JAMES ROY KNOWLES (M.D.) – Ophthalmology Physician, NPI 1053306001

JAMES ROY KNOWLES (M.D.) is a healthcare provider. based in Beavercreek, Ohio. specializing in OPHTHALMOLOGY. They hold the professional credentials M.D.. They hold a License No. 35-08-5811-K (OH). The NPI Number for JAMES ROY KNOWLES (M.D.) is 1053306001

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
JAMES ROY KNOWLES (M.D.)
NPI
1053306001
Phone
(937) 427-2020
Address
4235 INDIAN RIPPLE RD
Enumeration Date
15 September 2005
Last Update Date
8 February 2008

Doctor Profile

Medical School Name
MAYO MEDICAL SCHOOL
Secondary Phone
9374272020
Graduation Year
1984 (42 years ago)
PAC ID
7719914704
Group Practice PAC ID
3476458167
Professional Enrollment ID
I20050721000193
Address ID
OH454403265BE4235XRDXX403
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

840 OPHTHALMOLOGY in OH

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Provider Addresses for JAMES ROY KNOWLES (M.D.)

  • 4235, Indian Ripple Road, Beavercreek, Greene County, Ohio, 45440, United States

    STE 100

    BEAVERCREEK, OH 454403247

    Phone: (937) 427-2020

    Fax: (937) 429-1144

    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)

CMS reports 1 Open Payments records for all available years, with a total value of $16.

Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.

Last reported payment date: 2024-10-24 • Largest payer in this snapshot: Johnson & Johnson Surgical Vision, Inc. ($16).

Total Amount

$16

General + Research + Ownership

Payments

1

Total payment records

General Amount

$16

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-24

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: 2005-07-21

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
I20050721000193IOphthalmologyOHTBD

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
92014Established patient complete exam of visual system539378$0
92136Measurement of corneal curvature and depth of eye385227$0
66984Removal of cataract with insertion of prosthetic lens327196$0
92083Exam of visual field with extended testing275167$0
92004New patient complete exam of visual system265265$0
View full utilization report →

Insurance plans in this area (ZIP 45440)

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Provider's Procedures

JAMES ROY KNOWLES (M.D.) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYOH92083Measurement of field of vision during daylight conditions199164
OPHTHALMOLOGYOH92134Diagnostic imaging of retina6362

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: 3476458167View full group profile
NameSpecialtyState
O P H T H A L M O L O G YTX
-OH
O P T O M E T R YOH
O P H T H A L M O L O G YOH

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Frequently asked questions

Can I use this page to confirm JAMES ROY KNOWLES (M.D.)'s NPI?
Yes. JAMES ROY KNOWLES (M.D.) is listed with NPI 1053306001 in the public NPI dataset.
Does the file indicate JAMES ROY KNOWLES (M.D.) is practicing under active NPI?
Directory data currently reports JAMES ROY KNOWLES (M.D.) as active.
What is JAMES ROY KNOWLES (M.D.)'s specialty?
The listing groups JAMES ROY KNOWLES (M.D.) with Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for JAMES ROY KNOWLES (M.D.)?
JAMES ROY KNOWLES (M.D.)'s geographic hint is Beavercreek, Ohio in our summary view.
Is the information about JAMES ROY KNOWLES (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."