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NANCY STOLL MD
NPI 1235186008
Family Medicine in Fremont, CA

Active since May 27, 2006PECOS EnrolledAccepts Medicare Assignment
2287 MOWRY AVE STE F, FREMONT, CA 94538(510) 248-1585(510) 739-1050 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 17, 2021, Aug 29, 2019, Nov 1, 2018 and 1 more (4 updates tracked since 2018).

About Nancy Stoll Md NPPES

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

NANCY STOLL MD (NPI 1235186008) is an individual family medicine provider in Fremont, California, licensed in California (C156887) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Newark, and is a graduate of Warren Alpert Medical School Of Brown University (2003).

NPPES Registry Identity

NPI1235186008
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameNANCY STOLLCredential: MD
Location Address2287 MOWRY AVE STE FFremont, CA 94538-1622
Mailing Address2287 Mowry Ave Ste FFremont, CA 94538-1622 · (501) 248-1585 · Fax (510) 739-1050
Phone(510) 248-1585
Fax(510) 739-1050
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2003
Enumeration DateMay 27, 2006
Last NPPES UpdateDecember 17, 20214 updates tracked since enumeration
✔ NPI 1235186008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · C156887
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2287 MOWRY AVE STE F, Fremont, CA 94538
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Secondary Practice Location 1

Location 16236 Thornton AveNewark, CA 94560-3732 · Phone (501) 248-1860 · Fax (510) 797-0236

Other Identifiers 2

Medicaid1235186008ME
Medicaid3074637NH

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

Nancy Stoll 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 ID446296719
PECOS Enrollment IDI20181221001259
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 Nancy Stoll reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
14 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

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 94538 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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

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

DR. DIANNE C MARTIN MD
Internal Medicine (Infectious Disease)
2287 MOWRY AVE STE F
FREMONT, CA 94538
Alameda County (510) 248-1585

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 Nancy Stoll's NPI number?

The NPI number for Nancy Stoll is 1235186008. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Nancy Stoll located?

Nancy Stoll practices at 2287 Mowry Ave Ste F, Fremont, CA 94538. The listed phone number is (510) 248-1585.

What is Nancy Stoll's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Nancy Stoll enrolled in Medicare?

Yes. Nancy Stoll 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 Nancy Stoll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Stoll reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 Nancy Stoll'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 Nancy Stoll was last updated on December 17, 2021. 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.