DR. CYNTHIA RAN PENG M.D.
NPI 1952789463
Emergency Medicine in Stanford, CA

Active since May 16, 2015PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: April 8, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 8, 2022, Jan 10, 2022, Jul 16, 2018 (3 updates tracked since 2018).

About Dr. Cynthia Ran Peng M.d. NPPES

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

DR. CYNTHIA RAN PENG M.D. (NPI 1952789463) is an individual emergency medicine provider in Stanford, California, licensed in California (A153848) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2015).

NPPES Registry Identity

NPI1952789463
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. CYNTHIA RAN PENGCredential: M.D.
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2015
Enumeration DateMay 16, 2015
Last NPPES UpdateApril 8, 20223 updates tracked since enumeration
NPPES CertifiedApril 8, 2022
NPI 1952789463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in CA · A153848 Licensed in PA · MT208458
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.
300 PASTEUR DR, Stanford, CA 94305

Other Names 1

Other Name (5)Cynthia Peng M.d.

Accepted Insurance

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

Dr. Cynthia Ran Peng 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 ID7214237528
PECOS Enrollment IDI20220421002232, I20250725001764
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.

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
$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.

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 Cynthia Peng's NPI number?

The NPI number for Cynthia Peng is 1952789463. It was assigned to this individual provider in the NPPES registry on May 16, 2015. The provider is also known as Cynthia Peng M.D..

Where is Cynthia Peng located?

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

What is Cynthia Peng's specialty?

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

Is Cynthia Peng enrolled in Medicare?

Yes. Cynthia Peng 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.

What insurance does Cynthia Peng accept?

Health plans from Molina Healthcare list Cynthia Peng 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.

When was this NPI record last updated?

The NPPES record for Cynthia Peng was last updated on April 8, 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.