DR. CHRISTOPHER APOSTOL MASCARINAS M.D.
NPI 1952596744
Otolaryngology in Walnut Creek, CA

Q: What is Christopher Mascarinas's NPI number?

The NPI number for Christopher Mascarinas is 1952596744. It was assigned to this individual provider in the NPPES registry on September 13, 2007.

Q: What is Christopher Mascarinas's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Active since September 13, 2007PECOS EnrolledAccepts Medicare Assignment

1425 S MAIN ST, DEPARTMENT OF HEAD AND NECK SURGERY, WALNUT CREEK, CA 94596(925) 295-4100 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Christopher Apostol Mascarinas M.d. NPPES

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

DR. CHRISTOPHER APOSTOL MASCARINAS M.D. (NPI 1952596744) is an individual otolaryngology provider in Walnut Creek, California, licensed in California (A117137) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (2007).

NPPES Registry Identity

NPI1952596744

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. CHRISTOPHER APOSTOL MASCARINASCredential: M.D.

Location Address1425 S MAIN ST, DEPARTMENT OF HEAD AND NECK SURGERYWalnut Creek, CA 94596-5318

Mailing Address1425 S Main St, Department Of Head And Neck SurgeryWalnut Creek, CA 94596-5318 · (925) 295-4100

Phone(925) 295-4100

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 2007

Enumeration DateSeptember 13, 2007

Last NPPES UpdateDecember 15, 2021

✔ NPI 1952596744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · A117137

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

1425 S MAIN ST, Walnut Creek, CA 94596

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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

Dr. Christopher Apostol Mascarinas M.d. 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 ID4880844315

PECOS Enrollment IDI20121018000601

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 94596 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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.

BROOK ANDREW WOOLLEY M.D.

Emergency Medicine

1425 S MAIN ST, EMERGENCY MEDICINE DEPARTMENT
WALNUT CREEK, CA 94596

Contra Costa County (925) 295-5100

DR. THOMAS CRESANTE D.O.

Hospitalist

1425 S MAIN ST, KAISER PERMANENTE WALNUT CREEK ATTN: HBS DEPT
WALNUT CREEK, CA 94596

Contra Costa County (925) 295-4643

SARA WON MD

Obstetrics & Gynecology