Active NPI
Gary David Zimmer, MD
- Emergency Medicine Physician
- Reading, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- MD427612
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 10
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
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emergency Physician Associates of North Jersey P C | Emergency Medicine | Current | Accepting new patients |
| Sound Physicians Emergency Medicine of South Carolina LLC | Emergency Medicine | Current | Accepting new patients |
| Hospitalist Medicine Physicians of Maryland-Frederick PC | Emergency Medicine | Current | Accepting new patients |
| Carr PLLC | Emergency Medicine | Current | Accepting new patients |
| Emergency Physician Associates of Pennsylvania, PC | Emergency Medicine | Current | Accepting new patients |
| Emergency Care Services of Pennsylvania, P.C. | Emergency Medicine | Current | Accepting new patients |
| Germantown Emergency Physicians, PLLC | Emergency Medicine | Current | Accepting new patients |
| Methodist University Emergency Physicians PLLC | Emergency Medicine | Current | Accepting new patients |
| Cmdpn Medical Group of Texas, P.a. | Emergency Medicine | Current | Accepting new patients |
| MVHS Inc | Current | Accepting new patients | |
| Cirrusmd Medical Group of Delaware, P.a. | Emergency Medicine | Current | Accepting new patients |
| MVHS Inc | Current | Accepting new patients | |
| Emergency Physician Associates of South Jersey P C | Emergency Medicine | Current | Accepting new patients |
| Sound Physicians Emergency Medicine of Arizona, Inc. | Emergency Medicine | Current | Accepting new patients |
| Methodist South Emergency Physicians, PLLC | Emergency Medicine | Current | Accepting new patients |
| Emergency Physician Services of New York, P.C. | Emergency Medicine | Current | Accepting new patients |
| Emergency Care Services of Pennsylvania, P.C. | Emergency Medicine | Current | Accepting new patients |
| T M Carr MD PC | Emergency Medicine | Current | Accepting new patients |
| Methodist North Emergency Physicians, PLLC | Emergency Medicine | Current | 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
- gzimmer26465@mlh.direct-ci.com
- 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.
-
- Emergency Medicine Physician
- Poughkeepsie, NY
- NPI 1093759847
-
- Emergency Medicine Physician
- Langhorne, PA
- NPI 1114955010
-
- Emergency Medicine Physician
- Hanover, PA
- NPI 1619990900
-
- Family Medicine Physician
- Denver, CO
- NPI 1922664200
Emergency Medicine, NY
-
- Family Medicine Physician
- Dallas, TX
- NPI 1174082150
Emergency Medicine
-
- Emergency Medicine Physician
- Summit, NJ
- NPI 1497783419
-
- Emergency Medicine Physician
- Voorhees, NJ
- NPI 1215965231
-
- Emergency Medicine Physician
- Germantown, TN
- NPI 1518747526
-
- Internal Medicine Physician
- Frederick, MD
- NPI 1093322257
Emergency Medicine
-
- Emergency Medicine Physician
- Memphis, TN
- NPI 1801677083
-
- Emergency Medicine Physician
- Memphis, TN
- NPI 1609657873
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Utica, NY
- NPI 1205877172
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.