DR. RYAN WILLIAM PAPPAS (D.O.) – Clinical Neurophysiology Physician, NPI 1235577065

DR. RYAN WILLIAM PAPPAS (D.O.) is a healthcare provider. based in Chesterton, Indiana. specializing in Clinical Neurophysiology Physician. They hold the professional credentials D.O.. They hold a License No. 02005729A (IN). The NPI Number for DR. RYAN WILLIAM PAPPAS (D.O.) is 1235577065

Main info

Male
13 Years Of Experience
Accepts Medicare Assignment
Name
DR. RYAN WILLIAM PAPPAS (D.O.)
NPI
1235577065
Phone
(219) 364-3616
Address
2022 KELLE DR
Enumeration Date
14 June 2013
Last Update Date
18 September 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
2013 (13 years ago)
PAC ID
0648574988
Group Practice PAC ID
1850482407
Professional Enrollment ID
I20190812003448

Contacts

Secure Messaging
ryan.pappas.1@2340.direct.anthenahealth.com
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness85
Years active:12State licenses:3Other namesUpdated within 12 months

Provider Addresses for DR. RYAN WILLIAM PAPPAS (D.O.)

  • 2022 KELLE DR

    CHESTERTON, IN 463048708

    Phone: (219) 364-3616

    Fax: (219) 364-3610

    Type: Mailing

  • 2000 ROOSEVELT RD STE 207

    VALPARAISO, IN 463832802

    Phone: (844) 774-3627

    Fax: (219) 364-3616

    Type: Location

  • 85 E US Highway 6

    Valparaiso, IN 463838947

    Phone: (844) 774-3627

    Fax: (219) 364-3610

    Type: Location

  • 813 Porter Campus Dr

    Valparaiso, IN 463830063

    Phone: (844) 774-3627

    Fax: (219) 364-3616

    Type: Location

  • 201 Bjc Saint Peters Dr Ste 200

    Saint Peters, MO 633763386

    Phone: (636) 916-7060

    Fax: (636) 916-9421

    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 $39.

Total Amount is formed as General ($39) + Research ($0) + Ownership ($0) = $39.

Last reported payment date: 2023-10-26 • Largest payer in this snapshot: ABBVIE INC. ($39).

Total Amount

$39

General + Research + Ownership

Payments

2

Total payment records

General Amount

$39

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-26

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ABBVIE INC.$39
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.

No Medicare enrollment or revalidation data available for this provider in our database.

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 minutes6159$0
99213Established patient office or other outpatient visit, 20-29 minutes5050$0
View full utilization report →

Insurance plans in this area (ZIP 46304)

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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: 1850482407View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm DR. RYAN WILLIAM PAPPAS (D.O.)'s NPI?
Yes. DR. RYAN WILLIAM PAPPAS (D.O.) is listed with NPI 1235577065 in the public NPI dataset.
Can I rely on DR. RYAN WILLIAM PAPPAS (D.O.) being an active provider?
As of the registry snapshot, DR. RYAN WILLIAM PAPPAS (D.O.) is marked active.
What is DR. RYAN WILLIAM PAPPAS (D.O.) best known for clinically?
Directory data describes DR. RYAN WILLIAM PAPPAS (D.O.) with Clinical Neurophysiology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for DR. RYAN WILLIAM PAPPAS (D.O.)?
DR. RYAN WILLIAM PAPPAS (D.O.)'s geographic hint is Chesterton, Indiana in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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