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CAROLYN MARIE DREYER FNP
NPI 1386213734
Nurse Practitioner - Family in Fullerton, CA

Active since June 21, 2021PECOS Enrolled
3320 TOPAZ LN APT B21, FULLERTON, CA 92831(949) 291-2448 Get Directions Write a Review

NPPES record last updated: September 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 30, 2021, Jun 21, 2021 (2 updates tracked since 2021).

About Carolyn Marie Dreyer Fnp NPPES

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

CAROLYN MARIE DREYER FNP (NPI 1386213734) is an individual family provider in Fullerton, California, licensed in California (95013306) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Cerritos.

NPPES Registry Identity

NPI1386213734
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCAROLYN MARIE DREYERCredential: FNP
Location Address3320 TOPAZ LN APT B21Fullerton, CA 92831-2600
Mailing Address3320 Topaz Ln Apt B21Fullerton, CA 92831-2600 · (949) 291-2448
Phone(949) 291-2448
Sole ProprietorYes
Enumeration DateJune 21, 2021
Last NPPES UpdateSeptember 30, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2021
✔ NPI 1386213734 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
License✔ Licensed in CA · 95013306
3320 TOPAZ LN APT B21, Fullerton, CA 92831
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Secondary Practice Location 1

Location 121750 Ctr Ct Dr South, Suite 650Cerritos, CA 90703 · Phone (323) 628-8671

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carolyn Marie Dreyer Fnp 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 Carolyn Dreyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Raveen R. Arora, M.D.,f.A.C.C.
4.9 mi
Cardiovascular Disease
1712 W MEDICAL CENTER DR
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Raveen R. Arora MD Facc
  • 8 clinicians in this Medicare group
NPI 1598822488 (714) 491-7200

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
30 services26 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services28 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
18 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92831 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Carolyn Dreyer's NPI number?

The NPI number for Carolyn Dreyer is 1386213734. It was assigned to this individual provider in the NPPES registry on June 21, 2021.

Where is Carolyn Dreyer located?

Carolyn Dreyer practices at 3320 Topaz Ln Apt B21, Fullerton, CA 92831. The listed phone number is (949) 291-2448.

What is Carolyn Dreyer's specialty?

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

Is Carolyn Dreyer enrolled in Medicare?

Yes. Carolyn Dreyer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Carolyn Dreyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Dreyer reassigns Medicare benefits to Raveen R. Arora, M.D.,f.A.C.C. (Anaheim, 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 Carolyn Dreyer'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 Carolyn Dreyer was last updated on September 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.