levocetirizine Dihydrochloride112 claims
- Fluticasone Propionate109 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): 24.5 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).
Bills Medicare through one group practice
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David F. Larosa among 183 allergy & immunology physician records in Pennsylvania
David F. Larosa, MD is one of 183 allergy & immunology physician records with a practice address in Pennsylvania. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2000 · median 2000 among the 109 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Pennsylvania
There are 183 allergy & immunology physician records in Pennsylvania.
All 183 in Pennsylvania → Every provider in Philadelphia → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- John Cohn, M.D.Philadelphia, PA 191071104819150
- Magee Defelice, MDPhiladelphia, PA 191071194854851
- Donald Dvorin, M.D.Philadelphia, PA 191071316095664
- Raquel Empedrad, M.D.Philadelphia, PA 191071902896988
- Marc Goldstein, M.D.Philadelphia, PA 191071093863334
- Nancy Gordon, M.D.Philadelphia, PA 191071679621734
- Irene Haralabatos, M.D.Philadelphia, PA 191071386792430
- Juen Kim, M.D.Philadelphia, PA 191071578862413
Common questions
What is David F. Larosa, MD's NPI number?
David F. Larosa, MD's National Provider Identifier (NPI) is 1871704627, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David F. Larosa, MD located?
The NPPES record lists a practice address at 1101 Chestnut St FL 17, Philadelphia, PA, 19107. Phone: (215) 955-7410. Providers update this record themselves, so call before visiting.
How can I verify David F. Larosa, MD's license?
NPPES lists Pennsylvania license number MD421039, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David F. Larosa, MD prescribe under Medicare Part D?
In 2024, David F. Larosa, MD had 1,880 Medicare Part D claims for 281 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is David F. Larosa, MD's MIPS final score?
The 2023 MIPS final score is 24.5 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.