LILY CHEN MD
NPI 1861819815
Internal Medicine - Cardiovascular Disease in Sacramento, CA

Active since March 27, 2014PECOS EnrolledAccepts Medicare Assignment
4150 V ST # 1100, SACRAMENTO, CA 95817(916) 734-2737 Get Directions Write a Review

NPPES record last updated: September 16, 2017. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Lily Chen Md NPPES

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

LILY CHEN MD (NPI 1861819815) is an individual cardiovascular disease provider in Sacramento, California, licensed in California (A139701) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (2014).

NPPES Registry Identity

NPI1861819815
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameLILY CHENCredential: MD
Location Address4150 V ST # 1100Sacramento, CA 95817-1460
Mailing Address4150 V St # 1100Sacramento, CA 95817-1460
Sole ProprietorYes
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2014
Enumeration DateMarch 27, 2014
Last NPPES UpdateSeptember 16, 2017
✔ NPI 1861819815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A139701
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
4150 V ST # 1100, Sacramento, CA 95817

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

Lily Chen 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 ID4082905054
PECOS Enrollment IDI20210614003458
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

2

Medicare enrollment records show Lily Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
4500 BUSINESS CENTER DR
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 225 clinicians in this Medicare group
Obstetrics & Gynecology
1100 TRANCAS ST, SUITE 209
Napa, CA 94558
  • Reassigned Medicare billing, California enrollment
  • 1,699 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 26

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.
670 services297 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
365 services360 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
325 services275 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
187 services163 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
147 services67 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.
124 services124 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Internal Medicine
4150 V ST # 1100
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST # 1100
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST # 1100
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST # 1100
SACRAMENTO, CA 95817
Internal Medicine (Rheumatology)
4150 V ST # 1100
SACRAMENTO, CA 95817

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 Lily Chen's NPI number?

The NPI number for Lily Chen is 1861819815. It was assigned to this individual provider in the NPPES registry on March 27, 2014.

Where is Lily Chen located?

Lily Chen practices at 4150 V St # 1100, Sacramento, CA 95817. The listed phone number is (916) 734-2737.

What is Lily Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Lily Chen enrolled in Medicare?

Yes. Lily Chen 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 Lily Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lily Chen reassigns Medicare benefits to 2 organizations: Northbay Health Medical Foundation (Fairfield, CA) and Providence Medical Foundation (Napa, CA). 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 Lily Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lily Chen was last updated on September 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.