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ANNIE BERTHA-CHAO CHERN M.D.
NPI 1104051507
Family Medicine in San Jose, CA

Active since May 29, 2009PECOS EnrolledAccepts Medicare Assignment
455 OCONNOR DR, SUITE 210, SAN JOSE, CA 95128(408) 995-5453 Get Directions Write a Review

NPPES record last updated: February 3, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Annie Bertha-chao Chern M.d. NPPES

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

ANNIE BERTHA-CHAO CHERN M.D. (NPI 1104051507) is an individual family medicine provider in San Jose, California, licensed in California (A107270) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2007).

NPPES Registry Identity

NPI1104051507
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameANNIE BERTHA-CHAO CHERNCredential: M.D.
Location Address455 OCONNOR DR, SUITE 210San Jose, CA 95128-1633
Mailing Address455 Oconnor Dr, Suite 210San Jose, CA 95128-1633 · (408) 995-5453
Phone(408) 995-5453
Sole ProprietorYes
Medical School CMSStanford University School Of MedicineGraduated 2007
Enumeration DateMay 29, 2009
Last NPPES UpdateFebruary 3, 2012
✔ NPI 1104051507 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 · A107270
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.
455 OCONNOR DR, San Jose, CA 95128
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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

Annie Bertha-chao Chern 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 ID5890971972
PECOS Enrollment IDI20110526000144
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.

Areas of Expertise CMS Part B claims 7

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.
75 services40 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.
47 services31 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
31 services23 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.
28 services28 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
26 services26 patients
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.
19 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95128 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
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.

CHRIS CHUNG, MD, INC.
Family Medicine (Sports Medicine)
455 OCONNOR DR, #150
SAN JOSE, CA 95128
Santa Clara County (408) 293-7767
DR. AMY G WATSON MD
Family Medicine
455 OCONNOR DR, SUITE 200
SAN JOSE, CA 95128
Santa Clara County (408) 283-7676
MICHAEL JAMES HENEHAN DO
Family Medicine
455 OCONNOR DR, STE 210
SAN JOSE, CA 95128
Santa Clara County (408) 995-5453
AESTHETIC AND REFRACTIVE SURGERY MEDICAL CENTER, INC.
Specialist
455 OCONNOR DR, SUITE 180B
SAN JOSE, CA 95128
Santa Clara County (408) 998-8109
DR. DALJEET RAI M.D.
Family Medicine
455 OCONNOR DR, STE 210
SAN JOSE, CA 95128
Santa Clara County (408) 995-5453
RICHARD IAN ROSS
Emergency Medicine
455 OCONNOR DR, SUITE 250
SAN JOSE, CA 95128
Santa Clara County (408) 283-7767
ROBERT MICHAEL NORMAN M.D.
Family Medicine
455 OCONNOR DR, STE210
SAN JOSE, CA 95128
Santa Clara County (408) 995-5453
DR. DAVID SHIN M.D.
Family Medicine (Sports Medicine)
455 OCONNOR DR, SUITE 250
SAN JOSE, CA 95128
Santa Clara County (408) 283-7676

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 Annie Chern's NPI number?

The NPI number for Annie Chern is 1104051507. It was assigned to this individual provider in the NPPES registry on May 29, 2009.

Where is Annie Chern located?

Annie Chern practices at 455 Oconnor Dr Suite 210, San Jose, CA 95128. The listed phone number is (408) 995-5453.

What is Annie Chern's specialty?

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

Is Annie Chern enrolled in Medicare?

Yes. Annie Chern 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 Annie Chern was last updated on February 3, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.