John Mahler, M.D.
NPI 1063832640 · Psychiatry Physician · Wenatchee, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mahler, M.D. is a Psychiatry Physician provider in Wenatchee, WA (NPI 1063832640).
Provider details
- NPI number
- 1063832640
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60843240 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
481 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 272 | $127 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 94 | $70 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 34 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $87 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 23 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 132 | 26 |
| Clonazepam | 107 | 14 |
| Trazodone Hcl | 101 | 23 |
| Bupropion Hclbrand: Bupropion Xl | 87 | 20 |
| Olanzapine | 79 | 11 |
| Buspirone Hcl | 74 | 14 |
| Quetiapine Fumarate | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-22
- Last updated
- 2018-08-07
Frequently asked questions
- What is John Mahler's NPI number?
- John Mahler's National Provider Identifier (NPI) is 1063832640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mahler's specialty?
- John Mahler is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Mahler located?
- John Mahler's practice location on file with NPPES is 820 N Chelan Ave, Wenatchee, WA 98801.
- What is John Mahler's phone number?
- The practice phone number listed in the NPPES registry for John Mahler is (509) 663-8711.
- Does John Mahler accept Medicare?
- John Mahler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mahler's NPI active?
- Yes — John Mahler's NPI (1063832640) is active in the NPPES registry as of the last update on 2018-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.