DR. TAMER ADEL OTHMAN M.D.
NPI 1316471980
Internal Medicine - Hematology in Irvine, CA

Q: What is Tamer Othman's NPI number?

The NPI number for Tamer Othman is 1316471980. It was assigned to this individual provider in the NPPES registry on April 20, 2017.

Q: What is Tamer Othman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Q: When was this NPI record last updated?

The NPPES record for Tamer Othman was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 20, 2017PECOS EnrolledAccepts Medicare Assignment

1000 FIVEPOINT, IRVINE, CA 92618(800) 826-4673 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 3, 2025, Jul 1, 2021, Jul 8, 2020 and 2 more (5 updates tracked since 2017).

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About Dr. Tamer Adel Othman M.d. NPPES

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

DR. TAMER ADEL OTHMAN M.D. (NPI 1316471980) is an individual hematology provider in Irvine, California, licensed in California (A158324) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Huntington Beach, and is a graduate of Rush Medical College Of Rush University (2017).

NPPES Registry Identity

NPI1316471980

Entity TypeIndividualMale

Primary Taxonomy207RH0000X

Provider Legal NameDR. TAMER ADEL OTHMANCredential: M.D.

Location Address1000 FIVEPOINTIrvine, CA 92618-2621

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185

Phone(800) 826-4673

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 2017

Enumeration DateApril 20, 2017

Last NPPES UpdateNovember 3, 20255 updates tracked since enumeration

NPPES CertifiedNovember 3, 2025

✔ NPI 1316471980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0000X

License✔ Licensed in CA · A158324

Definition

An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License A158324 (CA)

1000 FIVEPOINT, Irvine, CA 92618

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Secondary Practice Location 1

Location 12100 Main St Ste 300Huntington Beach, CA 92648-2489 · Phone (714) 252-9415 · Fax (714) 963-8407

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. Tamer Adel Othman 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 ID6901261726

PECOS Enrollment IDI20230501002654

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 2

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.

Biopsy and aspiration of bone marrow sample for diagnosis 38222

A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.

14 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92618 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. ARNOLD KIM MD

Anesthesiology

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (888) 333-4673

DR. AMY RUTH COPELAND MD

Surgery (Surgical Oncology)

1000 FIVEPOINT, BLDG A
IRVINE, CA 92618

Orange County (949) 671-8000

MRS. AMBER HARDY RICKNER NP

Nurse Practitioner (Acute Care)

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (949) 671-4673

CAROLYN THOMPSON CHUDY DO

Physical Medicine & Rehabilitation (Sports Medicine)

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (800) 826-4673

DR. NGOC N. LE

Radiology (Vascular & Interventional Radiology)

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (800) 826-4673

DR. ANNIE CHEN MD

Internal Medicine (Pulmonary Disease)

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (800) 826-4673

DR. HOSSEIN MEHDIKHANI KARIMABAD M.D.

Radiology (Diagnostic Radiology)

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (847) 342-6842

DR. JUNG WOOK KIM MD

Internal Medicine (Pulmonary Disease)

1000 FIVEPOINT
IRVINE, CA 92618

Orange County (888) 333-4673

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 Tamer Othman's NPI number?

The NPI number for Tamer Othman is 1316471980. It was assigned to this individual provider in the NPPES registry on April 20, 2017.

Where is Tamer Othman located?

Tamer Othman practices at 1000 Fivepoint, Irvine, CA 92618. The listed phone number is (800) 826-4673.

What is Tamer Othman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Tamer Othman enrolled in Medicare?

Yes. Tamer Othman 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 Tamer Othman was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.