DR. JOSH O WALLSH (M.D.) – Ophthalmology Physician, NPI 1740634567

DR. JOSH O WALLSH (M.D.) is a healthcare provider. based in Torrance, California. specializing in OPHTHALMOLOGY. They hold the professional credentials M.D.. They hold a License No. A184249 (CA). The NPI Number for DR. JOSH O WALLSH (M.D.) is 1740634567

Main info

Male
10 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOSH O WALLSH (M.D.)
NPI
1740634567
Phone
(310) 944-9393
Address
4201 TORRANCE BLVD STE 220
Enumeration Date
18 April 2016
Last Update Date
13 April 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3109449393
Graduation Year
2016 (10 years ago)
PAC ID
8820383946
Group Practice PAC ID
3173608585
Professional Enrollment ID
I20230711004444
Address ID
CA905034537TO4201XBLVD301

Contacts

Secure Messaging
jwallsh@retconpllc.intellechartdirect.net
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness95
Years active:10State licenses:1Other names

2,665 OPHTHALMOLOGY in CA

Provider Addresses for DR. JOSH O WALLSH (M.D.)

  • 4201 TORRANCE BLVD STE 220

    TORRANCE, CA 905034537

    Phone: (310) 944-9393

    Fax: (310) 944-3393

    Type: Location

  • 47 NEW SCOTLAND AVE DEPT OF

    ALBANY, NY 122083412

    Phone:

    Type: Mailing

  • 1414 S Grand Ave Ste 105

    Los Angeles, CA 900153078

    Phone: (310) 944-9393

    Fax: (310) 944-3393

    Type: Location

  • 1220 NEW SCOTLAND RD STE 201

    SLINGERLANDS, NY 121599386

    Phone: (518) 533-6550

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 38 Open Payments records for all available years, with a total value of $1,230.

Total Amount is formed as General ($1,230) + Research ($0) + Ownership ($0) = $1,230.

Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Astellas Pharma US Inc ($602).

Total Amount

$1,230

General + Research + Ownership

Payments

38

Total payment records

General Amount

$1,230

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-11

Latest reported date

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: 2023-07-11

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
I20230711004444IOphthalmologyCATBD

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
92134Imaging of retina1,188752$0
67028Injection of drug into eye677335$0
92014Established patient complete exam of visual system491436$0
J0178Injection, aflibercept, 1 mg34488$0
J9035Injection, bevacizumab, 10 mg309128$0
View full utilization report →

Insurance plans in this area (ZIP 90503)

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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: 3173608585View full group profile
NameSpecialtyState
O P H T H A L M O L O G YCA
O P H T H A L M O L O G YCA
O P H T H A L M O L O G YCA
O P H T H A L M O L O G YNV

Reviews

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Frequently asked questions

Can I use this page to confirm DR. JOSH O WALLSH (M.D.)'s NPI?
Yes. DR. JOSH O WALLSH (M.D.) is listed with NPI 1740634567 in the public NPI dataset.
Is DR. JOSH O WALLSH (M.D.) listed as active for patients and plans?
The listing shows DR. JOSH O WALLSH (M.D.) as active in the NPI system.
What is DR. JOSH O WALLSH (M.D.) best known for clinically?
Directory data describes DR. JOSH O WALLSH (M.D.) with Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
Does DR. JOSH O WALLSH (M.D.) list a practice location?
Patients near Torrance, California may find DR. JOSH O WALLSH (M.D.) in results; validate coverage separately.
Is the information about DR. JOSH O WALLSH (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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