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DR. MARY G BARTELS MD
NPI 1609925700
Psychiatry & Neurology - Psychiatry in Mercer Island, WA

Active since January 09, 2007PECOS Enrolled
7254 91ST AVE SE, MERCER ISLAND, WA 98040(206) 679-9084 Get Directions Write a Review

NPPES record last updated: April 14, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 14, 2022, Dec 21, 2016 (2 updates tracked since 2016).

About Dr. Mary G Bartels Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY G BARTELS MD (NPI 1609925700) is an individual psychiatry provider in Mercer Island, Washington, licensed in Washington (MD00023840) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609925700
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARY G BARTELSCredential: MD
Location Address7254 91ST AVE SEMercer Island, WA 98040-5802
Mailing Address7254 91st Ave SeMercer Island, WA 98040-5802 · (206) 679-9084
Phone(206) 679-9084
Sole ProprietorNo
Enumeration DateJanuary 9, 2007
Last NPPES UpdateApril 14, 20222 updates tracked since enumeration
NPPES CertifiedApril 14, 2022
✔ NPI 1609925700 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in WA · MD00023840
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
7254 91ST AVE SE, Mercer Island, WA 98040
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary G Bartels Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mary Bartels reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sound
5.3 mi
Mental Health (Including Community Mental Health Center)
6400 SOUTHCENTER BLVD
Tukwila, WA 98188
  • Reassigned Medicare billing, Washington enrollment
  • 103 clinicians in this Medicare group
NPI 1780774950 (206) 901-2000
Golden Valley Health Center
673 mi
Federally Qualified Health Center (FQHC)
302 NORTHGATE DR
Manteca, CA 95336
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Golden Valley Health Centers
  • 440 clinicians in this Medicare group
NPI 1477020121 (209) 239-5299

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.37 typical visit price
range $63.67 – $189.37
Typical copayment $47.34 (range $15.91 – $47.34)
Most-billed visit code 99205
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Bartels's NPI number?

The NPI number for Mary Bartels is 1609925700. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Mary Bartels located?

Mary Bartels practices at 7254 91st Ave SE, Mercer Island, WA 98040. The listed phone number is (206) 679-9084.

What is Mary Bartels's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mary Bartels enrolled in Medicare?

Yes. Mary Bartels is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Bartels's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Bartels reassigns Medicare benefits to 2 organizations: Sound (Tukwila, WA) and Golden Valley Health Center (Manteca, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Bartels's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Bartels was last updated on April 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.