JON DAVID MAHER (M.D.) – Family Medicine Physician, NPI 1598769945

JON DAVID MAHER (M.D.) is a healthcare provider. based in Charles city, Iowa. specializing in FAMILY PRACTICE, ENDOCRINOLOGY, HOSPICE/PALLIATIVE CARE. They hold the professional credentials M.D.. They hold a License No. 27683 (IA). The NPI Number for JON DAVID MAHER (M.D.) is 1598769945

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
JON DAVID MAHER (M.D.)
NPI
1598769945
Phone
(641) 228-5555
Address
1624 S Grand Ave
Enumeration Date
13 June 2005
Last Update Date
6 April 2026

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
5635472021
Graduation Year
1989 (37 years ago)
PAC ID
6002714326
Group Practice PAC ID
1153238977
Professional Enrollment ID
I20041202000737
Address ID
IA521361064CR321XXWXXX400

Contacts

Secure Messaging
Jon.Maher@direct.2.mycarefile.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness95
Years active:20State licenses:1Other names

1,656 FAMILY PRACTICE in IA

Provider Addresses for JON DAVID MAHER (M.D.)

  • 1624 S Grand Ave

    Charles City, IA 506163653

    Phone: (641) 228-5555

    Fax: (641) 228-5556

    Type: Location

  • Cresco Medical Clinic, 321, 8th Avenue West, Cresco, Howard County, Iowa, 52136, United States

    CRESCO, IA 521361064

    Phone: (563) 547-2022

    Fax: (563) 547-4340

    Type: Mailing

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: 2004-12-02

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
I20041202000737IFamily PracticeIATBD

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
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes1915$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes1111$0
View full utilization report →

Insurance plans in this area (ZIP 50616)

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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: 1153238977View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YWI
Physician AssistantWI
Nurse PractitionerIA
Certified Nurse Midwife (Cnm)IA
Certified Nurse Midwife (Cnm)IA
Family PracticeCO
Mental Health CounselorMN
Nurse PractitionerIA
Nurse PractitionerIA
Nurse PractitionerIA

Reviews

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Frequently asked questions

Can I cross-check JON DAVID MAHER (M.D.) using NPI 1598769945?
NPI 1598769945 belongs to JON DAVID MAHER (M.D.); compare other details if you need extra assurance.
Is JON DAVID MAHER (M.D.) shown as active in public data?
Registry records indicate JON DAVID MAHER (M.D.) maintains an active NPI.
What expertise is attributed to JON DAVID MAHER (M.D.)?
JON DAVID MAHER (M.D.)'s specialty line reads Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Is JON DAVID MAHER (M.D.) associated with Charles City?
Public fields place JON DAVID MAHER (M.D.) around Charles City, Iowa. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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