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Provider

NPI, credentialing, taxonomy and provider networks

1,236 provider terms

observation npi numberobs_npi

The 10-digit National Provider Identifier associated with the clinician or facility responsible for recording a clinical observation or measurement. Used in EHR and claims systems to attribute diagnostic findings and observation-status encounters to the correct billing provider.

obstetric npi numberob_npi

The unique 10-digit National Provider Identifier assigned to an obstetrician or obstetric practice. Used in claims processing, prenatal care coordination, and maternity episode tracking to accurately identify providers delivering pregnancy, labor, and postpartum care services.

oncology npi numberonc_npi

The unique 10-digit National Provider Identifier assigned to an oncologist or oncology practice. Used in claims adjudication, prior authorization, and cancer care coordination to identify providers delivering chemotherapy, radiation, immunotherapy, and other cancer treatment services.

operation npi numberop_npi

The 10-digit National Provider Identifier linked to the surgeon or surgical facility performing an operative procedure. Used in claims processing and surgical episode tracking to attribute inpatient and outpatient surgical interventions to the correct billing or rendering provider.

ophthalmology npi numberopht_npi

The unique 10-digit National Provider Identifier assigned to an ophthalmologist or eye care practice. Used in claims processing, vision benefit coordination, and referral management to accurately identify providers delivering medical and surgical eye care services.

order npi numberord_npi

The 10-digit National Provider Identifier of the clinician who placed a clinical service order, such as a lab test, imaging study, or medication. Used in EHR and claims systems to attribute ordering authority, support referral tracking, and meet regulatory documentation requirements.

organization npi numberorg_npi

The 10-digit National Provider Identifier assigned to a healthcare organization, such as a hospital, clinic, or group practice. Used in claims submission, network contracting, and provider directory management to uniquely identify institutional entities billing for healthcare services.

orthopedic npi numberortho_npi

The unique 10-digit National Provider Identifier assigned to an orthopedic surgeon or orthopedic practice. Used in claims adjudication, surgical episode management, and referral routing to identify providers delivering musculoskeletal and joint care services.

otolaryngology npi numberent_npi

The unique 10-digit National Provider Identifier assigned to an otolaryngologist or ENT practice. Used in claims processing, referral management, and specialty care coordination to identify providers delivering ear, nose, throat, head, and neck care services.

out of pocket npi numberoop_npi

The 10-digit National Provider Identifier associated with a provider in the context of tracking member out-of-pocket cost accumulation. Used in claims and benefit administration systems to attribute patient cost-sharing payments, such as deductibles and copays, to the rendering provider.

outcome npi numberoutc_npi

The 10-digit National Provider Identifier linked to the clinician or facility responsible for a documented clinical outcome or treatment result. Used in quality reporting, value-based care programs, and population health analytics to attribute patient outcomes to specific providers.

panel npi numberpnl_npi

The 10-digit National Provider Identifier associated with the ordering or performing provider for a laboratory test panel. Used in claims adjudication and lab information systems to attribute grouped diagnostic test orders to the correct billing or rendering provider.

pathologist npi numberpath_npi

The unique 10-digit National Provider Identifier assigned to a pathologist or pathology practice. Used in claims processing, laboratory billing, and anatomic pathology reporting to identify the licensed specialist interpreting tissue samples, cytology, and laboratory specimens.

patient npi numberpt_npi

An erroneous application of the NPI standard. Patients do not hold NPIs, which are assigned only to healthcare providers. This field likely captures the treating provider's NPI linked to a patient encounter and should be validated against the NPPES registry.

payer npi numberpyr_npi

An erroneous application of the NPI standard. Insurance payers and health plans are not assigned NPIs, which are reserved for healthcare providers. This field may intend to capture a payer-assigned plan or organization identifier used on claims submissions and EOB transactions.

payment npi numberpmt_npi

An erroneous application of the NPI standard. Financial payment transactions do not carry NPIs. This field likely represents the rendering or billing provider NPI associated with a specific reimbursement transaction recorded in claims or remittance advice data.

pediatric npi numberped_npi

The 10-digit National Provider Identifier assigned by CMS to a pediatric specialist or children's healthcare provider. Used on claims and referral transactions to uniquely identify the provider delivering care to patients under 18, per HIPAA standard identifier requirements.

pharmacist npi numberphrm_npi

The 10-digit National Provider Identifier assigned by CMS to a licensed pharmacist. Used in pharmacy claims submissions, medication reconciliation workflows, and prescription dispensing records to uniquely identify the credentialed pharmacist responsible for dispensing or clinical services.

physical npi numberpe_npi

The 10-digit National Provider Identifier assigned by CMS to a physical therapist or physical medicine practitioner. Used on claims and referral authorizations to uniquely identify the licensed provider delivering physical therapy or rehabilitation services to a patient.

physician account numberphys_acct_nbr

A system-assigned or payer-assigned account reference number uniquely identifying a licensed physician within a billing, credentialing, or provider management system. Used to link physician records across claims, contract, and credentialing data separate from the NPI identifier.

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