MIKAELA TRISTAN MIDDLETON MD
NPI 1427636026
Emergency Medicine in Vallejo, CA

Q: What is Mikaela Middleton's NPI number?

The NPI number for Mikaela Middleton is 1427636026. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Q: What is Mikaela Middleton's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mikaela Middleton was last updated on August 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since April 01, 2021PECOS EnrolledAccepts Medicare Assignment

975 SERENO DR, VALLEJO, CA 94589(707) 651-1300 Get Directions Write a Review

NPPES record last updated: August 30, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 31, 2024, Jul 7, 2022, Apr 1, 2021 (3 updates tracked since 2021).

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About Mikaela Tristan Middleton Md NPPES

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

MIKAELA TRISTAN MIDDLETON MD (NPI 1427636026) is an individual emergency medicine provider in Vallejo, California, licensed in California (A194956) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2021).

NPPES Registry Identity

NPI1427636026

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameMIKAELA TRISTAN MIDDLETONCredential: MD

Location Address975 SERENO DRVallejo, CA 94589-2441

Mailing Address975 Sereno DrVallejo, CA 94589-2441 · (707) 651-1300

Phone(707) 651-1300

Sole ProprietorYes

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2021

Enumeration DateApril 1, 2021

Last NPPES UpdateAugust 30, 20253 updates tracked since enumeration

NPPES CertifiedAugust 30, 2025

✔ NPI 1427636026 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 · A194956

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.

975 SERENO DR, Vallejo, CA 94589

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mikaela Tristan Middleton 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 ID446799126

PECOS Enrollment IDI20240826002737

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.

Areas of Expertise CMS Part B claims

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

23 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94589 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

$98.85 typical visit price

range $65.02 – $191.95

Typical copayment $24.71 (range $16.25 – $47.98)

Most-billed visit code 99203

Established Patient

$113.05 typical visit price

range $21.86 – $157.69

Typical copayment $28.26 (range $5.46 – $39.42)

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.

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