JOHN G. LARSEN MD – NPI #1700974169
Pediatrics
A pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific knowledge to affect a better outcome for pediatric infections with complicated courses, underlying diseases that predispose to unusual or severe infections, unclear diagnoses, uncommon diseases and complex or investigational treatments.
JOHN LARSEN is a physician located in NEW YORK, NY. NPPES has assigned the NPI number 1700974169 to JOHN LARSEN on October 11, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 2080P0208X from the Health Care Provider Taxonomy code set, which is classified as Pediatrics, specializing in Pediatric Infectious Diseases
The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for JOHN LARSEN below.
NPI Profile for
JOHN G. LARSEN
(more than 19 years ago)
C/O UPTOWN PEDIATRICS
NEW YORK, NY 10128 Phone: (212) 427-0540 Fax: (212) 534-1086
Identifiers for JOHN LARSEN
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| medicaid | NY | 00686035 |
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 2080P0208X - Pediatrics / Pediatric Infectious Diseases (Primary) |
NY | 129356 |
| 208000000X - Pediatrics |
NY | 129356 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.