MICHELLE SHEREEN ZANDIAN PA-C
NPI 1225226475
Physician Assistant in Stanford, CA

Active since October 11, 2007PECOS EnrolledAccepts Medicare Assignment
76.5/100
CMS Quality Rating
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Michelle Shereen Zandian Pa-c NPPES

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

MICHELLE SHEREEN ZANDIAN PA-C (NPI 1225226475) is an individual physician assistant in Stanford, California, licensed in California (PA 20349) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1225226475
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMICHELLE SHEREEN ZANDIANCredential: PA-C
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateOctober 11, 2007
Last NPPES UpdateJanuary 6, 2026
NPPES CertifiedJanuary 6, 2026
NPI 1225226475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · PA 20349
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.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 20349 (CA)
300 PASTEUR DR, Stanford, CA 94305

Other Identifiers 1

Medicaid1225226475NV

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

Michelle Shereen Zandian Pa-c 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 ID6709966211
PECOS Enrollment IDI20120718000193
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 2

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 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.
28 services25 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.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

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.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

Referred Medical Equipment & Supplies CMS DME claims 7

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
25 suppliers349 claims31,947 services$0.30 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers17 claims2,610 services$0.61 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
10 suppliers117 claims12,240 services$0.19 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers22 claims1,860 services$0.95 avg. paid by Medicare
Sirolimus, oral, 1 mg J7520
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier23 claims1,020 services$2.53 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
25 suppliers352 claims352 services$17.79 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 20

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

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Michelle Zandian's NPI number?

The NPI number for Michelle Zandian is 1225226475. It was assigned to this individual provider in the NPPES registry on October 11, 2007.

Where is Michelle Zandian located?

Michelle Zandian practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Michelle Zandian's specialty?

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

Is Michelle Zandian enrolled in Medicare?

Yes. Michelle Zandian 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 Michelle Zandian was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.