CONSTANTINA L. MASTER MD
NPI 1194803999
Internal Medicine - Critical Care Medicine in Oakland, CA

Q: What is Constantina Master's NPI number?

The NPI number for Constantina Master is 1194803999. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Constantina Master's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment

280 W MACARTHUR BLVD, OAKLAND, CA 94611(510) 752-1000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Constantina L. Master Md NPPES

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

CONSTANTINA L. MASTER MD (NPI 1194803999) is an individual critical care medicine provider in Oakland, California, licensed in California (G71494) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1989).

NPPES Registry Identity

NPI1194803999

Entity TypeIndividualFemale

Primary Taxonomy207RC0200X

Provider Legal NameCONSTANTINA L. MASTERCredential: MD

Location Address280 W MACARTHUR BLVDOakland, CA 94611-5642

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262

Phone(510) 752-1000

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 1989

Enumeration DateNovember 1, 2006

Last NPPES UpdateDecember 13, 2021

✔ NPI 1194803999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in CA · G71494

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

280 W MACARTHUR BLVD, Oakland, CA 94611

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Other Identifiers 1

Medicaid00G714940CA

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

Constantina L. Master 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 ID8921295718

PECOS Enrollment IDI20101206000847

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 94611 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 20

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

JESSICA CHANG PHARM.D., APH

Pharmacist