Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary G Bartels, MD

Psychiatry Physician in Mercer Island, WA · enumerated 2007.

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

National Provider Identifier

1609925700

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary G Bartels

Credential MD

Sex Female

Practice address 7254 91st Ave Se, Mercer Island, WA, 98040

Phone (206) 679-9084

Enumeration date Jan 9, 2007

Last updated in NPPES Apr 14, 2022

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License MD00023840 (WA) 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

How do I verify Mary Bartels's NPI record?

Cross-check NPI 1609925700 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1609925700 active?

Yes, as of the latest NPPES snapshot, NPI 1609925700 is active (record last updated 2022-04-14).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-14.