LILLIAN Y CHOI (MD) – Gastroenterology Physician, NPI 1790769818

LILLIAN Y CHOI (MD) is a healthcare provider. based in Redlands, California. specializing in GASTROENTEROLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 30991 (AZ). The NPI Number for LILLIAN Y CHOI (MD) is 1790769818

Main info

Female
28 Years Of Experience
Accepts Medicare Assignment
Name
LILLIAN Y CHOI (MD)
NPI
1790769818
Phone
Not provided
Address
P.O. BOX 2200
Enumeration Date
1 December 2005
Last Update Date
24 March 2022

Doctor Profile

Medical School Name
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Secondary Phone
8317711456
Graduation Year
1998 (28 years ago)
PAC ID
5597768721
Group Practice PAC ID
5597813014
Professional Enrollment ID
I20070606000251
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness75
Years active:20State licenses:2Digital endpointsOther names

1,981 GASTROENTEROLOGY in CA

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Provider Addresses for LILLIAN Y CHOI (MD)

  • P.O. BOX 2200

    REDLANDS, CA 923730722

    Phone:

    Type: Mailing

  • 1083, Los Palos Drive, Claremont Manor, Salinas, Monterey County, California, 93901, United States

    SALINAS, CA 939013901

    Phone: (831) 771-1456

    Fax: (831) 757-4070

    Type: Location

  • 1083 Los Palos Dr

    Salinas, CA 939013901

    Phone: (831) 771-1456

    Fax: (831) 757-4070

    Type: Location

  • 7000 Boulder Ave

    Highland, CA 923463348

    Phone: (909) 862-1191

    Type: Location

  • 360 E YOSEMITE AVE STE 300

    MERCED, CA 953408201

    Phone: (209) 720-7183

    Fax: (209) 720-7371

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $160.

Total Amount is formed as General ($160) + Research ($0) + Ownership ($0) = $160.

Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($43).

Total Amount

$160

General + Research + Ownership

Payments

7

Total payment records

General Amount

$160

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-23

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: 2007-06-06

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
I20070606000251IGastroenterologyCATBD

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
99215Established patient office or other outpatient visit, 40-54 minutes7251$0
99205New patient office or other outpatient visit, 60-74 minutes5757$0
45380Biopsy of large bowel using a flexible endoscope2929$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare1717$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope1515$0
View full utilization report →

Insurance plans in this area (ZIP 92373)

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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: 5597813014View full group profile
NameSpecialtyState
-CA

Reviews

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Frequently asked questions

Is there an official ID for LILLIAN Y CHOI (MD) in U.S. healthcare records?
The official identifier for LILLIAN Y CHOI (MD) is NPI 1790769818.
Would LILLIAN Y CHOI (MD) appear as active to a payer?
You can treat LILLIAN Y CHOI (MD) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is LILLIAN Y CHOI (MD)?
LILLIAN Y CHOI (MD) is associated with Gastroenterology Physician in the directory — Clinical services aligned with this taxonomy classification.
Where in California is LILLIAN Y CHOI (MD) registered?
Use Redlands, California as the headline location for LILLIAN Y CHOI (MD) here.
Can I trust this NPI listing for LILLIAN Y CHOI (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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