CAREN MARIE PFIEFFER NP-C
NPI 1124469085
Nurse Practitioner - Family in Palo Alto, CA

Active since July 08, 2013PECOS Enrolled
195 PAGE MILL RD STE 103, PALO ALTO, CA 94306(888) 731-8994 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 15, 2026, May 30, 2025, Aug 30, 2023 and 3 more (6 updates tracked since 2015).

About Caren Marie Pfieffer Np-c NPPES

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

CAREN MARIE PFIEFFER NP-C (NPI 1124469085) is an individual family provider in Palo Alto, California, licensed in California (95008587) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1124469085
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCAREN MARIE PFIEFFERCredential: NP-C
Location Address195 PAGE MILL RD STE 103Palo Alto, CA 94306-2073
Mailing Address14355 Miranda WayLos Altos Hills, CA 94022-2032 · (888) 731-8994
Sole ProprietorNo
Enumeration DateJuly 8, 2013
Last NPPES UpdateMay 15, 20266 updates tracked since enumeration
NPPES CertifiedMay 15, 2026
NPI 1124469085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses Licensed in CA · 95008587 Licensed in AZ · AP5092 Licensed in DE · LG-0012577 Licensed in NC · 5019313
195 PAGE MILL RD STE 103, Palo Alto, CA 94306

Secondary Practice Locations 4

Location 115333 N Pima RdScottsdale, AZ 85260-2783 · Phone (888) 731-8994
Location 2421 Fayetteville St Ste 1100Raleigh, NC 27601-3000 · Phone (888) 731-8994
Location 31000 N West St Ste 1200Wilmington, DE 19801-1058 · Phone (888) 731-8994
Location 414355 Miranda WayLos Altos Hills, CA 94022-2032 · Phone (888) 731-8994

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 (PECOS)

Caren Marie Pfieffer Np-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94306 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier12 claims12 services$18.85 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Emergency Medicine
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Nurse Practitioner
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Obstetrics & Gynecology
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Nurse Practitioner (Women's Health)
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Nurse Practitioner (Family)
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Nurse Practitioner (Women's Health)
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306
Nurse Practitioner
195 PAGE MILL RD STE 103
PALO ALTO, CA 94306

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 Caren Pfieffer's NPI number?

The NPI number for Caren Pfieffer is 1124469085. It was assigned to this individual provider in the NPPES registry on July 8, 2013.

Where is Caren Pfieffer located?

Caren Pfieffer practices at 195 Page Mill Rd Ste 103, Palo Alto, CA 94306. The listed phone number is (888) 731-8994.

What is Caren Pfieffer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Caren Pfieffer enrolled in Medicare?

Yes. Caren Pfieffer is registered in the Medicare PECOS enrollment system.

What insurance does Caren Pfieffer accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of NC and Highmark Blue Cross Blue Shield Delaware list Caren Pfieffer 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 Caren Pfieffer was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.