DR. JOHN MICHAEL CHAPPO (D.O.) – Internal Medicine Physician, NPI 1730347022

DR. JOHN MICHAEL CHAPPO (D.O.) is a healthcare provider. based in Zionsville, Indiana. specializing in INTERNAL MEDICINE, HOSPITALIST. They hold the professional credentials D.O.. They hold a License No. 02003401A (IN). The NPI Number for DR. JOHN MICHAEL CHAPPO (D.O.) is 1730347022

Main info

Male
19 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN MICHAEL CHAPPO (D.O.)
NPI
1730347022
Phone
(317) 246-0896
Address
9485 HUNT CLUB RD
Enumeration Date
23 May 2008
Last Update Date
5 March 2024

Doctor Profile

Medical School Name
KANSAS CITY UNIVERSITY OF PHYSICIANS AND SURGEONS
Secondary Phone
-
Graduation Year
2007 (19 years ago)
PAC ID
8527123447
Group Practice PAC ID
4082523170
Professional Enrollment ID
I20090210000227
Address ID
IN460521476LE2605XSTXX400

Contacts

Secure Messaging
jchappo228376@direct-PRD.stelizabeth.com
Secure Messaging
jchappo@withamdirect.org
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience65
Completeness85
Years active:18State licenses:1Other namesUpdated within 12 months

3,517 INTERNAL MEDICINE in IN

Provider Addresses for DR. JOHN MICHAEL CHAPPO (D.O.)

  • 9485 HUNT CLUB RD

    ZIONSVILLE, IN 460778451

    Phone: (317) 246-0896

    Fax: (888) 313-5560

    Type: Mailing

  • 1000 E Main St

    Danville, IN 461221948

    Phone: (317) 745-4451

    Fax: (317) 718-6740

    Type: Location

  • Southfield Drive, Plainfield, Hendricks County, Indiana, 46168, United States

    SUITE 1370

    PLAINFIELD, IN 461684498

    Phone: (317) 837-5570

    Type: Mailing

  • Hendricks Regional Health, 1000, East Main Street, Danville, Hendricks County, Indiana, 46122, United States

    DANVILLE, IN 461221948

    Phone: (317) 745-4451

    Fax: (317) 718-6740

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $131.

Total Amount is formed as General ($131) + Research ($0) + Ownership ($0) = $131.

Last reported payment date: 2023-04-05 • Largest payer in this snapshot: La Jolla Pharmaceutical Company ($104).

Total Amount

$131

General + Research + Ownership

Payments

2

Total payment records

General Amount

$131

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-04-05

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2009-02-10

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
I20090210000227IHospitalistINTBD

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
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes226115$0
99239Hospital discharge day management, more than 30 minutes9796$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes7472$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes5240$0
99291Critical care, first 30-74 minutes2417$0
View full utilization report →

Insurance plans in this area (ZIP 46077)

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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: 4082523170View full group profile

Reviews

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Frequently asked questions

What is the registry number for DR. JOHN MICHAEL CHAPPO (D.O.)?
The registry entry for DR. JOHN MICHAEL CHAPPO (D.O.) shows NPI 1730347022.
Quick check: is DR. JOHN MICHAEL CHAPPO (D.O.) active?
Public NPPES data shows DR. JOHN MICHAEL CHAPPO (D.O.) with an active NPI status right now.
Which specialty label fits DR. JOHN MICHAEL CHAPPO (D.O.)?
NPPES ties DR. JOHN MICHAEL CHAPPO (D.O.) to Internal Medicine Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. JOHN MICHAEL CHAPPO (D.O.)?
DR. JOHN MICHAEL CHAPPO (D.O.) shows a connection to Zionsville, Indiana in registry-derived data.
Who maintains DR. JOHN MICHAEL CHAPPO (D.O.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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