DR. RYAN K LOSH (O.D.) – Optometrist, NPI 1821309600

DR. RYAN K LOSH (O.D.) is a healthcare provider. based in Maryville, Missouri. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 2010020645 (MO). The NPI Number for DR. RYAN K LOSH (O.D.) is 1821309600

Main info

Male
16 Years Of Experience
Accepts Medicare Assignment
Name
DR. RYAN K LOSH (O.D.)
NPI
1821309600
Phone
(660) 241-5001
Address
109 S BUCHANAN ST
Enumeration Date
28 June 2010
Last Update Date
27 July 2015

Doctor Profile

Medical School Name
UNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY
Secondary Phone
7855953450
Graduation Year
2010 (16 years ago)
PAC ID
3173656303
Group Practice PAC ID
9830437995
Professional Enrollment ID
I20250926001145
Address ID
KS660944005WH3349XRDXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience49
Completeness75
Years active:15State licenses:1Digital endpointsOther names

863 OPTOMETRY in MO

Provider Addresses for DR. RYAN K LOSH (O.D.)

  • 109 S BUCHANAN ST

    MARYVILLE, MO 644682384

    Phone: (660) 241-5001

    Fax: (660) 241-5004

    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 10 Open Payments records for all available years, with a total value of $288.

Total Amount is formed as General ($288) + Research ($0) + Ownership ($0) = $288.

Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Johnson & Johnson Vision Care, Inc. ($166).

Total Amount

$288

General + Research + Ownership

Payments

10

Total payment records

General Amount

$288

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-02

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: 2025-09-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20100809000415IOptometryMOTBD
I20250926001145IOptometryTXTBD

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
99213Established patient office or other outpatient visit, 20-29 minutes9589$0
99214Established patient office or other outpatient visit, 30-39 minutes7167$0
99203New patient office or other outpatient visit, 30-44 minutes3535$0
66984Removal of cataract with insertion of prosthetic lens2614$0
99204New patient office or other outpatient visit, 45-59 minutes2424$0
View full utilization report →

Insurance plans in this area (ZIP 64468)

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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: 9830437995View full group profile

Reviews

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Frequently asked questions

Does DR. RYAN K LOSH (O.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. RYAN K LOSH (O.D.) uses 1821309600.
Is DR. RYAN K LOSH (O.D.) listed as active for patients and plans?
The listing shows DR. RYAN K LOSH (O.D.) as active in the NPI system.
What is DR. RYAN K LOSH (O.D.) best known for clinically?
Directory data describes DR. RYAN K LOSH (O.D.) with Optometrist. Clinical services aligned with this taxonomy classification.
What address line appears for DR. RYAN K LOSH (O.D.)?
DR. RYAN K LOSH (O.D.)'s geographic hint is Maryville, Missouri in our summary view.
Why does DR. RYAN K LOSH (O.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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