JAMES W LYON (MD) – Diagnostic Radiology Physician, NPI 1689647331

JAMES W LYON (MD) is a healthcare provider. based in San diego, California. specializing in INTERVENTIONAL RADIOLOGY, DIAGNOSTIC RADIOLOGY. They hold the professional credentials MD. They hold a License No. A36265 (CA). The NPI Number for JAMES W LYON (MD) is 1689647331

Main info

Male
47 Years Of Experience
Accepts Medicare Assignment
Name
JAMES W LYON (MD)
NPI
1689647331
Phone
(858) 565-0950
Address
PO BOX 23540
Enumeration Date
10 February 2006
Last Update Date
9 October 2007

Doctor Profile

Medical School Name
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8589395100
Graduation Year
1979 (47 years ago)
PAC ID
6305946070
Group Practice PAC ID
0143134353
Professional Enrollment ID
I20070710000782
Address ID
CA921232773SA3075XDRXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

845 INTERVENTIONAL RADIOLOGY in CA

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Provider Addresses for JAMES W LYON (MD)

  • PO BOX 23540

    SAN DIEGO, CA 921933540

    Phone: (858) 565-0950

    Fax: (858) 244-1100

    Type: Mailing

  • 8745, Aero Drive, Serra Mesa, San Diego, San Diego County, California, 92123, United States

    SUITE 200

    SAN DIEGO, CA 921231761

    Phone: (858) 565-0950

    Fax: (858) 244-1100

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 30 Open Payments records for all available years, with a total value of $1,628.

Total Amount is formed as General ($1,628) + Research ($0) + Ownership ($0) = $1,628.

Last reported payment date: 2024-12-22 • Largest payer in this snapshot: Inari Medical, Inc. ($660).

Total Amount

$1,628

General + Research + Ownership

Payments

30

Total payment records

General Amount

$1,628

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-22

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: 2007-07-10

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
I20070710000782IDiagnostic RadiologyCATBD

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
99152Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes165147$0
77012Review by radiologist of ct guidance for needle placement4845$0
49083Drainage of fluid from abdominal cavity using imaging guidance3821$0
32555Aspiration of fluid from chest cavity using imaging guidance3123$0
32408Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin2424$0
View full utilization report →

Insurance plans in this area (ZIP 92193)

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Provider's Procedures

JAMES W LYON (MD) performs procedures in INTERVENTIONAL RADIOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DIAGNOSTIC RADIOLOGYCA36556Insertion of central venous catheter for infusion, patient 5 years or older1413

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: 0143134353View full group profile
NameSpecialtyState
-CA
-CA
-CA
Diagnostic Radiology, Interventional CardiologyCA
Diagnostic RadiologyCA
Diagnostic Radiology, Interventional RadiologyCA
Diagnostic RadiologyCA
Diagnostic RadiologyCA
Diagnostic RadiologyMA
Diagnostic RadiologyCA

Reviews

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Frequently asked questions

What is the standard ID for JAMES W LYON (MD) in the U.S.?
In the U.S., JAMES W LYON (MD) is identified by NPI 1689647331.
Quick check: is JAMES W LYON (MD) active?
Public NPPES data shows JAMES W LYON (MD) with an active NPI status right now.
What type of care does JAMES W LYON (MD) provide?
JAMES W LYON (MD)'s profile centers on Diagnostic Radiology Physician. Clinical services aligned with this taxonomy classification.
Can patients visit JAMES W LYON (MD) in San Diego, California?
For routing, start with San Diego, California for JAMES W LYON (MD), then verify phone and hours locally.
Can I export JAMES W LYON (MD)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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