Mary Bartels, MD
NPI 1609925700 · Psychiatry Physician · Mercer Island, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Bartels, MD is a Psychiatry Physician provider in Mercer Island, WA (NPI 1609925700).
Provider details
- NPI number
- 1609925700
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00023840 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 118 | 19 |
| Trazodone Hcl | 109 | 28 |
| Clonazepam | 91 | 14 |
| Escitalopram Oxalate | 80 | 12 |
| Aripiprazole | 69 | 13 |
| Duloxetine Hcl | 63 | 11 |
| Lamotrigine | 62 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2022-04-14
- Certified
- 2022-04-14
Frequently asked questions
- What is Mary Bartels's NPI number?
- Mary Bartels's National Provider Identifier (NPI) is 1609925700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Bartels's specialty?
- Mary Bartels is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Bartels located?
- Mary Bartels's practice location on file with NPPES is 7254 91st Ave Se, Mercer Island, WA 98040-5802.
- What is Mary Bartels's phone number?
- The practice phone number listed in the NPPES registry for Mary Bartels is (206) 679-9084.
- Does Mary Bartels accept Medicare?
- Mary Bartels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Bartels's NPI active?
- Yes — Mary Bartels's NPI (1609925700) is active in the NPPES registry as of the last update on 2022-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.