DR. MONICA VANESSA ENERIZ WIEMER M.D.
NPI 1982890117
Pediatrics in Stanford, CA

Active since September 20, 2007PECOS Enrolled
300 PASTEUR DR, SUMC - PEDS PHYSICIAN BILLING MC: 5530, STANFORD, CA 94305(650) 498-7391(650) 725-7888 Get Directions Write a Review

NPPES record last updated: July 6, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Monica Vanessa Eneriz Wiemer M.d. NPPES

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

DR. MONICA VANESSA ENERIZ WIEMER M.D. (NPI 1982890117) is an individual pediatrics provider in Stanford, California, licensed in California (A100931) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982890117
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MONICA VANESSA ENERIZ WIEMERCredential: M.D.
Location Address300 PASTEUR DR, SUMC - PEDS PHYSICIAN BILLING MC: 5530Stanford, CA 94305-2200
Mailing Address2350 W. El Camino Real, 2nd FloorMountain View, CA 94040-6203 · (408) 523-3640
Fax(650) 725-7888
Sole ProprietorNo
Enumeration DateSeptember 20, 2007
Last NPPES UpdateJuly 6, 2015
✔ NPI 1982890117 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A100931
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
300 PASTEUR DR, Stanford, CA 94305

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Monica Vanessa Eneriz Wiemer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Monica Eneriz Wiemer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
795 EL CAMINO REAL
Palo Alto, CA 94301
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Monica Eneriz Wiemer's NPI number?

The NPI number for Monica Eneriz Wiemer is 1982890117. It was assigned to this individual provider in the NPPES registry on September 20, 2007.

Where is Monica Eneriz Wiemer located?

Monica Eneriz Wiemer practices at 300 Pasteur Dr Sumc - Peds Physician Billing Mc: 5530, Stanford, CA 94305. The listed phone number is (650) 498-7391.

What is Monica Eneriz Wiemer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Monica Eneriz Wiemer enrolled in Medicare?

Yes. Monica Eneriz Wiemer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Monica Eneriz Wiemer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monica Eneriz Wiemer reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, CA). The 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 Monica Eneriz Wiemer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Monica Eneriz Wiemer was last updated on July 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.