CHRISTINA PHAN PA
NPI 1831668987
Physician Assistant in Castro Valley, CA

Q: What is Christina Phan's NPI number?

The NPI number for Christina Phan is 1831668987. It was assigned to this individual provider in the NPPES registry on November 19, 2018.

Q: What is Christina Phan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Christina Phan was last updated on August 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 November 19, 2018PECOS EnrolledAccepts Medicare Assignment

20642 JOHN DR, CASTRO VALLEY, CA 94546(888) 924-1036 Get Directions Write a Review

NPPES record last updated: August 23, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 23, 2021, Nov 19, 2018 (2 updates tracked since 2018).

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About Christina Phan Pa NPPES

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

CHRISTINA PHAN PA (NPI 1831668987) is an individual physician assistant in Castro Valley, California, licensed in California (PA56836) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Milpitas, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1831668987

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameCHRISTINA PHANCredential: PA

Location Address20642 JOHN DRCastro Valley, CA 94546-5103

Mailing Address20642 John DrCastro Valley, CA 94546-5103 · (888) 924-1036

Phone(888) 924-1036

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateNovember 19, 2018

Last NPPES UpdateAugust 23, 20212 updates tracked since enumeration

NPPES CertifiedAugust 23, 2021

✔ NPI 1831668987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · PA56836

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

20642 JOHN DR, Castro Valley, CA 94546

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Secondary Practice Location 1

Location 11001 S Main St Apt M309Milpitas, CA 95035-5367 · Phone (408) 712-8859

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

Christina Phan Pa 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 ID3779815964

PECOS Enrollment IDI20191021001731

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 8

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.

264 services246 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

104 services104 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

45 services45 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

35 services35 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

18 services18 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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.

HELEN WOOHEE YANG MD

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