DEREK LIM DO
NPI 1033567383
Surgery in Springfield, NJ
About Derek Lim Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEREK LIM DO (NPI 1033567383) is an individual surgery provider in Springfield, New Jersey, licensed in New Jersey (25MB11464100) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and maintains a secondary practice location in Pompton Plains.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Derek Lim Do 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 Reassignment
Medicare enrollment records show Derek Lim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 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 3
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, NJOverlook Medical Center
Acute Care Hospitals · Summit, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07081 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Derek Lim's NPI number?
The NPI number for Derek Lim is 1033567383. It was assigned to this individual provider in the NPPES registry on May 26, 2016.
Where is Derek Lim located?
Derek Lim practices at 155 Morris Ave Ste 204, Springfield, NJ 07081. The listed phone number is (973) 232-2300.
What is Derek Lim's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Derek Lim enrolled in Medicare?
Yes. Derek Lim 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 organization bills Medicare for Derek Lim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derek Lim reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). The 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 Derek Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derek Lim accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Derek Lim 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 Derek Lim affiliated with any hospitals?
According to CMS data, Derek Lim is affiliated with Morristown Medical Center and Overlook Medical Center.
When was this NPI record last updated?
The NPPES record for Derek Lim was last updated on February 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Derek Lim, DO · NPI 1033567383
Surgery physician in Springfield, New Jersey. Individual provider, active in the CMS NPPES registry since May 26, 2016.
## Identity
- **NPI:** 1033567383 (Entity type: Individual)
- **Enumerated:** May 26, 2016
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 25MB11464100 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 155 MORRIS AVE STE 204, Springfield, NJ 07081-1224
- **Phone:** (973) 232-2300 · **Fax:** (973) 232-2301
## 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:** Practice Associates Medical Group (NPI 1427016385, Morristown, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** February 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033567383) · Data from the CMS NPPES public registry.