CHRISTINE CELESTE BRENNAN MD
NPI 1629657473
Internal Medicine - Sleep Medicine in Redwood City, CA

Q: What is Christine Brennan's NPI number?

The NPI number for Christine Brennan is 1629657473. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Q: What is Christine Brennan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Q: When was this NPI record last updated?

The NPPES record for Christine Brennan was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 07, 2021PECOS EnrolledAccepts Medicare Assignment

450 BROADWAY ST FL 2, REDWOOD CITY, CA 94063(507) 236-6016 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 11, 2026, Jul 3, 2024, Apr 9, 2021 (3 updates tracked since 2021).

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About Christine Celeste Brennan Md NPPES

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

CHRISTINE CELESTE BRENNAN MD (NPI 1629657473) is an individual sleep medicine provider in Redwood City, California, licensed in California (A195905) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of University Of Toledo College Of Medicine (2021).

NPPES Registry Identity

NPI1629657473

Entity TypeIndividualFemale

Primary Taxonomy207RS0012X

Provider Legal NameCHRISTINE CELESTE BRENNANCredential: MD

Location Address450 BROADWAY ST FL 2Redwood City, CA 94063-3132

Mailing Address1300 N 12th St Ste 508Phoenix, AZ 85006-2849 · (602) 839-3927 · Fax (602) 839-3927

Phone(507) 236-6016

Sole ProprietorNo

Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2021

Enumeration DateApril 7, 2021

Last NPPES UpdateMarch 11, 20263 updates tracked since enumeration

NPPES CertifiedMarch 11, 2026

✔ NPI 1629657473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in CA · A195905

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

450 BROADWAY ST FL 2, Redwood City, CA 94063

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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

Christine Celeste Brennan 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 ID7719389659

PECOS Enrollment IDI20251118002378

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Utah Hospitals And Clinics

Acute Care Hospitals · Salt Lake City, UT

5/5 CMS rating

OwnershipGovernment - State

CMS Certification Number460009

Location50 North Medical DriveSalt Lake City, UT 84132 · Salt Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94063 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

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 5

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

HOPE WANG MD

Student in an Organized Health Care Education/Training Program