JOHN W MAHLER M.D.
NPI 1063832640
Psychiatry & Neurology - Psychiatry in Wenatchee, WA

Active since April 22, 2014PECOS EnrolledAccepts Medicare Assignment
820 N CHELAN AVE, WENATCHEE, WA 98801(509) 663-8711 Get Directions Write a Review

NPPES record last updated: August 7, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 7, 2018, Apr 1, 2016 (2 updates tracked since 2016).

About John W Mahler M.d. NPPES

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

JOHN W MAHLER M.D. (NPI 1063832640) is an individual psychiatry provider in Wenatchee, Washington, licensed in Washington (MD60843240) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (2014).

NPPES Registry Identity

NPI1063832640
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJOHN W MAHLERCredential: M.D.
Location Address820 N CHELAN AVEWenatchee, WA 98801
Mailing Address820 N Chelan AveWenatchee, WA 98801-2028 · (509) 663-8711
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2014
Enumeration DateApril 22, 2014
Last NPPES UpdateAugust 7, 20182 updates tracked since enumeration
✔ NPI 1063832640 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 · MD60843240
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.
820 N CHELAN AVE, Wenatchee, WA 98801

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John W Mahler M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749588077
PECOS Enrollment IDI20180726003441
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 John Mahler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
820 N CHELAN AVE
Wenatchee, WA 98801
  • Reassigned Medicare billing, Washington enrollment
  • 558 clinicians in this Medicare group
Emergency Medical Services
1201 S MILLER ST
Wenatchee, WA 98801
  • Reassigned Medicare billing, Washington enrollment
  • 651 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
272 services74 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
94 services40 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
34 services15 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services14 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
23 services12 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
19 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98801 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
$172.80 typical visit price
range $57.27 – $172.80
Typical copayment $43.20 (range $14.31 – $43.20)
Most-billed visit code 99205
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
820 N CHELAN AVE
WENATCHEE, WA 98801
Pharmacist
820 N CHELAN AVE
WENATCHEE, WA 98801
Pathology (Anatomic Pathology & Clinical Pathology)
820 N CHELAN AVE
WENATCHEE, WA 98801
Physical Medicine & Rehabilitation
820 N CHELAN AVE
WENATCHEE, WA 98801
Pharmacist
820 N CHELAN AVE
WENATCHEE, WA 98801
Pathology (Clinical Pathology/Laboratory Medicine)
820 N CHELAN AVE
WENATCHEE, WA 98801
Physician Assistant
820 N CHELAN AVE
WENATCHEE, WA 98801
Pediatrics (Developmental - Behavioral Pediatrics)
820 N CHELAN AVE
WENATCHEE, WA 98801

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 John Mahler's NPI number?

The NPI number for John Mahler is 1063832640. It was assigned to this individual provider in the NPPES registry on April 22, 2014.

Where is John Mahler located?

John Mahler practices at 820 N Chelan Ave, Wenatchee, WA 98801. The listed phone number is (509) 663-8711.

What is John Mahler's specialty?

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

Is John Mahler enrolled in Medicare?

Yes. John Mahler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Mahler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Mahler reassigns Medicare benefits to 2 organizations: Wenatchee Valley Hospital (Wenatchee, WA) and Central Washington Health Services Association (Wenatchee, WA). 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 John Mahler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Mahler accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list John Mahler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Mahler was last updated on August 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.