Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert L Petersen, MD

Hospitalist Physician in Boise, ID · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1043229685

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Registry record

Entity type Individual (Type 1)

Name Robert L Petersen

Credential MD

Sex Male

Practice address 1055 N Curtis Rd, Boise, ID, 83706

Phone (208) 367-7350

Fax (208) 367-3951

Enumeration date Aug 5, 2006

Last updated in NPPES Oct 31, 2011

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License M8085 (ID) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1043229685 active?

Yes, as of the latest NPPES snapshot, NPI 1043229685 is active (record last updated 2011-10-31).

How do I verify Robert Petersen's NPI record?

Cross-check NPI 1043229685 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Katherine Mathews Hospitalist Physician · Boise, ID NPI 1841296902 Christopher Sjoberg Nurse Practitioner · Boise, ID NPI 1235122284 Daniel Grange Anesthesiology Physician · Boise, ID NPI 1710977509 Douglas Schoonover Pharmacist · Boise, ID NPI 1881676948 Kerri Trainer Anesthesiology Physician · Boise, ID NPI 1477537280 Amy Crunk Genetic Counselor (M.S.) · Boise, ID NPI 1962488320 Southern Idaho Regional Laboratory LLC Clinical Medical Laboratory · Boise, ID NPI 1730165838 Joseph Brooks Therapeutic Radiology Physician · Boise, ID NPI 1457323693

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-31.