DR. MONICA LYNNETTE G STOFFER M.D.
NPI 1255463089
Pediatrics in Tracy, CA

Active since March 09, 2007PECOS Enrolled
4598 S TRACY BLVD STE 110, TRACY, CA 95377(650) 497-8000 Get Directions Write a Review

NPPES record last updated: September 13, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Monica Lynnette G Stoffer M.d. NPPES

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

DR. MONICA LYNNETTE G STOFFER M.D. (NPI 1255463089) is an individual pediatrics provider in Tracy, California, licensed in California (A90458) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255463089
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MONICA LYNNETTE G STOFFERCredential: M.D.
Location Address4598 S TRACY BLVD STE 110Tracy, CA 95377-8117
Mailing Address4598 S Tracy Blvd Ste 110Tracy, CA 95377-8117 · (650) 497-8000
Sole ProprietorNo
Enumeration DateMarch 9, 2007
Last NPPES UpdateSeptember 13, 2018
✔ NPI 1255463089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A90458
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.
4598 S TRACY BLVD STE 110, Tracy, CA 95377

Other Names 1

Other Name (5)Monica Gomes

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 Lynnette G Stoffer 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 Stoffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 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 95377 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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 2

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

Pediatrics
4598 S TRACY BLVD STE 110
TRACY, CA 95377
Pediatrics
4598 S TRACY BLVD STE 110
TRACY, CA 95377

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 Stoffer's NPI number?

The NPI number for Monica Stoffer is 1255463089. It was assigned to this individual provider in the NPPES registry on March 9, 2007. The provider is also known as Monica Gomes.

Where is Monica Stoffer located?

Monica Stoffer practices at 4598 S Tracy Blvd Ste 110, Tracy, CA 95377. The listed phone number is (650) 497-8000.

What is Monica Stoffer's specialty?

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

Is Monica Stoffer enrolled in Medicare?

Yes. Monica Stoffer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Monica Stoffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monica Stoffer reassigns Medicare benefits to Lpch Medical Group Div Of Lucile (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 Stoffer'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 Stoffer was last updated on September 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.