MRS. STEPHANIE JAMIE CHANGCHIEN M.D.
NPI 1205061835
Family Medicine in Corona, CA

Q: What is Stephanie Changchien's NPI number?

The NPI number for Stephanie Changchien is 1205061835. It was assigned to this individual provider in the NPPES registry on May 27, 2009. The provider is also known as Miss Stephanie Jamie Yen M. D..

Q: What is Stephanie Changchien's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since May 27, 2009PECOS EnrolledAccepts Medicare Assignment

770 MAGNOLIA AVE STE 1K, CORONA, CA 92879(951) 738-0303 Get Directions Write a Review

NPPES record last updated: May 13, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2020, Sep 10, 2018, Aug 9, 2018 (3 updates tracked since 2018).

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About Mrs. Stephanie Jamie Changchien M.d. NPPES

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

MRS. STEPHANIE JAMIE CHANGCHIEN M.D. (NPI 1205061835) is an individual family medicine provider in Corona, California, licensed in California (A106116) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2007).

NPPES Registry Identity

NPI1205061835

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameMRS. STEPHANIE JAMIE CHANGCHIENCredential: M.D.

Location Address770 MAGNOLIA AVE STE 1KCorona, CA 92879-3122

Mailing Address770 Magnolia Ave Ste 1kCorona, CA 92879-3122 · (951) 738-0303

Phone(951) 738-0303

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2007

Enumeration DateMay 27, 2009

Last NPPES UpdateMay 13, 20203 updates tracked since enumeration

NPPES CertifiedMay 13, 2020

✔ NPI 1205061835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in CA · A106116✔ Licensed in IL · 036125294

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

770 MAGNOLIA AVE STE 1K, Corona, CA 92879

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Other Names 1

Former Name (1)Miss Stephanie Jamie Yen M. D.

Other Identifiers 2

OtherP02038898CA · Medicare Ptan

Other728780020IL · Medicare Ptan

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

Mrs. Stephanie Jamie Changchien 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 ID143413070

PECOS Enrollment IDI20170403002504

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 Reassignment

Medicare enrollment records show Stephanie Changchien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rupal B, Shah, MD., Inc

Same address

Family Medicine

770 MAGNOLIA AVE STE 1K
Corona, CA 92879

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1144483611 (951) 738-0303

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

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.

18 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92879 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

58%81 patients3/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

94%2,543 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

98%1,406 patients4/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

1%170 patients1/55-star benchmark: 98%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%1,193 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

47%809 patients2/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

33%678 patients2/55-star benchmark: 97%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

33%599 patients2/55-star benchmark: 88%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

6%809 patients1/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

1%809 patients1/55-star benchmark: 79%

Weight Assessment and Counseling for Nutrition and Physical Activity for Children and Adolescents

Percentage of patients 3-17 years of age who had an outpatient visit with a Primary Care Physician (PCP) or Obstetrician/Gynecologist (OB/GYN) and who had evidence of the following during the measurement period. Three rates are reported.

Patients nutrition: 1% · 82 patients

94%82 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

RUPAL B, SHAH, MD., INC

Family Medicine

770 MAGNOLIA AVE STE 1K
CORONA, CA 92879

Riverside County (951) 738-0303

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 Stephanie Changchien's NPI number?

The NPI number for Stephanie Changchien is 1205061835. It was assigned to this individual provider in the NPPES registry on May 27, 2009. The provider is also known as Miss Stephanie Jamie Yen M. D..

Where is Stephanie Changchien located?

Stephanie Changchien practices at 770 Magnolia Ave Ste 1K, Corona, CA 92879. The listed phone number is (951) 738-0303.

What is Stephanie Changchien's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Stephanie Changchien enrolled in Medicare?

Yes. Stephanie Changchien 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 organization bills Medicare for Stephanie Changchien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Changchien reassigns Medicare benefits to Rupal B, Shah, MD., Inc (Corona, CA). The 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 Stephanie Changchien'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 Stephanie Changchien was last updated on May 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.