Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David M Grosser, MD

Anesthesiology Physician in Lafayette, CO · enumerated 2005.

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

National Provider Identifier

1164429536

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Registry record

Entity type Individual (Type 1)

Name Dr. David M Grosser

Credential MD

Sex Male

Practice address 280 Exempla Cir, Lafayette, CO, 80026

Phone (303) 338-4545

Enumeration date Jun 30, 2005

Last updated in NPPES Oct 1, 2025

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License DR.0035286 (CO) Primary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 5331 (NE) Secondary

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

Other identifiers

Identifier	Type	State	Issuer
01352863	Medicaid	CO	-
024208	Other	CO	KAISER COMMERCIAL NUMBER

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 David Grosser?

David Grosser is registered in NPPES with the primary taxonomy of Anesthesiology 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 2025-10-01.