Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PETER LO MD
NPI 1871097857
Surgery in Mountain View, CA

Active since March 22, 2018PECOS Enrolled
2500 HOSPITAL DR BLDG 15-1, MOUNTAIN VIEW, CA 94040(650) 282-3000 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 24, 2020, Jun 23, 2019, Mar 22, 2018 (3 updates tracked since 2018).

About Peter Lo Md NPPES

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

PETER LO MD (NPI 1871097857) is an individual surgery provider in Mountain View, California, licensed in California (A165386) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2018).

NPPES Registry Identity

NPI1871097857
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NamePETER LOCredential: MD
Location Address2500 HOSPITAL DR BLDG 15-1Mountain View, CA 94040-4106
Mailing Address2500 Hospital Dr Bldg 15-1Mountain View, CA 94040-4106
Sole ProprietorYes
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2018
Enumeration DateMarch 22, 2018
Last NPPES UpdateOctober 21, 20263 updates tracked since enumeration
NPPES CertifiedOctober 21, 2026
✔ NPI 1871097857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A165386
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2500 HOSPITAL DR BLDG 15-1, Mountain View, CA 94040

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

Peter Lo Md 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 ID7214476514
PECOS Enrollment IDI20240830001260
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 Peter Lo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Surgery
2500 HOSPITAL DR STE 15-1
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Shyamali Mallick Singhal MD Phd Inc
  • 7 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 94040 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.

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 Peter Lo's NPI number?

The NPI number for Peter Lo is 1871097857. It was assigned to this individual provider in the NPPES registry on March 22, 2018.

Where is Peter Lo located?

Peter Lo practices at 2500 Hospital Dr Bldg 15-1, Mountain View, CA 94040. The listed phone number is (650) 282-3000.

What is Peter Lo's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Peter Lo enrolled in Medicare?

Yes. Peter Lo 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 organization bills Medicare for Peter Lo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Lo reassigns Medicare benefits to Shyamali Mallick Singhal, M.D., Phd, Inc. (Mountain View, 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 Peter Lo'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 Peter Lo was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.