Active NPI
Gerald W Zaidman, MD
- Ophthalmology Physician
- Valhalla, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- 127930
- Practice address
- Westchester Medical Center Dept. of Opthalmology
Macy Pavilion Room 1100
Valhalla, NY 10595 - Phone
- (914) 493-1599
- Fax
- (914) 493-7445
- NPI assigned
- Aug 25, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | 127930 | NY | Primary |
Addresses
Primary practice location
Westchester Medical Center Dept. of Opthalmology
Macy Pavilion Room 1100
Valhalla, NY 10595
Mailing address
Westchester Medical Center Dept. of Opthalmology
Macy Pavilion Room 1100
Valhalla, NY 10595
Phone (914) 493-1599
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00934785 | Medicaid | NY |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20081203000637 | NY | Practitioner - Ophthalmology | 7214098698 | Practice locations: Hawthorne, NY |
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Albert Einstein College of Medicine of Yeshiva University, 1975
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
40 Saw Mill River Rd
Suite FB2
Hawthorne, NY 10532-1528
Phone (914) 579-2345
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 0 of 100
- Quality
- 0
- Improvement activities
- 0
- Cost
- 0
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 116 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 127930 | NY | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Naomi R. Knoller, O.D., P.C. | Past | Accepting new patients |
Networks
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H9678
Organizations & group practices 1
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.
-
- Optometrist
- Hawthorne, NY
- NPI 1780988113
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Westchester Medical Center
- General Acute Care Hospital
- Valhalla, NY
- NPI 1932280666
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1124928000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1043203995",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "WESTCHESTER MEDICAL CENTER DEPT. OF OPTHALMOLOGY",
"address_2": "MACY PAVILION ROOM 1100",
"city": "VALHALLA",
"state": "NY",
"postal_code": "10595",
"telephone_number": "914-493-1599",
"fax_number": "914-493-7445"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "WESTCHESTER MEDICAL CENTER DEPT. OF OPTHALMOLOGY",
"address_2": "MACY PAVILION ROOM 1100",
"city": "VALHALLA",
"state": "NY",
"postal_code": "10595",
"telephone_number": "914-493-1599",
"fax_number": "914-493-7445"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZAIDMAN",
"first_name": "GERALD",
"middle_name": "W",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-08-25",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "NY",
"license": "127930",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00934785",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Valhalla, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.