Active NPI
Howard H Chen, MD
- Ophthalmology Physician
- Campbell, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- G83824
- Practice address
- 3395 S Bascom Ave Ste 140
Campbell, CA 95008-6770 - Phone
- (408) 559-0666
- Fax
- (408) 377-0811
- NPI assigned
- Oct 12, 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 | G83824 | CA | Primary |
Addresses
Primary practice location
3395 S Bascom Ave Ste 140
Campbell, CA 95008-6770
Mailing address
3395 S Bascom Ave Ste 140
Campbell, CA 95008-6770
Phone (408) 559-0666
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G8388240 | Medicaid | CA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- New York University Medical College - NLG, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3395 S Bascom Ave
Suite 140
Campbell, CA 95008-6770
Phone (408) 559-0666
Hospital & facility affiliations
- Good Samaritan Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G83824 | CA | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Retinal Diagnostic Center a Medical Corporation | Specialist | Current | Accepting new patients |
| Good Samaritan Hospital, L.P. | Past | Accepting new patients | |
| Dignity Health | Ophthalmology | Past | Accepting new patients |
| County of Santa Clara | Past | Accepting new patients | |
| Watsonville Hospital Corporation | Past | Accepting new patients | |
| Pih Health Good Samaritan Hospital | Past | Accepting new patients | |
| El Camino Hospital | Past | Accepting new patients | |
| El Camino Hospital | Past | Accepting new patients | |
| Good Samaritan Hospital of Suffern | Past | Accepting new patients | |
| Good Samaritan Hospital Ca LTD PTP | Past | Accepting new patients | |
| Forest Medical Group, Inc. | Specialist | Past | Accepting new patients |
Locations
3301 El Camino Real
Ste 101
Atherton, CA 94027
Phone (650) 257-3861
3803 S Bascom Ave
Ste 104
Campbell, CA 95008
Phone (408) 559-0666
3395 S Bascom Ave
Ste 140
Campbell, CA 95008
Phone (408) 369-8556
8833 Monterey Rd
Ste D
Gilroy, CA 95020
Phone (669) 500-4955
7888 Wren Ave
Ste C137
Gilroy, CA 95020
Phone (408) 767-2904
200 Jose Figueres Ave
Ste 240
San Jose, CA 95116
Phone (408) 937-0928
123 Di Salvo Ave
Ste E
San Jose, CA 95128
Phone (408) 297-1191
1663 Dominican Way
Ste 110A
Santa Cruz, CA 95065
Phone (408) 559-0666
65 Nielson St
Ste 115
Watsonville, CA 95076
Phone (831) 724-2626
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 11
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.
-
- Ophthalmology Physician
- Campbell, CA
- NPI 1518030568
Specialist
-
- General Acute Care Hospital
- San Jose, CA
- NPI 1063406551
-
- General Acute Care Hospital
- Mountain View, CA
- NPI 1093712374
-
- General Acute Care Hospital
- Los Gatos, CA
- NPI 1417199340
-
- Specialist
- Campbell, CA
- NPI 1366642225
-
- General Acute Care Hospital
- Bakersfield, CA
- NPI 1205852209
-
- General Acute Care Hospital
- San Jose, CA
- NPI 1376595777
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1508859323
-
- General Acute Care Hospital
- Watsonville, CA
- NPI 1710958228
-
- General Acute Care Hospital
- Suffern, NY
- NPI 1346213469
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- San Jose, CA
- NPI 1437103777
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129075200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763596800000",
"number": "1699763748",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3395 S BASCOM AVE STE 140",
"city": "CAMPBELL",
"state": "CA",
"postal_code": "950086770",
"telephone_number": "408-559-0666",
"fax_number": "408-377-0811"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3395 S BASCOM AVE STE 140",
"city": "CAMPBELL",
"state": "CA",
"postal_code": "950086770",
"telephone_number": "408-559-0666",
"fax_number": "408-377-0811"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHEN",
"first_name": "HOWARD",
"middle_name": "H",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-12",
"last_updated": "2025-11-20",
"certification_date": "2025-11-20",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "CA",
"license": "G83824",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00G8388240",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Campbell, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 2025; 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.