Navigating Multi-Physician Billing: Best Practices, Pitfalls, and Compliance Strategies

Billing services under a single doctor’s identifier when multiple physicians are involved is a complex issue governed by strict CMS and OIG guidelines. In general, each physician should bill for the services they personally provide. Note: This article is intended solely for informational purposes and should not be construed as legal or consulting advice. For a deeper understanding, we encourage you to review official resources from OIG and CMS.

Here are some key points to consider:

1. Accurate Provider Identification

CMS Rules: Medicare and Medicaid require that claims submitted must accurately reflect the identity of the physician who rendered the service. This means that each service should be billed under the National Provider Identifier (NPI) or billing number of the doctor who actually performed the care.

Correct Coding Practices: The National Correct Coding Initiative (NCCI) and other coding guidelines mandate accurate attribution. Misrepresenting the provider—even unintentionally—can lead to audits, claim denials, and potential financial recoupments.

2. Compliance Risks and Fraud Concerns

Misrepresentation Risks: When multiple doctors bill under one doctor’s number, it can be considered a form of misrepresentation. If services rendered by the other two doctors are claimed as if performed by a single provider, this practice may be deemed fraudulent.

OIG Scrutiny: The Office of Inspector General (OIG) actively monitors billing practices to prevent provider fraud. Using a single billing number for services performed by multiple physicians could trigger investigations and penalties under the False Claims Act if it’s found that the billing does not accurately reflect who provided the care.

3. Group Practice Considerations

Legitimate Group Billing: In some group practices, there might be arrangements where a group number is used for administrative simplicity. However, even in these cases, claims must include details that clearly identify the individual provider responsible for the service. The group billing arrangement needs to be fully compliant with payer guidelines and legal standards.

Documentation Requirements: It is imperative that the medical records and claim documentation clearly indicate which physician provided each service. This transparency is critical to avoid discrepancies during audits or compliance reviews.

4. Practical Implications for Your Office

Policy Development: If your office has three doctors, each should ideally bill for their own services. Consolidating billing under one provider’s number without proper justification and documentation can be a red flag for payers.

Risk Mitigation: To safeguard against potential compliance issues, it’s best to review internal billing practices and consult with compliance experts or legal counsel to ensure that your billing processes adhere to both CMS guidelines and state regulations.

Examples:

Example 1: Misattributed Services

Scenario: Dr. Smith, Dr. Jones, and Dr. Lee work together in the same office. However, the practice submits all claims using Dr. Smith’s billing number—even when Dr. Jones or Dr. Lee personally provide the care.

Issue:

Misrepresentation: When claims are filed under Dr. Smith’s number despite Dr. Jones or Dr. Lee providing the service, it misrepresents who actually rendered care.

Audit Risk: CMS and the OIG require that claims accurately reflect the delivering provider. Billing incorrectly may lead to audits, claim denials, and potential financial recoupments.

Takeaway: Each doctor should bill using their own National Provider Identifier (NPI) or designated billing number. If services are misattributed, it can be viewed as fraudulent, triggering investigations.

Example 2: Mixed Practices Leading to Compliance Issues

Scenario: An office with three doctor occasionally uses a “fill-in” arrangement—if one doctor is unavailable, another might cover both their patients and cases. If the covering doctor bills all the services under their own NPI regardless of who originally scheduled the appointment or provided some of the initial consultations, discrepancies can occur.

Issue:

Incomplete Records: If the documentation does not clearly delineate the contributions of each physician (e.g., one started the consultation, and another performed the procedure), billing under a single NPI for the entire service could be inappropriate.

Audit Triggers: Ambiguities may alert payers or auditors who will then question if the correct services were billed under the correct provider identifiers.

Takeaway: Even in split or backup scenarios, the medical record must distinctly document which provider performed each portion of the service. Accurate, detailed records protect the practice from misrepresentation claims.

Summary

While there is no “one-size-fits-all” rule that explicitly states, “you cannot bill under someone else’s doctor number,” the regulations and best practices collectively require accurate, honest attribution of services. Billing for services provided by multiple doctors under a single doctor’s identifier can be viewed as misrepresentation and can expose the practice to significant regulatory, financial, and legal risks.

By following these examples and ensuring each physician’s contributions are accurately recorded and billed, a practice can maintain compliance with CMS and OIG requirements. For specific cases or further clarification, consulting with a healthcare compliance attorney or billing specialist is highly recommended.

• Billing Accuracy: Every service rendered by a doctor must be billed under the correct provider’s identification.

• Documentation: Robust documentation—detailing who performed the service, when it was performed, and any transitions in care—is essential for compliance.

• Risk Mitigation: Inaccurate billing practices, such as using one provider’s number for services performed by others, can lead to audits and allegations of fraudulent claims.

Note: This article is intended solely for informational purposes and should not be construed as legal or consulting advice. For a deeper understanding, we encourage you to review official resources from OIG and CMS.

Cissy Mangrum, MBA, CMPE, CPC, CDC, CDBS is Principal Consultant at MaximizeRCM Consulting and Co-Founder and Chief Revenue Officer at RevTech Partners, LLC based in Franklin, Tennessee. She has over 30 years of revenue cycle leadership experience across dental, medical, hospital, DSO, and MSO settings. RevTech Partners develops AI-powered RCM software solutions for the dental and healthcare market.

Connect with Cissy on LinkedIn or reach her at Cissy.mangrum@revtechpartners.com