CAROLYN HAEKYUNG CHI MD
NPI 1811038987
Pediatrics - Pediatric Endocrinology in Palo Alto, CA

Active since February 09, 2007PECOS EnrolledAccepts Medicare Assignment
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: April 9, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2024, Mar 17, 2016 (2 updates tracked since 2016).

About Carolyn Haekyung Chi Md NPPES

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

CAROLYN HAEKYUNG CHI MD (NPI 1811038987) is an individual pediatric endocrinology provider in Palo Alto, California, licensed in California (A78976) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Stanford University School Of Medicine (2001).

NPPES Registry Identity

NPI1811038987
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameCAROLYN HAEKYUNG CHICredential: MD
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2001
Enumeration DateFebruary 9, 2007
Last NPPES UpdateApril 9, 20242 updates tracked since enumeration
NPPES CertifiedApril 9, 2024
NPI 1811038987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
Licenses Licensed in CA · A78976 Licensed in TX · N1282
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License A79876 (CA)
725 WELCH RD, Palo Alto, CA 94304

Secondary Practice Location 1

Location 11804 Embarcadero Rd, Suite 100Palo Alto, CA 94303-3341 · Phone (650) 497-8000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Carolyn Haekyung Chi 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 ID2567479330
PECOS Enrollment IDI20060320000515
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304

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 Carolyn Chi's NPI number?

The NPI number for Carolyn Chi is 1811038987. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Where is Carolyn Chi located?

Carolyn Chi practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Carolyn Chi's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Carolyn Chi enrolled in Medicare?

Yes. Carolyn Chi 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.

When was this NPI record last updated?

The NPPES record for Carolyn Chi was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.