Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jake Lazaroff, MD

Dermatology Physician in Chicago, IL · enumerated 2015.

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

National Provider Identifier

1740654110

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Registry record

Entity type Individual (Type 1)

Name Dr. Jake Lazaroff

Credential MD

Sex Male

Practice address 5841 S Maryland Ave # Mc5067, Chicago, IL, 60637

Phone (773) 702-0549

Enumeration date Nov 21, 2015

Last updated in NPPES Jul 26, 2024

Taxonomy & licenses

207ND0101X MOHS-Micrographic Surgery Physician Allopathic & Osteopathic Physicians · License 2024012056 (MO) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125074787 (IL) Secondary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 125074787 (IL) Secondary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 2024012056 (MO) 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

What specialty is Jake Lazaroff?

Jake Lazaroff is registered in NPPES with the primary taxonomy of Dermatology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-26.