Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Benjamin Kramer, MD

Allergy & Immunology Physician in San Francisco, CA · enumerated 2015.

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

National Provider Identifier

1730559600

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Benjamin Kramer

Credential MD

Sex Male

Practice address San Francisco, CA, 94102

Phone (917) 822-2679

Enumeration date Oct 4, 2015

Last updated in NPPES Oct 4, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License G075558 (CA) Primary

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License 158767 (NY) Secondary

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 is the NPI number for Benjamin Kramer?

The National Provider Identifier (NPI) for Benjamin Kramer is 1730559600, a Type 1 (individual) record in the CMS NPPES registry.

Where does Benjamin Kramer practice?

The practice location on file with NPPES is in San Francisco, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-04.