DR. CHRISTOPHER H. LEMASTER MD
NPI 1366563835
Emergency Medicine in Oakland, CA

Q: What is Christopher Lemaster's NPI number?

The NPI number for Christopher Lemaster is 1366563835. It was assigned to this individual provider in the NPPES registry on April 3, 2007.

Q: What is Christopher Lemaster's specialty?

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

Active since April 03, 2007PECOS EnrolledAccepts Medicare Assignment

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

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Dr. Christopher H. Lemaster Md NPPES

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

DR. CHRISTOPHER H. LEMASTER MD (NPI 1366563835) is an individual emergency medicine provider in Oakland, California, licensed in California (A111737) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2006).

NPPES Registry Identity

NPI1366563835

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. CHRISTOPHER H. LEMASTERCredential: MD

Location Address275 W MACARTHUR BLVDOakland, CA 94611-5641

Mailing Address275 W Macarthur BlvdOakland, CA 94611-5641 · (510) 752-1000

Phone(510) 752-1000

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2006

Enumeration DateApril 3, 2007

Last NPPES UpdateDecember 14, 2021

✔ NPI 1366563835 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 · A111737

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.

275 W MACARTHUR BLVD, Oakland, CA 94611

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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 H. Lemaster 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 ID42336851

PECOS Enrollment IDI20100929001421

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.

17 services17 patients

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

$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.

DR. ANNA C. MORGAN MD

Specialist