Active NPI
Ophelia Medical Group Ca PC
- Addiction Medicine (Psychiatry & Neurology) Physician
- San Diego, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) Physician
- Legal business name
- OPHELIA MEDICAL GROUP CA PC
- Doing business as
- Ophelia Medical Group CA, P.C.
- Practice address
- 6920 Miramar Road
Suite 329
San Diego, CA 92121-2642 - Phone
- (215) 585-2144
- Fax
- (267) 780-7032
- NPI assigned
- Sep 23, 2021
- Last updated
- Sep 10, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Arthur R Williams IV, MD
- Title
- Owner
- Phone
- (347) 857-8015
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction Medicine (Psychiatry & Neurology) Physician | 2084A0401X | Primary |
Addresses
Primary practice location
6920 Miramar Road
Suite 329
San Diego, CA 92121-2642
Mailing address
228 Park Ave S Ste 15314
New York, NY 10003-1502
Phone (215) 585-2144
Other practice location 1
228 Park Ave S Ste 15314
New York, NY 10003-1502
Phone (215) 585-2144
Other names 1
- Ophelia Medical Group CA, P.C.
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
6920 Miramar Rd
Ste 329
San Diego, CA 92121
Practitioners & affiliated clinicians
Practitioners 11
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Nurse Practitioner
- San Diego, CA
- NPI 1558781112
-
- Addiction Psychiatry Physician
- New York, NY
- NPI 1063739985
CA, Multi-Specialty
-
- Community Health Worker
- San Francisco, CA
- NPI 1245862929
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1632355200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1757462400000",
"number": "1760153381",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "228 PARK AVE S STE 15314",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100031502",
"telephone_number": "215-585-2144",
"fax_number": "833-228-5591"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6920 MIRAMAR ROAD",
"address_2": "SUITE 329",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921212642",
"telephone_number": "215-585-2144",
"fax_number": "267-780-7032"
}
],
"practiceLocations": [
{
"address_1": "228 Park Ave S Ste 15314",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100031502",
"country_code": "US",
"telephone_number": "215-585-2144",
"fax_number": "833-228-5591",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "OPHELIA MEDICAL GROUP CA PC",
"organizational_subpart": "NO",
"enumeration_date": "2021-09-23",
"last_updated": "2025-09-10",
"certification_date": "2025-09-10",
"status": "A",
"authorized_official_last_name": "WILLIAMS",
"authorized_official_first_name": "ARTHUR",
"authorized_official_middle_name": "R",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "347-857-8015",
"authorized_official_name_prefix": "Dr.",
"authorized_official_name_suffix": "IV",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "2084A0401X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Addiction Medicine",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Ophelia Medical Group CA, P.C.",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in San Diego, CA
- Operation Samahan Inc (Opsam Health)
- Operation Samahan Inc (Erma Rd Community Health Center)
- Operation Samahan, Inc (Rancho Penasquitos Community Health Center)
- Operation Samahan, Inc.
- Operation Samahan, Inc. (Samahan Health Centers)
- Michelle Louise Opie
- Albert Oppedisano Jr., PSYD
- Hannah Allyn Oppenheim, MD
- Sarah Opper-Gawaran
- Katherine Jane Oprandy
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.