JOHN W MAHLER (M.D.) – Psychiatry Physician, NPI 1063832640

JOHN W MAHLER (M.D.) is a healthcare provider. based in Wenatchee, Washington. specializing in PSYCHIATRY. They hold the professional credentials M.D.. They hold a License No. MD60843240 (WA). The NPI Number for JOHN W MAHLER (M.D.) is 1063832640

Main info

Male
12 Years Of Experience
Accepts Medicare Assignment
Name
JOHN W MAHLER (M.D.)
NPI
1063832640
Phone
(509) 663-8711
Address
820 N CHELAN AVE
Enumeration Date
22 April 2014
Last Update Date
7 August 2018

Doctor Profile

Medical School Name
UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Secondary Phone
5096622208
Graduation Year
2014 (12 years ago)
PAC ID
0749588077
Group Practice PAC ID
4880504596
Professional Enrollment ID
I20180726003441
Address ID
WA988013201WE1201XSTXX400
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience38
Completeness75
Years active:12State licenses:1Digital endpointsOther names

710 PSYCHIATRY in WA

Provider Addresses for JOHN W MAHLER (M.D.)

  • 820 N CHELAN AVE

    WENATCHEE, WA 988012028

    Phone: (509) 663-8711

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2018-07-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20180726003441IPsychiatryWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes21968$0
90833Psychotherapy with evaluation and management visit, 30 minutes7431$0
99443Telephone medical discussion with physician, 21-30 minutes3314$0
99215Established patient office or other outpatient visit, 40-54 minutes2113$0
View full utilization report →

Insurance plans in this area (ZIP 98801)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4880504596View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology), Internal MedicineWA
Internal MedicineWA
-WA
Internal Medicine, NephrologyWI
O B S T E T R I C S/ G Y N E C O L O G YMT
Nurse PractitionerWA
Emergency MedicineWA
U R O L O G YWA
Family PracticeWA
-WA

Reviews

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Frequently asked questions

What is JOHN W MAHLER (M.D.)'s NPI number?
JOHN W MAHLER (M.D.)'s NPI is 1063832640 — the number used across U.S. healthcare to identify this provider.
Is JOHN W MAHLER (M.D.) still an active registrant?
JOHN W MAHLER (M.D.) carries an active NPI according to the public dataset.
What area of care is associated with JOHN W MAHLER (M.D.)?
JOHN W MAHLER (M.D.)'s record emphasizes Psychiatry Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with JOHN W MAHLER (M.D.)?
Directory geography for JOHN W MAHLER (M.D.) centers on Wenatchee, Washington.
Can I trust this NPI listing for JOHN W MAHLER (M.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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