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HUY PHAN M.D.
NPI 1609308733
Emergency Medicine in Sunnyvale, CA

Active since March 29, 2017PECOS EnrolledAccepts Medicare Assignment
80.58/100
CMS Quality Rating
906 COACHELLA AVE, SUNNYVALE, CA 94085(408) 565-5113 Get Directions Write a Review

NPPES record last updated: May 6, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 6, 2022, Aug 4, 2020, Mar 29, 2017 (3 updates tracked since 2017).

About Huy Phan M.d. NPPES

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

HUY PHAN M.D. (NPI 1609308733) is an individual emergency medicine provider in Sunnyvale, California, licensed in California (A169286) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Bsa Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1609308733
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameHUY PHANCredential: M.D.
Location Address906 COACHELLA AVESunnyvale, CA 94085-3435
Mailing Address906 Coachella AveSunnyvale, CA 94085-3435 · (408) 565-5113
Phone(408) 565-5113
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 29, 2017
Last NPPES UpdateMay 6, 20223 updates tracked since enumeration
NPPES CertifiedMay 6, 2022
✔ NPI 1609308733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A169286
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
906 COACHELLA AVE, Sunnyvale, CA 94085
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and more.Insurance ›

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

Huy Phan 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 ID5597189753
PECOS Enrollment IDI20200721001654
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 Reassignments

5

Medicare enrollment records show Huy Phan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Santa Clara
2.0 mi
Federally Qualified Health Center (FQHC)
660 S FAIR OAKS AVE
Sunnyvale, CA 94086
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1336326974 (408) 885-5000
Permanente Medical Group Inc
3.7 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000
Solano Gateway Medical Group Inc
60 mi
Emergency Medicine
1200 B GALE WILSON BLVD
Fairfield, CA 94533
  • Reassigned Medicare billing, California enrollment
  • 212 clinicians in this Medicare group
NPI 1952344293 (925) 924-1600
Hospitalist Medicine Physicians Of Texas - Houston, PLLC
1,157 mi
Emergency Medicine
2601 DIMMITT RD
Plainview, TX 79072
  • Reassigned Medicare billing, Texas enrollment
  • 217 clinicians in this Medicare group
NPI 1760028740 (806) 296-5531
Acs Primary Care Physicians Southwest, PA
1,420 mi
Emergency Medicine
1900 HOSPITAL BLVD
Gainesville, TX 76240
  • Reassigned Medicare billing, Texas enrollment
  • 1,193 clinicians in this Medicare group
NPI 1538101019 (925) 924-1600

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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
110 services109 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
40 services40 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
26 services26 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bsa Hospital

Acute Care Hospitals · Amarillo, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450231
Location1600 Wallace BlvdAmarillo, TX 79106 · Potter County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94085 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.

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.

80.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality67.43
Promoting Interoperability100
Improvement Activities40
Cost46.5

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 Huy Phan's NPI number?

The NPI number for Huy Phan is 1609308733. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Where is Huy Phan located?

Huy Phan practices at 906 Coachella Ave, Sunnyvale, CA 94085. The listed phone number is (408) 565-5113.

What is Huy Phan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Huy Phan enrolled in Medicare?

Yes. Huy Phan 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 organizations bill Medicare for Huy Phan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Huy Phan reassigns Medicare benefits to 5 organizations: County Of Santa Clara (Sunnyvale, CA), Permanente Medical Group Inc (Santa Clara, CA), Solano Gateway Medical Group Inc (Fairfield, CA), Hospitalist Medicine Physicians Of Texas - Houston, PLLC (Plainview, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, TX). Each 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 Huy Phan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Huy Phan accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company list Huy Phan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Huy Phan affiliated with any hospitals?

According to CMS data, Huy Phan is affiliated with Bsa Hospital.

When was this NPI record last updated?

The NPPES record for Huy Phan was last updated on May 6, 2022. 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.