Payer details
Optum Care Network
This link may open a general payer website rather than a provider portal.
- Primary payer ID
- OCN01
- Directory ID
- ISVMZ
- State / territory
- —
- Plan type
- —
- Coverage
- dental, medical, vision
- Parent payer group
- —
Transaction support
Enrollment requirements apply before use.
Claim status
276 / 277
Eligibility checks
270 / 271
Names & identifiers
- Also known as
- Alliance Independent Practice Association · Arta Western · Greater Valley · Harrimon Jones · Healthcare Partners · Magan Medical Clinic · Memorial Medical Group · Northridge Medical Group · Physicians Associates of the Greater San Gabriel Valley · Talbert Medical Group · Unified Independent Practice Association
- Alternate payer IDs
- 2940 · 4730 · NMG01 · OCN01 · TALMG
These identifiers are listed as supplied. Confirm the correct ID with your clearinghouse for the intended transaction; an alternate ID is not a universal routing ID.
Directory details
Directory updated September 20, 2026.
Transaction availability can depend on the plan, enrollment, and channel. A red reliability dot means no supported capabilities are published or a disruption has been reported by Ember. Green checks indicate supported capabilities, subject to enrollment and authorized portal access.
Payer names are used for identification. Ember is not affiliated with or endorsed by the listed payers.