JOHN M ZIMMERMAN MD
NPI 1528036217
Internal Medicine - Clinical Cardiac Electrophysiology in Hackensack, NJ
About John M Zimmerman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN M ZIMMERMAN MD (NPI 1528036217) is an individual clinical cardiac electrophysiology provider in Hackensack, New Jersey, licensed in New Jersey (MA05047300) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and is a graduate of New York Medical College (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
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
John M Zimmerman 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
2Medicare enrollment records show John Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warwick, NY 10990
- Reassigned Medicare billing, New Jersey and New York enrollments
- 2 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 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 22
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hackensack University Medical Center
Acute Care Hospitals · Hackensack, NJValley Hospital
Acute Care Hospitals · Paramus, NJGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYSt Anthony Community Hospital
Acute Care Hospitals · Warwick, NYHelen Hayes Hospital
Acute Care Hospitals · West Haverstraw, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07601 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.
HACKENSACK, NJ 07601
HACKENSACK, NJ 07601
HACKENSACK, NJ 07601
HACKENSACK, NJ 07601
HACKENSACK, NJ 07601
HACKENSACK, NJ 07601
HACKENSACK, NJ 07601
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 John Zimmerman's NPI number?
The NPI number for John Zimmerman is 1528036217. It was assigned to this individual provider in the NPPES registry on March 9, 2006.
Where is John Zimmerman located?
John Zimmerman practices at 20 Prospect Ave Ste 701, Hackensack, NJ 07601. The listed phone number is (201) 996-2997.
What is John Zimmerman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is John Zimmerman enrolled in Medicare?
Yes. John Zimmerman 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 John Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Zimmerman reassigns Medicare benefits to 2 organizations: Bon Secours Charity Health System Medical Group, P.C. (Warwick, NY) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, 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 John Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Zimmerman accept?
Health plans from Oscar Health list John Zimmerman 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 John Zimmerman affiliated with any hospitals?
According to CMS data, John Zimmerman is affiliated with Hackensack University Medical Center, Valley Hospital, Good Samaritan Hospital Of Suffern, St Anthony Community Hospital and Helen Hayes Hospital.
When was this NPI record last updated?
The NPPES record for John Zimmerman was last updated on April 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# John M Zimmerman, MD · NPI 1528036217
Clinical Cardiac Electrophysiology physician in Hackensack, New Jersey. Individual provider, active in the CMS NPPES registry since March 9, 2006.
## Identity
- **NPI:** 1528036217 (Entity type: Individual)
- **Enumerated:** March 9, 2006
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** MA05047300 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 20 PROSPECT AVE, STE 701, Hackensack, NJ 07601-1997
- **Phone:** (201) 996-2997 · **Fax:** (201) 996-2571
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Bon Secours Charity Health System Medical Group, P.C. (NPI 1487694345, Warwick, NY); Hackensack Meridian Health Medical Group - Specialty Care PC (NPI 1215989249, Red Bank, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 1978
## Record status
- **NPPES last updated:** April 28, 2020
- **Other identifiers:** Other 05D743 (NJ); Other 8213937 (NJ); Other 2K7886 (NJ); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1528036217) · Data from the CMS NPPES public registry.