DR. JONATHAN OKUN MD
NPI 1497738322
Family Medicine in Harris, NY
About Dr. Jonathan Okun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN OKUN MD (NPI 1497738322) is an individual family medicine provider in Harris, New York, licensed in New York (195024) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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 Okun Md 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
3Medicare enrollment records show Jonathan Okun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 clinicians in this Medicare group
West Orange, NJ 07052
- Reassigned Medicare billing, New Jersey enrollment
- 428 clinicians in this Medicare group
Linden, NJ 07036
- Reassigned Medicare billing, New Jersey enrollment
- 60 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJCentrastate Medical Center
Acute Care Hospitals · Freehold, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12742 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Okun's NPI number?
The NPI number for Jonathan Okun is 1497738322. It was assigned to this individual provider in the NPPES registry on November 23, 2005.
Where is Jonathan Okun located?
Jonathan Okun practices at PO Box 421, Harris, NY 12742. The listed phone number is (845) 794-9864.
What is Jonathan Okun's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jonathan Okun enrolled in Medicare?
Yes. Jonathan Okun 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 Okun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Okun reassigns Medicare benefits to 3 organizations: Practice Associates Medical Group (Morristown, NJ), Rwjbh Primary Care Services (West Orange, NJ) and Robert Wood Johnson Medical Associates At Hamilton PA (Linden, NJ). 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 Okun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Okun accept?
Health plans from Ambetter Health and Oscar Health list Jonathan Okun 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 Okun affiliated with any hospitals?
According to CMS data, Jonathan Okun is affiliated with Morristown Medical Center and Centrastate Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Okun was last updated on March 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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 Okun, MD · NPI 1497738322
Family Medicine physician in Harris, New York. Individual provider, active in the CMS NPPES registry since November 23, 2005.
## Identity
- **NPI:** 1497738322 (Entity type: Individual)
- **Enumerated:** November 23, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 195024 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** PO BOX 421, Harris, NY 12742-0421
- **Phone:** (845) 794-9864 · **Fax:** (845) 794-9868
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Practice Associates Medical Group (NPI 1427016385, Morristown, NJ); Rwjbh Primary Care Services (NPI 1265037501, West Orange, NJ); Robert Wood Johnson Medical Associates At Hamilton PA (NPI 1619206828, Linden, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** March 10, 2008
- **Other identifiers:** Medicare UPIN I01525; Medicare ID-Type Unspecified 5207D1 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1497738322) · Data from the CMS NPPES public registry.