DR. ERIC LEON TAM MD
NPI 1053739805
Internal Medicine - Hematology & Oncology in Los Angeles, CA

Q: What is Eric Tam's NPI number?

The NPI number for Eric Tam is 1053739805. It was assigned to this individual provider in the NPPES registry on March 30, 2014.

Q: What is Eric Tam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Eric Tam was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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 March 30, 2014PECOS EnrolledAccepts Medicare Assignment

1441 EASTLAKE AVE, LOS ANGELES, CA 90089(323) 865-3105 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 29, 2020, Aug 5, 2020, Jul 5, 2019 and 1 more (4 updates tracked since 2016).

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About Dr. Eric Leon Tam Md NPPES

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

DR. ERIC LEON TAM MD (NPI 1053739805) is an individual hematology & oncology provider in Los Angeles, California, licensed in California (A139987) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1053739805

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. ERIC LEON TAMCredential: MD

Location Address1441 EASTLAKE AVELos Angeles, CA 90089-2203

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 865-3105

Phone(323) 865-3105

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateMarch 30, 2014

Last NPPES UpdateNovember 27, 20234 updates tracked since enumeration

NPPES CertifiedAugust 29, 2020

✔ NPI 1053739805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · A139987

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal MedicineTaxonomy 207R00000X · License A139987 (CA)

1441 EASTLAKE AVE, Los Angeles, CA 90089

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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. Eric Leon Tam 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 ID6901227552

PECOS Enrollment IDI20200605002319

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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

194 services38 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

181 services39 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

90 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

70 services17 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

68 services23 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90089 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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. DANIELLE RENEE STERRENBERG M.D.

Internal Medicine (Hematology & Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-0563

EMILY ELIZABETH TALMICH PA-C

Physician Assistant (Surgical)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3700

DR. NEDA R BLACK M.D.

Dermatology

1441 EASTLAKE AVE, TOPPING TOWER, SUITE 3405
LOS ANGELES, CA 90089

Los Angeles County (818) 634-2514

STEPHANIE TIEMPO BITANGA NP-C

Nurse Practitioner (Acute Care)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3000

CARMEN LUCIA MARTINEZ MS,RD

Dietitian, Registered

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3893

DR. BURTON L. EISENBERG MD

Surgery (Surgical Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3535

DR. AKBAR ASHRAFI MD

Student in an Organized Health Care Education/Training Program

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (818) 877-5954

COURTNEY BARBARA RITCHIE MD

Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)

1441 EASTLAKE AVE, NOR 7416
LOS ANGELES, CA 90089

Los Angeles County (323) 442-5790

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Eric Tam's NPI number?

The NPI number for Eric Tam is 1053739805. It was assigned to this individual provider in the NPPES registry on March 30, 2014.

Where is Eric Tam located?

Eric Tam practices at 1441 Eastlake Ave, Los Angeles, CA 90089. The listed phone number is (323) 865-3105.

What is Eric Tam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Eric Tam enrolled in Medicare?

Yes. Eric Tam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Eric Tam was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.