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Also known as: AMA Physician Masterfile
Authoritative U.S. dataset of physicians and prescribers maintained by the AMA for credentialing, research, and outreach.
DESCRIPTION
The AMA’s prescriber dataset, commonly known via the AMA Physician Masterfile, contains demographic, education, specialty, and practice information on U.S. physicians and many prescribers. It serves credentialing, research, communication, and analytics use cases. Organizations integrate it with NPPES NPI data, claims, and EHR directories to enrich provider master data. The dataset is licensed and updated regularly, with historical tracking of career events. Accurate linkage reduces duplicate records and improves care network analysis.
ALTERNATIVE DEFINITIONS
American Medical Association
The AMA Physician Masterfile is a comprehensive database of all U.S. physicians, including demographic, educational and professional certification information.
Positions it as comprehensive and authoritative for U.S. physicians.
American Medical Association
The Masterfile contains current and historical data on physicians, residents and medical students in the United States.
Highlights current and historical scope across career stages.
RELATED TERMS
NPI Registry DEA Registration ICD-10 Codes Procedure Codes Provider Directory HL7 FHIR Practitioner Claims Data
COMPETING TERMS
NPPES NPI Registry IQVIA OneKey
RELATIONS
- Broader: Database
- Conforms to: ICD-10 Codes
KNOWLEDGE AREAS
Data Services Reference & Master Data Data Management Data Integration & Interoperability Data Governance Data Quality
TARGET AUDIENCE
Data Steward Information Analyst Data Architect Data Engineer Data Governance Manager Data Scientist
EXTERNAL SOURCES
- Wikipedia - American Medical Association Physician Masterfile
- NPPES NPI Registry - Public NPI provider registry
- HL7 FHIR - Practitioner resource specification
- American Medical Association - Official Masterfile overview
TOP QUESTIONS
Why use the AMA Prescriber Database in provider MDM?
It offers authoritative, longitudinal provider attributes that enhance matching and reduce duplicates across systems.
Category: Relevancy
How does the AMA Masterfile relate to the NPI Registry?
NPI provides identifiers and taxonomy; AMA supplies enriched demographics and credentials. They are commonly linked.
Category: Comparison
What are common pitfalls in integrating AMA data?
Ignoring historical updates and not reconciling multi-practice locations can create fragmentation.
Category: Mistakes
What are the licensing considerations?
Access is licensed; ensure usage complies with terms, privacy, and opt-out policies.
Category: Risks
How is the database kept current?
AMA curates updates from multiple sources, including medical schools, boards, and self-reported changes.
Category: Management
What are alternatives to AMA for prescriber data?
NPPES NPI Registry and commercial datasets like IQVIA OneKey provide overlapping but different coverage.
Category: Alternatives
How do data teams link AMA records to claims data?
Use NPI, name, DOB, and practice attributes with probabilistic matching and manual review for edge cases.
Category: Best Practices
Is the AMA Prescriber Database useful for AI?
Yes; reliable provider attributes improve network analytics, referral patterns, and access-to-care modeling.
Category: AI
Where should a team start with AMA integration?
Profile current provider master, define match rules, secure licensing, and implement incremental updates with stewardship.
Category: Getting Started