Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LADY CHRISTINE LIM ONG SIO MD
NPI 1043716772
Anesthesiology - Pain Medicine in Louisville, KY

Active since April 02, 2018PECOS EnrolledAccepts Medicare Assignment
1900 BLUEGRASS AVE STE 300, LOUISVILLE, KY 40215(502) 815-7336(502) 815-7337 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 13, 2026, Oct 5, 2026, Aug 24, 2026 and 3 more (6 updates tracked since 2023).

About Lady Christine Lim Ong Sio Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LADY CHRISTINE LIM ONG SIO MD (NPI 1043716772) is an individual pain medicine provider in Louisville, Kentucky, licensed in Kentucky (57764-A) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Uofl Health - Shelbyville Hospital, and maintains a secondary practice location in Elizabethtown.

NPPES Registry Identity

NPI1043716772
Entity TypeIndividualFemale
Primary Taxonomy207LP2900X
Provider Legal NameLADY CHRISTINE LIM ONG SIOCredential: MD
Location Address1900 BLUEGRASS AVE STE 300Louisville, KY 40215-1183
Mailing AddressPo Box 909Louisville, KY 40201-0909 · (502) 588-0328
Fax(502) 815-7337
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateApril 2, 2018
Last NPPES UpdateOctober 13, 20266 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1043716772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in KY · 57764-A
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 01091226A (IN), 57764 (KY)
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 57764 (KY)
1900 BLUEGRASS AVE STE 300, Louisville, KY 40215

Secondary Practice Location 1

Location 12409 Ring Rd Ste 101Elizabethtown, KY 42701-5939 · Phone (502) 791-8700 · Fax (502) 742-8523

Other Identifiers 2

Medicaid7100906910KY
Medicaid300079391IN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lady Christine Lim Ong Sio Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143681361
PECOS Enrollment IDI20230803001177
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Lady Christine Ong Sio reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Interventional Pain Medicine
5129 DIXIE HWY
Louisville, KY 40216
  • Reassigned Medicare billing, Kentucky enrollment
  • Medicare enrollment name: University Of Louisville Physicians Inc
  • 2,337 clinicians in this Medicare group
Anesthesiology
200 E CHESTNUT ST
Louisville, KY 40202
  • Reassigned Medicare billing, Kentucky enrollment
  • 526 clinicians in this Medicare group
Family Medicine
1325 N RACE ST
Glasgow, KY 42141
  • Reassigned Medicare billing, Kentucky enrollment
  • 323 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
133 services69 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
104 services104 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
104 services73 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
67 services15 patients
Injection of substance into lower spine canal using imaging guidance 62323
This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
47 services37 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
46 services32 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Uofl Health - Shelbyville Hospital

Acute Care Hospitals · Shelbyville, KY
OwnershipVoluntary non-profit - Private
CMS Certification Number180016
Location727 Hospital DriveShelbyville, KY 40065 · Shelby County
Emergency services

T J Samson Community Hospital

Acute Care Hospitals · Glasgow, KY
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number180017
Location1301 North Race StreetGlasgow, KY 42141 · Barren County
Emergency services Birthing friendly

Jewish Hospital & St Mary's Healthcare

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180040
Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson County
Emergency services

Baptist Health Louisville

Acute Care Hospitals · Louisville, KY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180130
Location4000 Kresge WayLouisville, KY 40207 · Jefferson County
Emergency services Birthing friendly

University Of Louisville Hospital

Acute Care Hospitals · Louisville, KY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180141
Location530 South Jackson StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Family Medicine
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Nurse Practitioner (Family)
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Internal Medicine
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Nurse Practitioner (Women's Health)
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Family Medicine
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Internal Medicine (Gastroenterology)
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215
Nurse Practitioner (Family)
1900 BLUEGRASS AVE STE 300
LOUISVILLE, KY 40215

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lady Christine Ong Sio's NPI number?

The NPI number for Lady Christine Ong Sio is 1043716772. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Where is Lady Christine Ong Sio located?

Lady Christine Ong Sio practices at 1900 Bluegrass Ave Ste 300, Louisville, KY 40215. The listed phone number is (502) 815-7336.

What is Lady Christine Ong Sio's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Lady Christine Ong Sio enrolled in Medicare?

Yes. Lady Christine Ong Sio is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Lady Christine Ong Sio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lady Christine Ong Sio reassigns Medicare benefits to 3 organizations: University Of Louisville Phyisicians, Inc. (Louisville, KY), Professional Anesthesia Services Of Kentucky PLLC (Louisville, KY) and T J Samson Community Hospital (Glasgow, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lady Christine Ong Sio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lady Christine Ong Sio accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Lady Christine Ong Sio as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Lady Christine Ong Sio affiliated with any hospitals?

According to CMS data, Lady Christine Ong Sio is affiliated with UofL Health - Shelbyville Hospital, T J Samson Community Hospital, Jewish Hospital & St Mary's Healthcare, Baptist Health Louisville and University Of Louisville Hospital.

When was this NPI record last updated?

The NPPES record for Lady Christine Ong Sio was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.