DR. JONATHAN LARSON M.D.
NPI 1639516503
Radiology - Diagnostic Radiology in New York, NY
About Dr. Jonathan Larson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN LARSON M.D. (NPI 1639516503) is an individual diagnostic radiology provider in New York, New York, licensed in New York (295418-1) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jonathan Larson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
25Medicare enrollment records show Jonathan Larson reassigns Medicare billing to 25 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 clinicians in this Medicare group
New York, NY 10075
- Reassigned Medicare billing, Connecticut enrollment
Staten Island, NY 10310
- Reassigned Medicare billing, New York enrollment
- 66 clinicians in this Medicare group
Wantagh, NY 11793
- Reassigned Medicare billing, New York enrollment
- 572 clinicians in this Medicare group
Mount Pleasant, SC 29464
- Reassigned Medicare billing, Connecticut enrollment
Chicago, IL 60611
- Reassigned Medicare billing, Connecticut enrollment
Brentwood, TN 37027
- Reassigned Medicare billing, Oregon enrollment
- 198 clinicians in this Medicare group
Macclenny, FL 32063
- Reassigned Medicare billing, Connecticut enrollment
- 2 clinicians in this Medicare group
Medley, FL 33178
- Reassigned Medicare billing, Florida enrollment
- 140 clinicians in this Medicare group
Dodge City, KS 67801
- Reassigned Medicare billing, Kansas enrollment
- Also billed through NPI 1013009828 (Kansas)
- 37 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 39
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYBay Area Hospital
Acute Care Hospitals · Coos Bay, ORColleton Medical Center
Acute Care Hospitals · Walterboro, SCTrident Medical Center
Acute Care Hospitals · Charleston, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jonathan Larson's NPI number?
The NPI number for Jonathan Larson is 1639516503. It was assigned to this individual provider in the NPPES registry on May 31, 2013.
Where is Jonathan Larson located?
Jonathan Larson practices at 1 Gustave L Levy Pl Dept Of, New York, NY 10029. The listed phone number is (860) 214-4650.
What is Jonathan Larson's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Jonathan Larson enrolled in Medicare?
Yes. Jonathan Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jonathan Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Larson reassigns Medicare benefits to 25 organizations: Fpa Hospital Based (New York, NY), Howard John Simon MD PC (New York, NY), Icahn School Of Medicine At Mount Sinai (Staten Island, NY), North Shore Medical Group Of The Mount Sinai School Of Medicine (Wantagh, NY), Charleston Radiologists PA (Mount Pleasant, SC) and 20 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jonathan Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Larson accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas and Cigna HealthCare of Arizona, Inc and 3 other insurers list Jonathan Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jonathan Larson affiliated with any hospitals?
According to CMS data, Jonathan Larson is affiliated with Mount Sinai Hospital, Bay Area Hospital, Colleton Medical Center and Trident Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Larson was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jonathan Larson, M.D. · NPI 1639516503
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 31, 2013.
## Identity
- **NPI:** 1639516503 (Entity type: Individual)
- **Enumerated:** May 31, 2013
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 295418-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 GUSTAVE L LEVY PL DEPT OF, New York, NY 10029
- **Phone:** (860) 214-4650
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 25 organizations under Medicare reassignment (form CMS-855R): Fpa Hospital Based (NPI 1629319413, New York, NY); Howard John Simon MD PC (NPI 1932768934, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1861900888, Staten Island, NY); North Shore Medical Group Of The Mount Sinai School Of Medicine (NPI 1992417323, Wantagh, NY); Charleston Radiologists PA (NPI 1811000177, Mount Pleasant, SC); and 20 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** August 31, 2026
- **Other identifiers:** Medicaid 9000257480 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1639516503) · Data from the CMS NPPES public registry.