HSIAO- FEN CHEN M.D
NPI 1366483497
Family Medicine in San Gabriel, CA

Q: What is Hsiao- Fen Chen's NPI number?

The NPI number for Hsiao- Fen Chen is 1366483497. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Q: What is Hsiao- Fen Chen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Hsiao- Fen Chen was last updated on January 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since June 09, 2006PECOS Enrolled

81.78/100

CMS Quality Rating

140 W VALLEY BLVD, SUITE 220, SAN GABRIEL, CA 91776(626) 307-0797(626) 307-0805 Get Directions Write a Review

NPPES record last updated: January 18, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Hsiao- Fen Chen M.d NPPES

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

HSIAO- FEN CHEN M.D (NPI 1366483497) is an individual family medicine provider in San Gabriel, California, licensed in California (A54242) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1366483497

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameHSIAO- FEN CHENCredential: M.D

Location Address140 W VALLEY BLVD, SUITE 220San Gabriel, CA 91776-3760

Mailing AddressPo Box 798Rosemead, CA 91770-0798 · (626) 307-0797 · Fax (626) 307-0805

Phone(626) 307-0797

Fax(626) 307-0805

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateJune 9, 2006

Last NPPES UpdateJanuary 18, 2008

✔ NPI 1366483497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A54242

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.

140 W VALLEY BLVD, San Gabriel, CA 91776

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Other Identifiers 3

Medicare UPING16942CA

Medicare PINWA54242CCA

Medicaid00A542420CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hsiao- Fen Chen M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4082626379

PECOS Enrollment IDI20100421000460

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 Hsiao- Fen Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hsiao-Fen Chen MD Inc

Same address

Family Medicine

140 W VALLEY BLVD, SUITE 220
San Gabriel, CA 91776

Reassigned Medicare billing, California enrollment

NPI 1902844517 (626) 307-0797

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 13

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 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.

1,451 services302 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

667 services138 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

506 services96 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

275 services275 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

271 services271 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.

260 services248 patients

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.

216 services156 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.

161 services32 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

149 services146 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

70 services30 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

55 services12 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

52 services46 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

26 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91776 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

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.

81.78/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

46.66

Promoting Interoperability

Improvement Activities

Cost

85.12

Reported Quality Measures

e-Prescribing

98%7,610 patients4/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

81%845 patients4/55-star benchmark: 100%

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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

19 suppliers111 claims208 services$5.68 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

15 suppliers83 claims83 services$0.99 avg. paid by Medicare

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

3 suppliers12 claims12 services$44.41 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

2 suppliers17 claims5,091 services$0.02 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

2 suppliers19 claims22 services$23.46 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

1 supplier16 claims16 services$19.52 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

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

JAN TUNG O.D.

Optometrist

140 W VALLEY BLVD, #115
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

DR. WEI CHU O.D

Optometrist

140 W VALLEY BLVD, 115
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

JULIE KAO O.D.

Optometrist

140 W VALLEY BLVD, SUITE 115
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

MALUK ENTERPRISING CORPORATION

Pharmacy (Community/Retail Pharmacy)

140 W VALLEY BLVD, #105
SAN GABRIEL, CA 91776

Los Angeles County (626) 571-1188

DR. FAYEEN TSAI O.D.

Optometrist

140 W VALLEY BLVD, #115
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

GOLDEN SAN GABRIEL OPTOMETRIC VISION CENTER

Optometrist

140 W VALLEY BLVD, #115
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

DR. JIYEN SHIN O.D.

Optometrist

140 W VALLEY BLVD, #115
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

DR. CHRISTINE CHEN O.D.

Optometrist

140 W VALLEY BLVD
SAN GABRIEL, CA 91776

Los Angeles County (626) 288-8023

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 Hsiao- Fen Chen's NPI number?

The NPI number for Hsiao- Fen Chen is 1366483497. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Hsiao- Fen Chen located?

Hsiao- Fen Chen practices at 140 W Valley Blvd Suite 220, San Gabriel, CA 91776. The listed phone number is (626) 307-0797.

What is Hsiao- Fen Chen's specialty?

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

Is Hsiao- Fen Chen enrolled in Medicare?

Yes. Hsiao- Fen Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hsiao- Fen Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hsiao- Fen Chen reassigns Medicare benefits to Hsiao-Fen Chen MD Inc (San Gabriel, 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 Hsiao- Fen 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 Hsiao- Fen Chen was last updated on January 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.