DR. DAVID CHARLES ZIMMERMAN DO
NPI 1609165687
Emergency Medicine in Sharon, CT
About Dr. David Charles Zimmerman Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID CHARLES ZIMMERMAN DO (NPI 1609165687) is an individual emergency medicine provider in Sharon, Connecticut, licensed in Pennsylvania (OS016916) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Ingalls Memorial Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Other Identifiers 4
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. David Charles Zimmerman 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 Reassignments
20Medicare enrollment records show David Zimmerman reassigns Medicare billing to 20 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waterbury, CT 06708
- Reassigned Medicare billing, Connecticut enrollment
- 125 clinicians in this Medicare group
Newport, NH 03773
- Reassigned Medicare billing, New Hampshire enrollment
- 219 clinicians in this Medicare group
Derry, NH 03038
- Reassigned Medicare billing, New Hampshire enrollment
- 145 clinicians in this Medicare group
Wilkes Barre, PA 18764
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Emergency Care Services Of Pennsylvania PC
- 329 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Emergency Care Services Of New York PC
- 240 clinicians in this Medicare group
Drexel Hill, PA 19026
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
Elmira, NY 14901
- Reassigned Medicare billing, New York enrollment
- 72 clinicians in this Medicare group
Ephrata, PA 17522
- Reassigned Medicare billing, Pennsylvania enrollment
- 49 clinicians in this Medicare group
Brunswick, ME 04011
- Reassigned Medicare billing, New Hampshire enrollment
- 41 clinicians in this Medicare group
Hanover, PA 17331
- Reassigned Medicare billing, Pennsylvania enrollment
- 298 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ingalls Memorial Hospital
Acute Care Hospitals · Harvey, ILThomas H Boyd Memorial Hospital
Critical Access Hospitals · Carrollton, ILMarshall Browning Hospital
Critical Access Hospitals · Du Quoin, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06069 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 20
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 David Zimmerman's NPI number?
The NPI number for David Zimmerman is 1609165687. It was assigned to this individual provider in the NPPES registry on March 30, 2011.
Where is David Zimmerman located?
David Zimmerman practices at 50 Hospital Hill Rd, Sharon, CT 06069. The listed phone number is (860) 364-4111.
What is David Zimmerman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is David Zimmerman enrolled in Medicare?
Yes. David 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 David Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Zimmerman reassigns Medicare benefits to 20 organizations: Emergency Physicians Of Connecticut PC (Waterbury, CT), The New London Hospital Association, Inc. (Newport, NH), Emergency Medicine Services Of Nh, LLC (Derry, NH), Emergency Care Services Of Pennsylvania, P.C. (Wilkes Barre, PA), Emergency Care Services Of New York, P.C. (Syracuse, NY) and 15 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 David Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Zimmerman accept?
Health plans from Blue Cross and Blue Shield of Texas, CareSource, Molina Healthcare, Oscar Insurance Company and Taro Health and 2 other insurers list David 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 David Zimmerman affiliated with any hospitals?
According to CMS data, David Zimmerman is affiliated with Ingalls Memorial Hospital, Thomas H Boyd Memorial Hospital and Marshall Browning Hospital.
When was this NPI record last updated?
The NPPES record for David Zimmerman was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. David Charles Zimmerman, DO · NPI 1609165687
Emergency Medicine physician in Sharon, Connecticut. Individual provider, active in the CMS NPPES registry since March 30, 2011.
## Identity
- **NPI:** 1609165687 (Entity type: Individual)
- **Enumerated:** March 30, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OS016916 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 50 HOSPITAL HILL RD, Sharon, CT 06069-2092
- **Phone:** (860) 364-4111
## 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:** 20 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Connecticut PC (NPI 1902278906, Waterbury, CT); The New London Hospital Association, Inc. (NPI 1770684672, Newport, NH); Emergency Medicine Services Of Nh, LLC (NPI 1386341444, Derry, NH); Emergency Care Services Of Pennsylvania, P.C. (NPI 1235374927, Wilkes Barre, PA); Emergency Care Services Of New York, P.C. (NPI 1639236656, Syracuse, NY); and 15 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2010
## Record status
- **NPPES last updated:** September 4, 2025
- **Other identifiers:** Other 34.011010 (OH); Other 04451 (KY); Other OS016916 (PA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1609165687) · Data from the CMS NPPES public registry.