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NICHOLAS PREWITT MD
NPI 1992445324
Emergency Medicine in Pleasanton, CA

Active since April 01, 2022PECOS Enrolled
5555 W LAS POSITAS BLVD, PLEASANTON, CA 94588(844) 301-0805 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 16, 2025, Jun 9, 2025 (2 updates tracked since 2025).

About Nicholas Prewitt Md NPPES

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

NICHOLAS PREWITT MD (NPI 1992445324) is an individual emergency medicine provider in Pleasanton, California, licensed in California (A200408) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992445324
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameNICHOLAS PREWITTCredential: MD
Location Address5555 W LAS POSITAS BLVDPleasanton, CA 94588-4000
Mailing AddressPo Box 920133Dallas, TX 75392-0133 · (877) 346-2211
Phone(844) 301-0805
Sole ProprietorNo
Enumeration DateApril 1, 2022
Last NPPES UpdateJune 16, 20252 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1992445324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A200408
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
5555 W LAS POSITAS BLVD, Pleasanton, CA 94588
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Prewitt Md 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 Nicholas Prewitt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pleasanton Emergency Medical Group
Same address
Emergency Medicine
5555 W LAS POSITAS BLVD
Pleasanton, CA 94588
  • Reassigned Medicare billing, California enrollment
  • 50 clinicians in this Medicare group
NPI 1285625509 (209) 342-2300

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 94588 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 20

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

DESMOND CHEE
Physician Assistant
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-6585
CYNTHIA SUE PENN-DUECKER MD
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (209) 342-2300
SIMON Y LEE M.D.
Pediatrics
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-3672
RYAN SCOTT CATES PA-C
Physician Assistant
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (813) 732-7842
DR. TONY G SHIU MD
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (209) 342-2300
CHARISMA KAUSHIK MD
Internal Medicine (Critical Care Medicine)
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-3418
JODI NAKAWATASE PT
Physical Therapist
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-3840
EDWARD Y KAN MD
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (209) 342-2300

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 Nicholas Prewitt's NPI number?

The NPI number for Nicholas Prewitt is 1992445324. It was assigned to this individual provider in the NPPES registry on April 1, 2022.

Where is Nicholas Prewitt located?

Nicholas Prewitt practices at 5555 W Las Positas Blvd, Pleasanton, CA 94588. The listed phone number is (844) 301-0805.

What is Nicholas Prewitt's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nicholas Prewitt enrolled in Medicare?

Yes. Nicholas Prewitt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicholas Prewitt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Prewitt reassigns Medicare benefits to Pleasanton Emergency Medical Group (Pleasanton, 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 Nicholas Prewitt'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 Nicholas Prewitt was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.