CHRISTOPHER TAN VANICHSARN M.D.
NPI 1851658173
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Escondido, CA

Active since April 12, 2012PECOS EnrolledAccepts Medicare Assignment
1955 CITRACADO PKWY STE 300, ESCONDIDO, CA 92029(760) 743-0546(858) 673-5187 Get Directions Write a Review

NPPES record last updated: November 30, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 30, 2020, Apr 13, 2020, May 16, 2017 (3 updates tracked since 2017).

About Christopher Tan Vanichsarn M.d. NPPES

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

CHRISTOPHER TAN VANICHSARN M.D. (NPI 1851658173) is an individual advanced heart failure and transplant cardiology provider in Escondido, California, licensed in California (A129210) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2012).

NPPES Registry Identity

NPI1851658173
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameCHRISTOPHER TAN VANICHSARNCredential: M.D.
Location Address1955 CITRACADO PKWY STE 300Escondido, CA 92029-4113
Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (858) 554-9100
Fax(858) 673-5187
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2012
Enumeration DateApril 12, 2012
Last NPPES UpdateNovember 30, 20203 updates tracked since enumeration
NPPES CertifiedNovember 30, 2020
✔ NPI 1851658173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License✔ Licensed in CA · A129210
Definition
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
Also ListedInternal MedicineTaxonomy 207R00000X · License A129210 (CA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License A129210 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A129210 (CA)
1955 CITRACADO PKWY STE 300, Escondido, CA 92029

Other Identifiers 1

OtherA129210CA · Ca Medical License

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

Christopher Tan Vanichsarn M.d. 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 ID1658686191
PECOS Enrollment IDI20170928000099
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 Christopher Vanichsarn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obstetrics & Gynecology
1955 CITRACADO PKWY STE 200
Escondido, CA 92029
  • Reassigned Medicare billing, California enrollment
  • 144 clinicians in this Medicare group
General Acute Care Hospital
354 SANTA FE DR
Encinitas, CA 92024
  • Reassigned Medicare billing, California enrollment
  • 1,598 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 23

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.
336 services182 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.
310 services295 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
162 services82 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
142 services139 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.
134 services101 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.
101 services92 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92029 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
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.

Rehabilitation Practitioner
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Rehabilitation Practitioner
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Student in an Organized Health Care Education/Training Program
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Rehabilitation Practitioner
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Peer Specialist
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Licensed Vocational Nurse
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Rehabilitation Practitioner
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029
Community/Behavioral Health
1955 CITRACADO PKWY STE 300
ESCONDIDO, CA 92029

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 Christopher Vanichsarn's NPI number?

The NPI number for Christopher Vanichsarn is 1851658173. It was assigned to this individual provider in the NPPES registry on April 12, 2012.

Where is Christopher Vanichsarn located?

Christopher Vanichsarn practices at 1955 Citracado Pkwy Ste 300, Escondido, CA 92029. The listed phone number is (760) 743-0546.

What is Christopher Vanichsarn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is Christopher Vanichsarn enrolled in Medicare?

Yes. Christopher Vanichsarn 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 Christopher Vanichsarn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Vanichsarn reassigns Medicare benefits to 2 organizations: Arch Health Partners (Escondido, CA) and Scripps Health (Encinitas, 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 Christopher Vanichsarn'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 Christopher Vanichsarn was last updated on November 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.