Individual provider Active NPI

Gary David Zimmer, MD

  • Emergency Medicine Physician
  • Reading, PA
National Provider Identifier
1053368407
Registry record updated Aug 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MD427612 Issued in PA
Practice address
2500 Bernville Rd
Reading, PA 19605-9453
Phone
(215) 710-5900
Fax
(866) 789-6895
NPI assigned
May 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 25MA09331300 NJ
Emergency Medicine Physician 207P00000X 274761 NY
Emergency Medicine Physician 207P00000X MD427612 PA Primary
Emergency Medicine Physician 207P00000X MD14110 RI

Addresses

Primary practice location

2500 Bernville Rd
Reading, PA 19605-9453

Mailing address

300 Thornbrook Ave
Bryn Mawr, PA 19010-1637
Phone (610) 517-0530

Other practice location 1

100 Kenyon Ave
Wakefield, RI 02879-4216
Phone (401) 782-8000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, PA, RI, NJ, MS, TN, SC, AZ, NY, TX10 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 10

Enrollment IDStateProvider typePAC IDDetails
I20040721000952 MD Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 1 organization
I20051207000304 PA Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 2 organizations
I20130611000097 RI Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 1 organization
I20170831000358 NJ Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 2 organizations
I20230303001101 MS Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 1 organization
I20230303001761 TN Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 6 organizations
I20230309001370 SC Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 1 organization
I20231027000930 AZ Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 1 organization
I20240827002668 NY Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 3 organizations
I20251230000211 TX Practitioner - Emergency Medicine 7012996242 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Physician Services of New York, P.C.Group PAC ID 8325939804, 128 clinicians

Practice addresses (Care Compare)

111 Hospital Dr
Utica, NY 13502-2517
Phone (315) 917-9966

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Physician Associates of North Jersey P C Emergency Medicine CurrentSince Mar 1, 2022 Accepting new patients
Sound Physicians Emergency Medicine of South Carolina LLC Emergency Medicine CurrentSince Oct 27, 2022 Accepting new patients
Hospitalist Medicine Physicians of Maryland-Frederick PC Emergency Medicine CurrentSince Nov 1, 2022 Accepting new patients
Carr PLLC Emergency Medicine CurrentSince Dec 22, 2022 Accepting new patients
Emergency Physician Associates of Pennsylvania, PC Emergency Medicine CurrentSince Jun 1, 2017 Accepting new patients
Emergency Care Services of Pennsylvania, P.C. Emergency Medicine CurrentSince Oct 1, 2005 Accepting new patients
Germantown Emergency Physicians, PLLC Emergency Medicine CurrentSince Mar 15, 2024 Accepting new patients
Methodist University Emergency Physicians PLLC Emergency Medicine CurrentSince Mar 15, 2024 Accepting new patients
Cmdpn Medical Group of Texas, P.a. Emergency Medicine CurrentSince Oct 23, 2025 Accepting new patients
MVHS Inc CurrentSince Jan 1, 2025 Accepting new patients
Cirrusmd Medical Group of Delaware, P.a. Emergency Medicine CurrentSince Oct 13, 2025 Accepting new patients
MVHS Inc CurrentSince Jan 1, 2025 Accepting new patients
Emergency Physician Associates of South Jersey P C Emergency Medicine CurrentSince Jul 1, 2017 Accepting new patients
Sound Physicians Emergency Medicine of Arizona, Inc. Emergency Medicine CurrentSince Sep 17, 2023 Accepting new patients
Methodist South Emergency Physicians, PLLC Emergency Medicine CurrentSince Mar 15, 2024 Accepting new patients
Emergency Physician Services of New York, P.C. Emergency Medicine CurrentSince Jun 21, 2024 Accepting new patients
Emergency Care Services of Pennsylvania, P.C. Emergency Medicine CurrentSince Oct 1, 2005 Accepting new patients
T M Carr MD PC Emergency Medicine CurrentSince Dec 22, 2022 Accepting new patients
Methodist North Emergency Physicians, PLLC Emergency Medicine CurrentSince Mar 15, 2024 Accepting new patients
Emergency Physician Associates of Maryland, P.C. Emergency Medicine Past Accepting new patients
Johns Hopkins Emergency Medical Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations (25 of 26)

1171 W Target Range Rd
Nogales, AZ 85621
Phone (520) 285-3000

350 N Wilmot Rd
Tucson, AZ 85711
Phone (520) 873-3000

1601 W Saint Marys Rd
Tucson, AZ 85745
Phone (520) 622-5833

3000 Lawrence St
#101
Denver, CO 80205
Phone (720) 996-0522

3000 Lawrence St
Ste 101
Denver, CO 80205

400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300

4250 Bethel Rd
Olive Branch, MS 38654
Phone (662) 932-9000

100 Townsend Ave
Berlin, NJ 08009
Phone (856) 322-3000

1000 Atlantic Ave
Camden, NJ 08104
Phone (856) 246-3060

865 State Route 33
Ste 3
Freehold, NJ 07728
Phone (424) 292-2923

1 Riverview Plz
Red Bank, NJ 07701
Phone (732) 530-2204

1656 Champlin Ave
New Hartford, NY 13413
Phone (315) 624-6222

111 Hospital Dr
Utica, NY 13502
Phone (315) 801-8534

1676 Sunset Ave
Utica, NY 13502
Phone (315) 624-5567

2209 Genesee St
Utica, NY 13501
Phone (315) 798-8100

206 E Brown St
East Stroudsburg, PA 18301
Phone (570) 420-4951

300 Highland Ave
Hanover, PA 17331
Phone (717) 316-3711

1201 Langhorne Newtown Rd
Penndel, PA 19047
Phone (215) 710-2100

2601 Holme Ave
Philadelphia, PA 19152
Phone (215) 335-6000

2500 Bernville Rd
Reading, PA 19605
Phone (610) 378-2300

302 University Pkwy
Aiken, SC 29801
Phone (803) 279-3940

120 Brentwood Commons Way
Ste 510
Brentwood, TN 37027
Phone (253) 682-6040

3960 New Covington Pike
Memphis, TN 38128
Phone (901) 516-5200

7691 Poplar Ave
Memphis, TN 38138
Phone (901) 516-1290

1265 Union Ave
Memphis, TN 38104
Phone (901) 516-2362

Interoperability endpoints

  • Direct secure messaging: gzimmer26465@mlh.direct-ci.com
  • Direct secure messaging: gzimmer47262@mvhealthsystem.direct-ci.com

Organizations & group practices 23

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 23

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1148947200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1053368407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 THORNBROOK AVE",
            "city": "BRYN MAWR",
            "state": "PA",
            "postal_code": "190101637",
            "telephone_number": "610-517-0530"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 BERNVILLE RD",
            "city": "READING",
            "state": "PA",
            "postal_code": "196059453",
            "telephone_number": "215-710-5900",
            "fax_number": "866-789-6895"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Kenyon Ave",
            "address_purpose": "LOCATION",
            "city": "Wakefield",
            "state": "RI",
            "postal_code": "028794216",
            "country_code": "US",
            "telephone_number": "401-782-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZIMMER",
        "first_name": "GARY",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-30",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NJ",
            "license": "25MA09331300",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "274761",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MD427612",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "RI",
            "license": "MD14110",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Reading, PA

Sources for this page

Verify at the official NPI Registry.