Christopher John Larosa, MD
Pediatric Nephrology Physician · Philadelphia, PA
Christopher John Larosa, MD is a pediatric nephrology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1063623544, issued on May 25, 2007. Check the license (Pennsylvania MD431123, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christopher John Larosa
- Credential
- MD
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License number
- MD431123 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Civic Center Blvd, Philadelphia, PA 19104
- Phone
- (215) 590-1000
- Enumerated
- May 25, 2007
- Record last updated
- Dec 4, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (215) 590-3992
- Medicaid ID
- 1025158900008 PA
- Medicare enrollment
- Enrolled (PECOS I20161118000388); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest pediatric nephrology physician records → All 60 in Pennsylvania → Look up another NPI →
Also registered at 3500 Civic Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Casey Adams, CRNPPediatric Nurse Practitioner1326678848
- Samuel Alperin, MDNeurology with Special Qualifications in Child Neurology Physician1326570284
- Angela AndersonChild & Adolescent Psychiatry Physician1720421530
- Kaley Arnold, MS, LCGCGenetic Counselor (M.S.)1568229011
- Brianna Berlin, MS, LCGCGenetic Counselor (M.S.)1841056769
- Katharine Bouser, MS, CCC-SLPSpeech-Language Pathologist1922956523
Verify Christopher John Larosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD431123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average pediatric nephrology physician in 2024
33 Medicare Part D claims, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Losartan Potassium17 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.
Industry payments in 2024: $750.00
1 payment: consulting fee; the largest payer was Merck Sharp & Dohme LLC. The 297 providers of this specialty with any payment received $3,704.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Childrens Health Care Associates IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher John Larosa among 60 pediatric nephrology physician records in Pennsylvania
Christopher John Larosa, MD is one of 60 pediatric nephrology physician records with a practice address in Pennsylvania. 55% 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 33% of them.
- NPI issued2007 · 33% of these records are older, 50% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2004 · median 2004 among the 26 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0210X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nephrology Physician providers in Pennsylvania
There are 60 pediatric nephrology physician records in Pennsylvania.
All 60 in Pennsylvania → Every provider in Philadelphia → Pediatric Nephrology Physician nationwide →
The 8 pediatric nephrology physician records with the nearest ZIP codes
- Sandra Amaral, MD, MHSPhiladelphia, PA 191041700824877
- Hobart Baluarte, M.D.Philadelphia, PA 191041477573061
- Ulf Beier, M.D.Philadelphia, PA 191041639353469
- Lawrence Copelovitch, M.D.Philadelphia, PA 191041609083708
- Michelle Denburg, M.D.Philadelphia, PA 191041568660488
- Susan Furth, M.D.Philadelphia, PA 191041295778850
- Erum Hartung, MDPhiladelphia, PA 191041699713115
- Bernard Kaplan, M.D.Philadelphia, PA 191041457375578
Common questions
What is Christopher John Larosa, MD's NPI number?
Christopher John Larosa, MD's National Provider Identifier (NPI) is 1063623544, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher John Larosa, MD located?
The NPPES record lists a practice address at 3500 Civic Center Blvd, Philadelphia, PA, 19104. Phone: (215) 590-1000. Providers update this record themselves, so call before visiting.
How can I verify Christopher John Larosa, MD's license?
NPPES lists Pennsylvania license number MD431123, 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 Christopher John Larosa, MD prescribe under Medicare Part D?
In 2024, Christopher John Larosa, MD had 33 Medicare Part D claims; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.
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.